What if your ancestors had to prove they were free to marry before the wedding could take place? A Marriage Investigation File may contain much more than a simple marriage record. Created when a religious authority needed to examine a proposed marriage more closely, the file could include statements from the bride and groom, witness testimony, information about previous marriages, family relationships, religious affiliation, and supporting documents. The investigation existed because there was a question to answer—and that question can be genealogical gold.
Introduction
A Marriage Investigation File is a collection of documents created when a church or religious authority investigated whether a proposed marriage could legitimately proceed.
These records are particularly associated with Catholic marriage practices, although terminology, procedures, and surviving records vary considerably by place and historical period.
Most marriages did not necessarily produce an extensive investigation file.
But when questions arose about the couple’s eligibility to marry, church officials might need additional evidence before approving the marriage.
The resulting file might document questions involving:
- Previous marriages
- Death of a previous spouse
- Family relationships between the couple
- Religious differences
- Baptismal status
- Residence
- Identity
- Freedom to marry
- Other canonical impediments
For genealogists, the important point is simple:
Someone had a question about this marriage, and records may have been created to answer it.
What Might a Marriage Investigation File Contain?
There is no single standard file applicable to every place and period.
Depending upon the circumstances, surviving material might include:
- Names of the bride and groom
- Ages or dates of birth
- Birthplaces
- Residences
- Parents’ names
- Baptismal information
- Religious affiliation
- Previous spouses
- Information concerning previous marriages
- Death information for a previous spouse
- Statements from the bride and groom
- Witness testimony
- Affidavits
- Correspondence
- Baptismal certificates
- Marriage records
- Death records
- Information about family relationships
- Requests for dispensations
- Decisions by church authorities
- Dates associated with the proposed marriage
A complicated case might produce a substantial file.
A simpler investigation might leave only a few documents or a notation in another church record.
Why Was the Marriage Investigated?
This should be the researcher’s first question.
What problem was the church trying to resolve?
Perhaps the groom had been married before.
Perhaps the bride’s baptism could not easily be documented.
Perhaps the couple were related.
Perhaps one person belonged to a different religious tradition.
Perhaps one had recently arrived from another parish and church officials needed evidence that no previous marriage prevented the proposed one.
Whatever the reason, the investigation can point directly toward another part of the couple’s lives.
Instead of viewing the investigation as an administrative obstacle, view it as a genealogical signpost.
Proving Freedom to Marry
One important question could be whether each person was actually free to marry.
A prospective spouse who had lived elsewhere might need to establish that there was no existing marriage.
That could require testimony or documentation concerning earlier residences and marital history.
For genealogists, this can be extremely valuable.
A statement that someone had previously lived in another town or parish immediately provides another place to investigate.
If a previous marriage existed, the file might identify:
- Previous spouse
- Marriage location
- Marriage date
- Death of the previous spouse
- Other circumstances affecting the earlier marriage
A question about the present marriage can therefore uncover an earlier one.
Previous Marriages Can Create a Paper Trail
Widows and widowers might need to establish that their previous spouse had died.
That could result in a death or burial record being referenced or included in the file.
Other previous-marriage situations could require more extensive investigation.
Don’t simply extract the name of the earlier spouse.
Follow that marriage.
Search for:
- Original marriage record
- Children from the marriage
- Death or burial of the previous spouse
- Probate records
- Church records
- Court records
The investigation file may be the document that alerts you to an entire earlier family.
Family Relationships May Need to Be Examined
If the bride and groom were related, church officials might need to determine the exact relationship.
That can overlap with the records associated with a Marriage Dispensation.
The investigation could identify:
- Parents
- Grandparents
- Common ancestors
- Degree of relationship
- Witnesses knowledgeable about the families
When this occurs, reconstruct the relationship described in the records.
Don’t merely copy a statement that the couple was related.
Build both lines backward toward the alleged common ancestor and verify each generation using other records.
An impediment to their marriage may become evidence for your family tree.
Religious Differences Can Reveal Two Sets of Records
If the bride and groom had different religious backgrounds, the investigation may reveal information that changes where you search.
Suppose one person was Catholic and the other was not.
The non-Catholic spouse’s birth, baptism, earlier marriage, or family records may be located in a completely different religious collection.
This is an important reminder:
Don’t assume that both sides of a married couple left records in the same church.
A marriage investigation file may explicitly tell you otherwise.
Baptismal Evidence Can Be Extremely Valuable
Church authorities might need evidence concerning baptism.
That could produce a baptismal certificate, transcript, notation, or reference to another parish.
For genealogists, this can provide:
- Baptism date
- Birth date
- Parents
- Birthplace
- Parish
- Earlier residence
If the baptism occurred somewhere other than the place of marriage, you have acquired another geographic lead.
Follow it.
The original baptismal register may contain additional information not reproduced in the marriage investigation file.
Witnesses May Know the Couple’s Earlier History
Witnesses can be particularly important when documentary evidence was incomplete.
Someone might be asked to confirm a person’s identity, residence, marital status, family relationship, or previous history.
Research those witnesses.
They might be:
- Parents
- Siblings
- Cousins
- Friends
- Neighbors
- Fellow parishioners
- People from an earlier community
Ask the familiar Documents Abound question:
Who is this person, and why were they qualified to provide this information?
An unfamiliar witness may be the link connecting your ancestor to an earlier residence or another branch of the family.
Statements from the Bride and Groom Can Be Especially Valuable
If the file contains testimony or statements from the prospective spouses themselves, pay close attention.
Unlike information supplied years later by descendants, these statements may have been made by the people directly involved.
They might discuss:
- Previous residences
- Previous marriages
- Family relationships
- Religious history
- Personal circumstances
- How long they had lived in the parish
Of course, even first-person testimony should be evaluated rather than automatically accepted as perfect.
People could be mistaken, incomplete, or motivated to present their circumstances in a particular way.
But knowing who actually supplied the information is extremely useful when evaluating genealogical evidence.
The Supporting Documents May Be Better Than the Final Decision
The eventual result of the investigation might be very simple:
Marriage approved.
For genealogists, that may be the least interesting part of the file.
The valuable material can be everything collected before that decision:
- Testimony
- Certificates
- Letters
- Affidavits
- Family relationships
- Previous marriage information
- Residence information
Don’t skip directly to the conclusion.
The church wanted an answer. The genealogist wants the evidence that produced the answer.
Look for Original Records Mentioned in the File
If the investigation contains a copy, extract, or reference to another document, try to locate the original.
For example, the file might mention:
- Baptism in another parish
- Previous marriage
- Burial of a deceased spouse
- Dispensation
- Civil marriage record
The version contained in the investigation file may be abbreviated.
The original register or certificate might contain more information.
Treat every referenced document as another research assignment.
Marriage Investigation File vs. Marriage Dispensation
These records can overlap, but they are not necessarily the same thing.
A Marriage Investigation File contains evidence gathered to examine questions surrounding a proposed marriage.
A Marriage Dispensation grants permission for a marriage to proceed despite a particular impediment that would otherwise prevent it.
An investigation might result in a request for or granting of a dispensation.
But the investigation can be broader.
A useful way to think about it is:
Investigation: What are the facts?
Dispensation: Given those facts, may this marriage proceed despite the impediment?
When one exists, look for the other.
The File Does Not Prove the Marriage Occurred
Once again, we encounter one of the major themes running through Marriage Documents Abound.
A couple could complete an investigation and receive approval to marry without the marriage ultimately taking place.
Therefore, look for evidence of the actual ceremony:
- Church marriage register
- Civil marriage record
- Marriage certificate
- Marriage return
- Newspaper announcement
Permission or approval to marry is not proof of marriage.
Keep All the Dates Separate
An investigation file may contain numerous dates:
- Birth
- Baptism
- Previous marriage
- Previous spouse’s death
- Beginning of investigation
- Witness testimony
- Dispensation request
- Approval
- Proposed marriage
- Actual marriage
Do not assume the most prominent date on a document is the wedding date.
Create a timeline.
That timeline can help you understand both the investigation and the couple’s history.
The File May Be Somewhere Other Than the Parish
A local parish might have initiated or participated in the investigation without retaining the complete file.
Documents could have been sent to a:
- Diocese
- Archdiocese
- Ecclesiastical tribunal
- Chancery
- Other church authority
Historical files might later have been transferred to an archive.
If the parish register mentions an investigation but the parish does not possess the supporting papers, determine which higher church authority had jurisdiction at the time.
Then investigate its archives.
Terminology Can Vary
Don’t expect every repository to call these records Marriage Investigation Files.
Depending upon place, language, religion, and period, related records may be described using terms associated with:
- Matrimonial investigations
- Pre-marriage investigations
- Marriage examinations
- Matrimonial cases
- Marriage impediments
- Freedom to marry
- Marriage petitions
- Dispensations
- Matrimonial inquiries
The records may also be filed within broader marriage or diocesan collections.
Read archival descriptions carefully rather than searching for only one exact phrase.
Where Might You Find Marriage Investigation Files?
Depending upon the location and historical period, records may survive in:
- Parish archives
- Diocesan archives
- Archdiocesan archives
- Church tribunals
- Chancery records
- Religious archives
- State or national archives holding church collections
- University manuscript collections
- Genealogical and historical society collections
- Digitized church-record collections
Some files may have access restrictions, particularly more recent records.
Older historical files may be available even when they have never been digitized.
If you find a notation in a marriage register suggesting that an investigation occurred, contact the appropriate archive and ask whether the underlying documentation survives.
Follow the Problem
A Marriage Investigation File exists because someone believed there was a question that needed answering.
That gives genealogists a particularly useful research strategy:
Follow the problem.
If the problem involved a previous marriage, investigate that marriage.
If it involved a deceased spouse, investigate the death.
If it involved consanguinity, reconstruct the family relationship.
If it involved baptism, find the original baptismal record.
If it involved residence elsewhere, investigate that community.
The administrative obstacle standing between your ancestors and their marriage may be exactly what created the records you need to learn more about them.
Key Takeaways
- A Marriage Investigation File contains records created to examine questions concerning a proposed marriage.
- Files may include statements, testimony, certificates, correspondence, and supporting documents.
- Always determine why the marriage required investigation. The reason itself may provide an important genealogical clue.
- Questions about freedom to marry can reveal previous residences and marriages.
- Previous marriages may lead to earlier spouses, children, death records, and probate records.
- Family relationships investigated because of consanguinity can help reconstruct earlier generations.
- Religious differences may point researchers toward an entirely different set of church records for one spouse.
- Baptismal evidence can identify parents, birthplaces, and earlier parishes.
- Research witnesses and determine why they were able to provide information about the couple.
- Supporting documents may contain far more genealogical information than the final decision.
- Follow every original record referenced in the investigation.
- A Marriage Investigation File and Marriage Dispensation can be related, but they are not necessarily the same record.
- Approval to marry does not prove that the marriage actually occurred.
- Keep investigation, approval, dispensation, and marriage dates separate.
- The complete file may survive in diocesan or other church archives rather than the local parish.
- Follow the problem that caused the investigation—it may lead directly to the records you’ve been trying to find.