Genealogical research involves a wide range of specialized terms related to records, methodology, and family structure. Understanding these terms helps researchers interpret sources, evaluate evidence, and build accurate family histories.
| Term | Definition |
| Abstract | Summary of original record. |
| Ahnentafel | Numbering system for listing ancestors. |
| Ancestry | Line of descent from ancestors. |
| Archive | Repository preserving historical records. |
| Baptism | Religious ceremony marking entry into church. |
| Bibliography | List of sources used in research. |
| Birth Record | Document recording birth details. |
| Census | Population count with household details. |
| Citation | Reference to a source. |
| Collateral Line | Relatives not in direct line (siblings, cousins). |
| Compilation | Assembled information from multiple sources. |
| Consanguinity | Relationship by blood. |
| Descendant | Person descending from ancestor. |
| Direct Line | Parent-to-child lineage. |
| Documentation | Supporting records and evidence. |
| GEDCOM | Standard file format for genealogical data exchange. |
| Generation | Level within family tree. |
| Genealogy | Study of family history. |
| Genealogist | Person researching family history. |
| Index | Finding aid to locate records. |
| Lineage | Direct descent from ancestor. |
| Maiden Name | Birth surname of a woman. |
| Manuscript | Unpublished written document. |
| Marriage Record | Document recording marriage. |
| Metadata | Data describing a record or dataset. |
| Migration | Movement from one place to another. |
| Naturalization | Process of becoming a citizen. |
| Obituary | Published notice of death. |
| Original Record | Document created at time of event. |
| Parish | Church administrative district. |
| Pedigree | Chart showing direct ancestors. |
| Pedigree Chart | Diagram of ancestral lines. |
| Primary Information | Information from direct source. |
| Probate | Legal process of settling estate. |
| Provenance | Origin or source history of record. |
| Repository | Place where records are stored. |
| Residence | Place where a person lives. |
| Surname | Family name. |
| Transcript | Copy of original record. |
| Vital Records | Birth, marriage, death records. |
| Will | Legal document distributing property after death. |
| Witness | Person observing or attesting to event. |
| Research Log | Record of searches conducted. |
| Evidence | Information used to support conclusions. |
| Indirect Evidence | Information requiring interpretation. |
| Direct Evidence | Information answering a question directly. |
| Negative Evidence | Absence of expected information. |
| Source | Record or document used in research. |
| Secondary Information | Information based on memory or secondhand knowledge. |
| Timeline | Chronological listing of events. |
| Family Group Sheet | Document summarizing family unit. |
| DNA Testing | Genetic analysis used in genealogy. |
| Autosomal DNA | DNA inherited from both parents. |
| Y-DNA | DNA passed along paternal line. |
| mtDNA | DNA passed through maternal line. |
| Brick Wall | Research problem difficult to solve. |
| Variant Spelling | Alternate spelling of name. |
| Patronymic | Naming system based on father’s name. |
| Matronymic | Naming system based on mother’s name. |
| Enumeration | Process of recording population. |
| Enumerator | Person collecting census data. |
| Extraction | Removing key details from record. |
| Finding Aid | Tool helping locate records. |
| Chain Migration | Group movement of related individuals. |
| Cluster Research | Studying neighbors and associates. |
| Proof | Conclusion supported by evidence. |
| Hypothesis | Proposed explanation requiring testing. |
| Correlation | Comparing multiple sources for consistency. |
| Standardization | Consistent formatting of data. |
If you’d like this information in a clean, printable, and well-organized reference format, this topic is also included in the Quicksheet Vault. The Vault is designed for researchers who prefer working tools they can save, print, and reuse — whether that means building a personal binder of key resources or keeping reliable references close at hand. You can learn more about the Quicksheet Vault HERE