| Abbreviation | Definition |
|---|---|
| UOI | Union of Ontario Indians |
| USIGS | United States Internet Genealogical Society |
| ux | spouse [Lat.] |
| UX | UXor (wife) |
| VF | Vita Fratris (in the lifetime of his brother) |
| VIZ | Videlicet (namely) |
| VM | Vita Matris (in the lifetime of his mother) |
| VP | Vita Patris (in the lifetime of his father) |
| VS | Versus |
| VS | Vita Sororis (in the lifetime of his sister) |
| VZ | Verch (daughter of ....) |
| W | Wife |
| W/O | Wife Of .... |
| WAFG | Wimmera Association for Genealogy |
| WBR | Well-Born Race |
| WF | Wife |
| WIT | Witness |
| WSGS | Wisconsin State Genealogical Society |
| X | Married |
| YGF | Yellowstone Genealogy Forum |