Below is a list of the common abbreviations used in Genealogy, on Genealogy Trek and on other Genealogy web sites. Genealogy research sometimes leads to poor conclusions when genealogy hobbyists use a modern interpretation of an abbreviation whose meaning has changed.
| Abbreviation | Meaning |
|---|---|
| 7ber | October on Julian Calender |
| 8ber | November on Julian Calender |
| 9ber | December on Julian Calender |
| A | acres |
| AA | Anne Arundel County, Maryland |
| abt | about |
| Acct | Account |
| aka | also known as |
| Apr | April |
| Aug | August |
| Capt. | Captain |
| Co. | County |
| Col. | Colonel |
| Balto Co | Baltimore County, Maryland |
| Dec | December |
| Feb | February |
| FHL | Family History Library, Salt Lake City |
| FSL | FamilySearch Library |
| Gen. | General |
| G.M. | Grist Mill on old Plat Maps |
| Inv | Inventory |
| Jan | January |
| Jul | July |
| Jun | June |
| Lt. | Lieutenant |
| MA | Massachusetts |
| Mar | March |
| MD | Maryland |
| MLR | Maryland Land Records |
| MSA | Maryland State Archives |
| NARA | National Archives and Records Administration |
| MNU | Maiden Name Unknown |
| Nov | November |
| Oct | October |
| pg | page |
| PG Co | Prince George's County, Maryland |
| Sep | September |
| S.H. | School House on old Plat Maps |
| Twp. | Township |
| Vol | Volume |
