| Abbreviation | Definition |
|---|---|
| NAP | North American Patriarchy |
| Nat. | Naturalized |
| nbr | neighbor |
| ND | Nagelaten Dogter |
| nee | born ( [Lat.] ) |
| nee | maiden name (née [Fr.]) |
| NEHGS | New England Historic Genealogical Society |
| NG | Not Given |
| NGSQ | National Genealogical Society Quarterly |
| NIGR | National Institute on Genealogical Research (National Archives) |
| NIGRAA | National Institute on Genealogical Research Alumni Association |
| NIGS | National Institute for Genealogical Studies (Toronto) |
| NMW | Not MY Wife |
| nn | nomen nescio (not named; name unknown |
| NOK | Next Of Kin |
| NR | no record |
| NSDAR | National Society of the Daughters of the American Revolution |
| NSSAR | National Society of the Sons of the American Revolution |
| nunc | nuncupative |
| NYGBR | New York Genealogical and Biographical Record |