Acronym |
Definition |
| 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 |
| 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 |
| NYGBS | New York Genealogical and Biographical Society |
| NZSG | New Zealand Society of Genealogists |
| O/S | Opposite Side |
| OB | OBdormio (died) |
| ob. | died (obit [Lat.]) |
| occ. | occupation |
| OFPA | Order of the Founders and Patriots of America |
| OGF | Östgota Genealogiska Forening |
| OS | Old Style |
| OSP | Obiit Sine Prole |
| P | Post- |
| PA | Papers submitted (e.g., naturalization papers) |
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