| Abbreviation | Definition |
|---|---|
| sic | thus, as written |
| SIL | Sister-In-Law |
| SIL | Son-In-Law |
| SLI | Salt Lake Institute of Genealogy |
| SLIG | Salt Lake Institute of Genealogy |
| SoG | Society of Genealogists |
| sp | sine prole (without children) |
| sp.bl | special bail |
| sp.impl | special imparlance |
| SPF | Sine Prole Femina |
| spf | sine prole femina (without daughters) |
| SPIMPL | SPecial IMParLance |
| SPL | Sine Prole Legitima |
| spl | sine prole legitima (without legitimate issue) |
| SPM | Sine Prole Mascula |
| spm | sine prole mascula (without sons) |
| SPMS | Sine Prole Mascila Superstite |
| spms | sine prole mascila superstite (without surviving sons) |
| SPS | Sine Prole Superstite |
| SPS | Sine Prole Superstite (without surviving issue) |