Genealogy Abbreviations and Acronyms
- FGSPFellow, Genealogical Society of Pennsylvania
- FHCFamily History Centre
- FHCFamily History Center
- FHCFamily History Centers
- FHCSFamily History Centers
- FHISOFamily History Information Standards Organisation
- FHLFamily History Library
- FHLCFamily History Library Catalog
- FHLCFamily History Library Catalogue
- FHSFamily History Society
- FHSCFamily History Society of Cheshire
- FHSNLFamily History Society of Newfoundland and Labrador
- FIDFidelity
- FIDELFidelity
- FIGRSFellow of The Irish Genealogical Research Society
- FILFather-In-Law
- FIRFully Identical Region
- FLFamily Lines
- FLflourit (flourished, living)
- FLWGFollowing
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