There are many acroymns and [[Abbreviations Found in Genealogy Records|abbreviated words]] unique to genealogy and family history research that may not be easily found in any other industry's terminology. Here are some of the more commonly used acronyms and abbreviations: <br>
:About or Circa; an
estimated date, e.g., "Abt. 1745"
:After. The date is known to be later than
another dated event, e.g., "Aft. 1900."
:Births, Marriages, and Deaths; sometimes written BDM.
:[http://www.dupinternational.org/ International Society Daughters of the Utah Pioneers]; Lineage society for female descendants of early Utah settlers. Sponsors Pioneer Memorial Museum, and Pioneer Histories Digitization Project.
:Temple Records Index Bureau, a card-file index system maintained from 1927-1970 containing references to births, christenings and marriages for deceased (dating from 1500) and living persons (to 1970). The TIB was replaced by the CFI (later the [[International Genealogical Index (IGI)|IGI]]).
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