64%RatingSave Gender Feminine Usage English Pronounced Pron. /tɑm.ə.ˈsi.nə/ [key·simplify] Meaning & HistoryExpand Links Medieval feminine form of Thomas. Related NamesFamily Tree·Details VariantsTamsen, Tamzen(English) Tamsin, Tamsyn(English (British)) DiminutiveTommieMasculine FormsThomas, Thom, Tom, TommyOther Languages & CulturesTomine(Norwegian) Tomasa(Spanish) PopularityDetails Last ranked #969 in 1932 United States People think this name isRate·Details classic mature formal upper class wholesome strong refined strange complex serious Categories civil rights, currently out of the US top 1000, diminutives, Dishonored characters, Disney characters, ends in -ina, family, feminine forms, history, medieval, movies, politics, siblings, twins, women's history