Save Gender Masculine Usage French Pronounced Pron. KLO-TEHR [key·IPA] Meaning & HistoryExpand Links French form of Lothar. Related NamesFamily Tree·Details Other Languages & CulturesLothar(German) Chlothar, Hlothar, Lothar, Chlodochar(Germanic) Lothair(History) Lotario(Italian) Hlūdaharjaz(Old Germanic) PopularityDetails Last ranked #494 in 1965 France Name DaysName Days? France: April 7