Kilian Family History
Kilian Name Meaning
German Dutch Polish and Sorbian; Slovak (also Kilián); Czech (Kilián): from German Dutch Polish Upper Sorbian Slovak and Czech adaptations of the Irish personal name Cillín (see Killeen ). Saint Kilian was a 7th-century Irish missionary to Franconia and Thuringia martyred c. 698 at Würzburg (he is the patron saint of this German city) hence the popularity of this personal name in medieval central Europe. Germanized or Americanized form of Polish and Sorbian Kilijan: from the Polish and Lower Sorbian personal name Kilijan of Irish origin (see 1 above).
Source: Dictionary of American Family Names 2nd edition, 2022