Cyr Family History
Cyr Surname Meaning
French: from the personal name Cyr a vernacular shortened form of Latin Cyriacus (see Cyriac compare Cyriaque) a Christian saint's name.
The cult of St. Cyriacus (French name St. Cyr) a probably fictitious 4th-century infant saint said to have been martyred at Tarsus with his mother Julitta was particularly strong in medieval France.
Compare St. Cyr.
Alternatively an altered form of French Sire 1 ‘lord’.
Source: Dictionary of American Family Names 2nd edition, 2022
