Hair

* As a Scottish Gaelic and Irish surname, from ó héir (“descendant of Ír”), a personal name related to Old Irish sír (“long-lasting”), similar to Hare, O'Hare, Haire. * As an English surname, from the noun hair. * As a Scottish surname, variant of Ayre, Ayer. * As a Dutch and German surname, Americanized from Haar, from haar (“sandy ridge”) (from Proto-Germanic *harugaz) and from the adjective Haar (“hair”).