Save Type Surname (from nickname) Usage English, Irish Meaning & History From Old English wælisc meaning "foreigner, stranger, Celt". See All RelationsRelated Names VariantWelch(English) Other Languages & CulturesVlahović, Vlašić(Croatian) Oláh, Olasz(Hungarian) Wallace, Wallis(Scottish) Vlahović(Serbian) Vlašič(Slovene) Wallach(Yiddish) Entry updated January 10, 2017