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Type Surname (from nickname)
Usage Irish
Other Forms FormsGiolláin, O'Gillen, O'Gillain, Gillan, Gillane, Gillen, Gillon, Gilland

Meaning & History

An anglicized form of Irish-Gaelic Ó Giolláin, from the word giolla, which means "lad".
Added 7/11/2022 by JazzyJ
Edited 12/21/2022 by Mike C and JazzyJ