Nolan is both a surname and a given name, of Irish origin from "Ó Nualláin", with alternate spellings including Nolen, Noland, Nolin, and Nalon.
Nolan is both a surname. This was of Irish origin from "Ó Nualláin". Nolan is a given name with alternate spellings including Nolen, Noland, Nolin, and Nalon. This was of Irish origin from "Ó Nualláin".