53%RatingSave Gender Feminine Usage English (Modern) Pronounced Pron. SLON [key] Expand Name LinksMeaning & History From an Irish surname which was derived from an Anglicized form of the given name SLUAGHADHÁN. See Popularity DetailPopularity Last ranked #72 in 2017 Canada (BC) Last ranked #220 in 2017 United States Categories celebrity babies, surnames Entry updated May 31, 2018