Save Type Surname (from location) Usage English Pronounced Pron. /ˈkɛl.si/ [key·simplify] Meaning & History From an English place name meaning "Cenel's island", from the Old English name Cenel "fierce" in combination with eg "island". Related NamesDetails Given Name DescendantsKelsea, Kelsey, Kelsi, Kelsie, Kelcey(English) Categories feelings, islands, landforms, nicknames, place names, strength