Meaning Jack means 'protect', 'heel' or 'supplanter'. Ryan has a meaning of 'descendant of Rian'. It also means 'king' from the Irish word 'ri'. Origin of Jack-Ryan Celtic , Irish Popular Middle Names Pronunciation 🔊 Listen Jack-Ryan JHAEK RAY-ahn Similar Names Ryan Jack Robert Jackson Ryan-Lee Coley Lawson Trevor Kobey Jacquelin Bholanath Year by Year Popularity of Jack-Ryan