Spouse(s): Jenny (wife)
Detective Kevin Ryan also works alongside Javier Esposito as part of Beckett's team. Both he and Esposito carry Glock 17s as their sidearms. He and Esposito regularly tease Beckett, but they are incredibly protective of her and ultimately treat her like one of the guys. The character was a late addition to the show, as the original presentation pilot was only 37 minutes long. Esposito and him develop a good friendship with Castle, and usually team up with him on teasing Beckett. Beckett had once described them (Esposito, Ryan and Castle) as 'Sex and The City with male roles'.
Ryan is from Irish descent as we learn when he is in the middle of a "Leprechaun Toss" contest in Season 3. He spent twelve years in a Catholic School.