Kevin () is the anglicized form of the Irish masculine given name Caoimhín (Irish pronunciation: [ˈkiːvʲiːnʲ]; Middle Irish: Caoimhghín [ˈkəiṽʲʝiːnʲ]; Old Irish: Cóemgein [ˈkoiṽʲɣʲinʲ]; Latinized as Coemgenus). It is composed of caomh "dear; noble"; Old Irish cóem and -gin ("birth"; Old Irish gein). The variant Kevan is anglicised from Caoimheán, an Irish diminutive form. The feminine version of the name is Caoimhe (anglicised as Keeva or Kweeva). History. Saint Kevin (d. 618) founded Glendalough abbey in the Kingdom of Leinster in 6th-century Ireland.
https://en.wikipedia.org/wiki/Kevin