Kaitlin is a ♀ female name.
Kaitlin is a form of the Irish name Caitlin, which derived from the name Catherine. Catherine derived from the Greek name Aikaterine / Αἰκατερίνη, which derived from the Greek name Hekaterine / Ἑκατερινη and from Hekate / Ἑκάτη, the Greek goddess of magic.
Kaitlin means “each of the two” (from Greek “εκάτερος/hekateros”), “pure” (from Greek “καθαρός/katharos”), “torture” (from Greek “αἰκία/aikia”), “one hundred” (from Greek “hekaton/ἑκατόν”) or “far away” (from Greek “hekás/ἑκάς”).