Caitlinn

Caitlinn is a feminine name that represents one of many spelling variations of Caitlin, itself an Anglicized form of the Irish name Caitlín, a form of Katherine. The ultimate origin traces back to the Greek name Aikaterine, with various meanings proposed including 'pure' or possibly connections to the Greek goddess Hecate. This particular spelling with double 'n' gives the familiar name a distinctive appearance while maintaining its traditional pronunciation. Caitlinn peaked in popularity during the 1980s and 1990s when various forms of Caitlin were widely used. The name carries Celtic heritage and cultural connections to Ireland, making it appealing to those with Irish ancestry or appreciation for Celtic culture. While less common than spellings like Caitlin or Kaitlyn, Caitlinn offers a balance of recognizability and uniqueness.

Pronounced KAYT-lin.

As of October 2026, Caitlinn ranked #13726 in US births in 2010 SSA, peaked at #5983 in 2000.