Caisen

Caisen is a modern masculine name with possible Irish or American origins. It may be a variation of 'Cason' or 'Casey,' or potentially derived from the Irish surname 'Cassin.' The name has a contemporary feel with its distinctive spelling, marking it as part of the trend toward unique name variants. Caisen has gained modest popularity in the United States since the early 2000s, appealing to parents seeking uncommon names with a familiar sound. With its strong consonants and soft ending, the name strikes a balance between masculine strength and modern style. Though still relatively rare, Caisen exemplifies the current preference for names that feel both fresh and somewhat familiar.

Pronounced KAY-sun.

As of October 2026, Caisen ranked #2574 in US births in 2025 SSA.