Unknown; likely a modern invented name or variant
Caisen is a contemporary American invention, likely created by combining popular phonetic elements like 'Cai' and the 'sen' suffix. It may be intended as a variant of the Scandinavian name Larsen or the English name Cason, but it lacks a distinct historical etymology.
Less common today
Caisen isn't in the latest US Top 1000. It last peaked at #2,600 in 2025.
US births per 5-year period, 1990βpresent (SSA data).