Descendant of Cathasach; watchful or vigilant
Kacen is a modern phonetic variation of the Irish surname Casey, which is derived from the Gaelic name Cathasach. It carries the historical meaning of being alert or watchful. While it shares sounds with names like Mason or Jason, it is a contemporary American invention in its current spelling.
About 109 boys were named Kacen in 2025.
US births per 5-year period, 1990–present (SSA data).
