Casy

Casy is a feminine name with American origins, often considered a modern variant of Casey or Kasey. The name has a casual, friendly appeal with its short and sweet composition. Casey traditionally derives from an Irish surname meaning 'vigilant' or 'watchful,' and Casy maintains these symbolic connections while offering a slightly more unique spelling. The name gained modest recognition in the latter part of the 20th century but remains relatively uncommon. Casy embodies a youthful energy and approachability, making it appealing to parents seeking a name that feels contemporary yet simple. Its unisex qualities also add to its modern appeal.

Casy is also given to boys.

Pronounced KAY-see.

As of October 2026, Casy ranked #15473 in US births in 2000 SSA, peaked at #6426 in 1982.