Casy

Irish

"brave in battle"

Casy Origin and Meaning

The name Casy is a girl's name.

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.