Kaira is a modern name of uncertain origin, usually explained as a variant of Kyra, from the Greek kyria, "lady", or of Keira, from the Irish ciar, "dark-haired". In India it is also used as a name in its own right, which has helped it among Indian American families. In the United States Kaira ranked number 2114 in 2000, climbed to a best rank of number 1252 in 2019 and stands at number 1424 in 2025.