Keiry is a modern spelling used mostly in Spanish-speaking families, of uncertain origin; it is usually explained as a form of Kerry, the Irish county name meaning "people of Ciar" or "the dark one", or as a respelling of the Japanese-sounding Kairi. It is written the way it sounds in Spanish and sits alongside names like Keila and Yareli. In the United States Keiry ranked number 3139 in 2000, peaked at number 1836 in 2021 and stands at number 2556 in 2025.