Kira has more than one origin: in Russia it is the feminine form of Kir, from the Greek Kyros, a name of uncertain meaning usually explained as "lord" or "ruler", and in the English-speaking world it also serves as a phonetic spelling of Kyra and Keira. Its two crisp syllables work in almost any language. Kira has been in the US top 1000 all century, peaked at number 241 in 2005, held steady around number 380 for a decade and ranks number 385 in 2025.