Dark-haired or little dark one
Keirah is a modern phonetic spelling of the Irish name Ciara. It is derived from the Gaelic word 'ciar', which translates to 'dark' or 'black', originally used to describe someone with dark hair or eyes.
Less common today
Keirah isn't in the latest US Top 1000. It last peaked at #4,731 in 2013.
US births per 5-year period, 1990βpresent (SSA data).