Likely a modern blend or variant of Makena
Mikena is a contemporary American name, likely created as a phonetic variant of the Kikuyu name Makena or a blend of names like Michaela and Kenna. While its specific etymology is modern, it is often associated with the meaning 'happy one' through its connection to East African roots.
Less common today
Mikena isn't in the latest US Top 1000. It last peaked at #12,335 in 1999.
US births per 5-year period, 1990βpresent (SSA data).