Possession or little ancient one
Keynan is a modern variant of the Hebrew name Kenan, meaning 'possession' or 'acquisition'. It is also sometimes associated with the Irish name Keenan, which translates to 'little ancient one'. The name has gained some traction as a contemporary, phonetic spelling of these traditional roots.
Less common today
Keynan isn't in the latest US Top 1000. It last peaked at #3,538 in 1997.
Professional baseball pitcher
Australian speedway rider
US births per 5-year period, 1990βpresent (SSA data).