Head, chief, or sense/intelligence
Cuinn is a modern spelling variant of the traditional Irish name Quinn. It is derived from the Old Irish surname Γ Cuinn, meaning descendant of Conn, where Conn signifies a leader or a person of high intelligence.
Less common today
Cuinn isn't in the latest US Top 1000. It last peaked at #7,313 in 2015.
US births per 5-year period, 1990βpresent (SSA data).