Counsel; descendant of Conn
A modern elaboration of the Irish surname Quinn, which is derived from the Gaelic 'Γ Cuinn' meaning descendant of Conn. The name Conn itself signifies wisdom, counsel, or chief. The addition of the '-ly' suffix follows the popular trend of creating rhythmic, adverbial-style names for girls.
Less common today
Quinnly isn't in the latest US Top 1000. It last peaked at #7,991 in 2021.
US births per 5-year period, 1990βpresent (SSA data).