What does Quincy mean?
Quincy \qu(in)-cy\ as a girls' name (also used more commonly as boys' name Quincy). Quincy's roots are Irish, Gaelic and Old French, and the meaning of Quincy is "counsel; estate of the fifth son". Quincy is a variation of Quinn (Irish, Gaelic): a Scottish and Irish surname occasionally used for girls. Quincy is also a derivative of Quincey (Old French): place name.
Quincy is an uncommon first name for females but a very popular surname for both adults and children (#14504 out of 88799, Top 16%). (2000 U.S. Census)
Shown below is a comparison of the usage of the girl name Quincy and affiliated names. The only prominent alternative form of Quincy (#unlisted) is Quinn (#126 the previous year). This girl name reached the peak of its popularity in the year 2013 and is somewhat less popular today. Quinn (#126) is the most chic name for newborns in this list. (Top 1000 Birth Names Statistics, 2014)
A recommended similar baby name is Quinby. Like Quincy, this name is not commonly used.