What does Stacy mean?
Stacy /sta-cy/ [2 sylls.] as a boys' name (also used as girls' name Stacy) is pronounced STAY-see. It is of Greek origin, and the meaning of Stacy is "fruitful". Short form of Eustace. Actor Stacy Keach.
How popular is Stacy?
Stacy is a very prominent first name for men (#517 out of 1220, Top 42%) and also a very prominent last name for both adults and children (#1782 out of 150436, Top 1%). (2000 U.S. Census)
Shown below is the birth name popularity of Stacy for boys. Stacy was first listed in 1890-1899 and reached its highest position of #277 in the U.S. in the 1970s, but is not in the Top 1000 at the moment. (2014 Birth Statistics)
The only other popular varying form of Stacy rated in the Top 1000 is Stacey. Forms like Eustasius are uncommon. These boy names were at the apex of their popularity during the years 1960-1969 (usage of 0.6925%) and are now significantly less popular, with the versions Stacey and Stacy becoming less fashionable. Below is a graphed analysis of the popularity of the boy name Stacy and associated names. (2014 Birth Statistics)