What does Sly mean?
Associated with: woods (tree).
(male) Sily, Sny, ..
(female) Sli, Slow, ..
How popular is Sly?
Sly is an uncommonly occurring first name for men but a very prominent last name for both adults and children (#9325 out of 150436, Top 6%). (2000 U.S. Census)
Which version is better?with its source form and related boy names. The only popular variation form of Sly (unlisted) ranked in the Top 2000 is Sylvester (#1983 in recent rankings). Adoption of this relation of Sly reached its highest a century ago (#150) and is now significantly diminished, with Sylvester going out of style. Below is a graphed study of the history of the boy name Sly and related names. (2015 Birth Statistics)
Similar NamesRecommended names are Aly, Bly, Ely and Sky. Like Sly, these names are not frequently used.See names in meaning and etymology.