Sly - Name Meaning and Origin

The boy's name Sly \s-ly\ is a variant of Sylvester.

The baby name Sly sounds like Sal, Sol, Seely, Sela, Sill and Sully. Other similar baby names are Aly, Bly, Ely and Sky.

Sly is a very rare male first name and a very popular surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Sly. Click here to compare Sly with related baby names.