From the woods; wild
Originally a short form of Sylvester, derived from the Latin word 'silva' meaning wood or forest. While it has evolved into a standalone nickname-style name, it retains its connection to nature and the outdoors.
About 10 boys were named Sly in 2025.
Frontman of Sly and the Family Stone
Common nickname for actor Sylvester Stallone
Protagonist raccoon and master thief · Sly Cooper video game series
US births per 5-year period, 1990–present (SSA data).
