Name meaning & stats
Sidney
Sidney means “wide island”. 65,291 US babies since 1940, peak 1999.
What it means
“wide island”
Well documented
In US birth records
Peak year: 1999
65,291 US babies were named Sidney between 1940 and 2025.
Careers
Not enough notable people named Sidney (or its spelling family) to say anything reliable yet. That's a gap in the data, not the name.
Name twins (peaked around 1999)