Sidney
Gender: Unisex
Meaning: Accomplished
Origin: Sanskrit
Popularity: Ranked #1327 in 2025 with 146 babies born.
History: Sidney peaked in the 2000s as a unisex name. Sidney Poitier broke racial barriers in Hollywood — the first Black man to win an Academy Award. Sidney means American courage in the face of prejudice.
Similar names: sid, siddh, siddhan, said, saida, saidee, saidi, saidy
Name length: 6 letters
How common is Sidney? About 1 in 13,261 babies born in 2025 were named Sidney, or roughly 0.7 per day in the United States.
Explore more baby names at BabyNa.me — 29,000+ names with meanings, origins, and popularity trends.
Loading name...
Frequently asked about Sidney
What does the name Sidney mean?
Sidney means “Accomplished” from Sanskrit roots.
What is the origin of the name Sidney?
Sidney has Sanskrit origin. The traditional meaning is “Accomplished”.
How popular is Sidney?
Sidney ranked #1323 in 2025 — given to 146 babies that year.
When was Sidney most popular?
Sidney peaked in 1918 with 1,879 babies registered that year.
Is Sidney a boy or girl name?
Sidney is used for both boys and girls. In the records, about 77% of Sidneys are boys and 23% are girls.
Is the name Sidney rising or falling in popularity?
Sidney has risen 188 spots in the rankings over the last 5 years — from #1511 in 2020 to #1323 in 2025.
How long has Sidney been recorded?
Sidney appears in birth records across 146 years — from 1880 through 2025.