Namebino · Girl names · Boy names
Girl's name · #1878 in the US (2025) · 2000s wave
48% girls · 52% boys — Sidney is split almost evenly between girls and boys among recent newborns. Sidney →
Sidney reached its best rank, #258, in 1999 and ranked #1878 in 2025. Roughly 25,000 girls have been named Sidney since 1880. In all that time it has never once missed a year of the national records.
See where Sidney is more common.
Appears in 2020-2025 birth records of 13 states. See the full state-by-state map on this page.
See how Sidney ranks in other countries and regions.
#786 in Ecuador (2025) · #1,008 in Scotland (2025) · #1,311 in England & Wales (2025) · #1,694 in Canada (2024).
Among 1,135 notable people named Sidney:
Lawyers & judges appear 1.59× more often than among typical names — e.g. Sidney Powell, American attorney and conspiracy theorist.
Sidney is the less common spelling of Sydney — about 11% of babies given the name are written this way; Sydney itself ranked #348 in 2025.
Similar names: Sydney · Karlee · Shyla · Imani · Ally · Emilee
Browse more girl names — popularity, trends and eras for 5,700+ American names, free.