Sydney: Name Meaning, Origin & Usage

Meaning: "From Saint Denis" (French: Saint-Denis).

Etymology

• Old French: Saint Denis → Sideny → Sidney → Sydney.
• Saint Denis: 3rd-century martyr, patron saint of France. Name means "of Dionysus" (Greek god of wine/ecstasy).
• Place Name Transfer: Sidney/Sydney became a surname for families from places so named (e.g., Sydney, Sussex; Sydney, Kent). Then a given name.

Gender & Popularity

• Unisex: Historically male (Sir Philip Sidney, Algernon Sidney). Shifted female in US (1980s–2000s, peak #23 in 2000s). Now roughly even.
• Australia: Almost exclusively place name (Sydney, NSW — named 1788 for Lord Sydney, Home Secretary). Rare as given name.
• Variants: Sidney, Cydney, Cidney, Sydnie.

Famous Bearers

• Male: Sidney Poitier (actor), Sidney Crosby (hockey), Sidney Lumet (director).
• Female: Sydney Sweeney (actress), Sydney Leroux (soccer), Sydney Park (actress).