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Compare two names

Cydni and Sydney side by side: Cydni peaked in 1996 and Sydney in 2000; in 2025 they were given to 0 and 893 babies.

Cydni and Sydney, year by year

Babies given each name per year
Cydni and Sydney births by year2.5k5k7.5k10k13k18801900192019401960198020002025SydneyCydni
Cydni and Sydney births by year2.5k5k7.5k10k13k18801900192019401960198020002025SydneyCydni
Cydni and Sydney births by year2.5k5k7.5k10k13k1880190519301955198020052025SydneyCydni
Cydni and Sydney births by year2.5k5k7.5k10k13k1880193019802025SydneyCydni

Girls and boys together; Cydni solid, Sydney dashed.

Cydni and Sydney compared
CydniSydney
Births 20250893
Rank 2025not ranked#348 among girls’ names
Recorded since 1880590187,700
Peak year19962000
Girls100%95%
Alive, estimated578178,000
Median age2724

Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.

Open the full record for Sydney