Wide island
A modern spelling variation of Sydney, which originated as an English surname derived from a place name. It likely refers to a 'wide island' or 'wide water meadow' in Old English. While the traditional spelling has long been established, this version offers a unique, contemporary twist.
Fewer than 5 girls were named Cydnei in 2025.
US births per 5-year period, 1990–present (SSA data).
