Wide island
A modern spelling variant of Sydney, which originates from an Old English place name meaning 'wide island' or 'well-watered meadow'. While sometimes associated with the French Saint-Denis, its primary roots are English and geographical.
Less common today
Cydni isn't in the latest US Top 1000. It last peaked at #3,185 in 1996.
US births per 5-year period, 1990βpresent (SSA data).
Alternative spelling for the iconic pop singer Cyndi Lauper