BABY NAMES · GIRL OR BOY
Sidney
Means “wide island”
Old English origin
Sidney is an English surname meaning wide island. Sir Philip Sidney was a famous English poet of the 1500s.
NAME NUMBER
4
A name that carries calm strength and solid roots.
SWEET NICKNAMES
Sid
Thinking of Sidney for your baby?
See what the name holds and which days around your due date shine for it.
Try Sidney in the Baby Name Studio ✦What does the name Sidney mean?
Sidney means "wide island". It is a name for girls and boys of Old English origin.
What are nicknames for Sidney?
Popular nicknames for Sidney are Sid.
Missing a name?
Tell us and we'll add it to the library, after we check its meaning carefully.