Meaning and Name Origin
Sidney \s(i)-dney, sid-ney\ as a boys' name (also used more commonly as girls' name Sidney) is pronounced SID-nee. It is of Old English origin, and the meaning of Sidney is "wide meadow". Also possibly from the Norman French place name Saint Denis. Used as given name in the 18th century and popular in the 19th. Sidney is favored for boys; Sydney is almost entirely used for girls. See also Cydney. Author Sidney Sheldon; film director Sydney Pollack; actor Sidney Poiter.
Sidney has 1 feminine form: Sydney.
Sidney is a very popular first name for males (#274 out of 1220, Top 22%) and also a very popular surname for all people (#10979 out of 88799, Top 12%). (2000 U.S. Census)
Presented below is the birth name popularity of Sidney for boys. Sidney reached its peak rank of #94 in the U.S. during 1910-1919, but is not listed currently. (Top 1000 Birth Names Statistics, 2014)
Below is a graphed comparison of the popularity of the boy name Sidney and associated names. Sid and Sydney are the prominent related forms of Sidney. Adoption of these boy names reached its most widespread during the years 1880-1889 and is now much less, with the forms Sid, Sidney and Sydney becoming less stylish. (Top 1000 Birth Names Statistics, 2014)