Meaning and name origin
Sydney \s(y)-dney, syd-ney\ as a girl's name (also used as boy's name Sydney), is pronounced SIHD-nee. It is of Old English origin, and the meaning of Sydney is "wide island". Also possibly place name: Saint Denis. Sidney is favored as a name for boys, and Sydney is almost entirely used for girls, probably due to influence in the 1980s from madam/celebrity Sydney Biddle Barrows.
Sydney is a very popular first name for females (#1011 out of 4276, Top 24%) and a slightly less popular surname or last name for all people (#45206 out of 88799, Top 51%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Sydney for girls. Sydney reached its highest rank of #23 in the U.S. in 2002. (2014 statistics).
Displayed below is a comparison of the popularity of the girl name Sydney and its variant forms. Popular variation forms ranked in the Top 1000/100 are Sydney (#109), Sidney (#915), Sydni, Sydnie, Sydnee and Cydney. (2014 statistics).