What does Sydney mean?
Sydney \s(y)-dney, syd-ney\ as a girls' name (also used less commonly as boys' 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 prominent first name for women (#1011 out of 4276, Top 24%) and also a very prominent surname for both adults and children (#35797 out of 150436, Top 24%). (2000 U.S. Census)
Displayed below is the baby name popularity of Sydney for girls. Sydney entered the list in 1930-1939 and reached its highest position of #23 in the U.S. in 2002, and is at #109 currently. (2014 Birth Statistics)
Displayed below is an analysis of the popularity of the girl name Sydney and related names. Cydney, Sidney (#915 in 2014), Sydnee, Sydni and Sydnie are the prominent alternative forms of Sydney (#109 in 2014) appearing in the Top 1000. These girl names reached the top of their popularity in the year 2000 (usage of 0.4978%) and have become significantly less popular since (usage 0.1627%, down 67.3%), with the versions Sidney, Sydnee, Sydni and Sydnie becoming less stylish. Sydney (#109) is the most chic name for newborns among these, and there is also a rebound in baby name popularity for this name. (2014 Birth Statistics)