Year 2012
- Rank: 78
- Girls named Sydney: 3,431
- Percent of Girls named Sydney: 0.1786%
Year 2011
- Rank: 65
- Girls named Sydney: 3,962
- Percent of Girls named Sydney: 0.2054%
Year 2010
- Rank: 60
- Girls named Sydney: 4,301
- Percent of Girls named Sydney: 0.2215%
Year 2009
- Rank: 48
- Girls named Sydney: 5,007
- Percent of Girls named Sydney: 0.2501%
Year 2008
- Rank: 49
- Girls named Sydney: 5,212
- Percent of Girls named Sydney: 0.2536%
Year 2007
- Rank: 37
- Girls named Sydney: 6,010
- Percent of Girls named Sydney: 0.2854%
Year 2006
- Rank: 34
- Girls named Sydney: 6,502
- Percent of Girls named Sydney: 0.3122%
Year 2005
- Rank: 30
- Girls named Sydney: 7,372
- Percent of Girls named Sydney: 0.3644%
Year 2004
- Rank: 27
- Girls named Sydney: 8,361
- Percent of Girls named Sydney: 0.4154%
Year 2003
- Rank: 25
- Girls named Sydney: 8,907
- Percent of Girls named Sydney: 0.4448%
Year 2002
- Rank: 23
- Girls named Sydney: 9,028
- Percent of Girls named Sydney: 0.4579%
Year 2001
- Rank: 23
- Girls named Sydney: 9,634
- Percent of Girls named Sydney: 0.4871%
Year 2000
- Rank: 23
- Girls named Sydney: 10,240
- Percent of Girls named Sydney: 0.5138%
Year 1999
- Rank: 23
- Girls named Sydney: 9,647
- Percent of Girls named Sydney: 0.4961%
Year 1998
- Rank: 28
- Girls named Sydney: 8,547
- Percent of Girls named Sydney: 0.4414%
