Year 2010
- Rank: 670
- Girls named Sidney: 428
- Percent of Girls named Sidney: 0.022%
Year 2010
- Rank: 828
- Boys named Sidney: 257
- Percent of Boys named Sidney: 0.0126%
Year 2009
- Rank: 529
- Girls named Sidney: 565
- Percent of Girls named Sidney: 0.0282%
Year 2009
- Rank: 846
- Boys named Sidney: 251
- Percent of Boys named Sidney: 0.012%
Year 2008
- Rank: 523
- Girls named Sidney: 579
- Percent of Girls named Sidney: 0.0282%
Year 2008
- Rank: 813
- Boys named Sidney: 266
- Percent of Boys named Sidney: 0.0124%
Year 2007
- Rank: 841
- Boys named Sidney: 252
- Percent of Boys named Sidney: 0.0114%
Year 2007
- Rank: 488
- Girls named Sidney: 666
- Percent of Girls named Sidney: 0.0316%
Year 2006
- Rank: 424
- Girls named Sidney: 745
- Percent of Girls named Sidney: 0.0358%
Year 2006
- Rank: 800
- Boys named Sidney: 255
- Percent of Boys named Sidney: 0.0117%
Year 2005
- Rank: 839
- Boys named Sidney: 220
- Percent of Boys named Sidney: 0.0104%
Year 2005
- Rank: 378
- Girls named Sidney: 832
- Percent of Girls named Sidney: 0.0411%
Year 2004
- Rank: 374
- Girls named Sidney: 834
- Percent of Girls named Sidney: 0.0414%
Year 2004
- Rank: 717
- Boys named Sidney: 266
- Percent of Boys named Sidney: 0.0126%
Year 2003
- Rank: 330
- Girls named Sidney: 951
- Percent of Girls named Sidney: 0.0475%
