Year 1948
- Rank: 804
- Boys named Sydney: 72
- Percent of Boys named Sydney: 0.004%
Year 1948
- Rank: 719
- Girls named Sydney: 137
- Percent of Girls named Sydney: 0.0079%
Year 1947
- Rank: 732
- Girls named Sydney: 137
- Percent of Girls named Sydney: 0.0075%
Year 1947
- Rank: 746
- Boys named Sydney: 86
- Percent of Boys named Sydney: 0.0046%
Year 1946
- Rank: 642
- Girls named Sydney: 152
- Percent of Girls named Sydney: 0.0094%
Year 1946
- Rank: 759
- Boys named Sydney: 77
- Percent of Boys named Sydney: 0.0047%
Year 1945
- Rank: 650
- Boys named Sydney: 87
- Percent of Boys named Sydney: 0.0063%
Year 1945
- Rank: 639
- Girls named Sydney: 132
- Percent of Girls named Sydney: 0.0098%
Year 1944
- Rank: 696
- Boys named Sydney: 80
- Percent of Boys named Sydney: 0.0058%
Year 1944
- Rank: 612
- Girls named Sydney: 145
- Percent of Girls named Sydney: 0.0106%
Year 1943
- Rank: 544
- Girls named Sydney: 190
- Percent of Girls named Sydney: 0.0132%
Year 1943
- Rank: 744
- Boys named Sydney: 76
- Percent of Boys named Sydney: 0.0052%
Year 1942
- Rank: 641
- Boys named Sydney: 100
- Percent of Boys named Sydney: 0.0071%
Year 1942
- Rank: 543
- Girls named Sydney: 187
- Percent of Girls named Sydney: 0.0134%
Year 1941
- Rank: 540
- Girls named Sydney: 171
- Percent of Girls named Sydney: 0.0137%
