Year 1959
- Rank: 4
- Girls named Karen: 36,761
- Percent of Girls named Karen: 1.769%
Year 1959
- Rank: 842
- Boys named Karen: 81
- Percent of Boys named Karen: 0.0037%
Year 1958
- Rank: 4
- Girls named Karen: 38,446
- Percent of Girls named Karen: 1.8623%
Year 1958
- Rank: 937
- Boys named Karen: 66
- Percent of Boys named Karen: 0.0031%
Year 1957
- Rank: 5
- Girls named Karen: 40,587
- Percent of Girls named Karen: 1.9354%
Year 1957
- Rank: 856
- Boys named Karen: 77
- Percent of Boys named Karen: 0.0035%
Year 1956
- Rank: 881
- Boys named Karen: 72
- Percent of Boys named Karen: 0.0034%
Year 1956
- Rank: 7
- Girls named Karen: 40,044
- Percent of Girls named Karen: 1.9447%
Year 1955
- Rank: 8
- Girls named Karen: 33,206
- Percent of Girls named Karen: 1.6569%
Year 1954
- Rank: 8
- Girls named Karen: 32,453
- Percent of Girls named Karen: 1.6304%
Year 1953
- Rank: 9
- Girls named Karen: 29,822
- Percent of Girls named Karen: 1.5467%
Year 1953
- Rank: 941
- Boys named Karen: 58
- Percent of Boys named Karen: 0.0029%
Year 1952
- Rank: 8
- Girls named Karen: 28,965
- Percent of Girls named Karen: 1.5227%
Year 1951
- Rank: 8
- Girls named Karen: 27,962
- Percent of Girls named Karen: 1.516%
Year 1950
- Rank: 12
- Girls named Karen: 24,134
- Percent of Girls named Karen: 1.3725%
