Total babies named Halcyon (all years): 96
| Year | Girls (count / rank / %) |
|---|---|
| 2023 | — |
| 2021 | 5 / #16105 / 0.000% |
| 2020 | 7 / #12619 / 0.000% |
| 2011 | 5 / #17736 / 0.000% |
| 1977 | 5 / #10150 / 0.000% |
| 1930 | 5 / #4831 / 0.000% |
| 1927 | 6 / #4515 / 0.001% |
| 1924 | 8 / #3803 / 0.001% |
| 1923 | 5 / #5270 / 0.000% |
| 1921 | 6 / #4727 / 0.000% |
| Year | Girls (count / rank / %) |
|---|---|
| 1920 | 9 / #3442 / 0.001% |
| 1918 | 8 / #3645 / 0.001% |
| 1917 | 7 / #3878 / 0.001% |
| 1915 | 9 / #2986 / 0.001% |