Total babies named Leaster (all years): 57
| Year | Girls (count / rank / %) |
|---|---|
| 1929 | 5 / #4960 / 0.000% |
| 1928 | 6 / #4476 / 0.001% |
| 1927 | 5 / #5237 / 0.000% |
| 1926 | 6 / #4590 / 0.001% |
| 1923 | — |
| 1922 | 5 / #5418 / 0.000% |
| 1920 | 7 / #4202 / 0.001% |
| 1918 | 6 / #4578 / 0.001% |
| 1916 | — |