Leaster is a girl name. It last appeared in U.S. Social Security records in 1929. Leaster first appears in the data in 1916 and reached its peak in 1928 (13 births). The chart below shows how the name has risen and fallen over time.
| Year | U.S. births | Rank |
|---|---|---|
| 1929 | 5 | #8,250 |
| 1928 | 13 | #4,570 |
| 1927 | 5 | #8,689 |
| 1926 | 6 | #7,777 |
| 1923 | 5 | #8,981 |
| 1922 | 5 | #9,039 |
| 1920 | 7 | #7,280 |
| 1918 | 6 | #7,847 |
| 1916 | 5 | #8,579 |