The baby name Letty appears in baby name data for the United States from 1914 to 2024. It was most popular in 2017 with 150 babies given the name.
In the later years of this period, Letty has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1914 | 5 |
| 1917 | 7 |
| 1918 | 15 |
| 1919 | 11 |
| 1920 | 12 |
| 1922 | 12 |
| 1923 | 6 |
| 1924 | 17 |
| 1925 | 5 |
| 1926 | 24 |
| 1927 | 15 |
| 1928 | 21 |
| 1929 | 5 |
| 1930 | 5 |
| 1932 | 15 |
| 1933 | 7 |
| 1935 | 10 |
| 1936 | 6 |
| 1937 | 9 |
| 1939 | 10 |
| 1940 | 5 |
| 1942 | 12 |
| 1943 | 12 |
| 1948 | 5 |
| 1954 | 5 |
| 1955 | 5 |
| 1956 | 17 |
| 1957 | 5 |
| 1958 | 31 |
| 1959 | 5 |
| 1960 | 15 |
| 1961 | 10 |
| 1967 | 5 |
| 1968 | 5 |
| 1969 | 13 |
| 1970 | 7 |
| 1971 | 6 |
| 1972 | 5 |
| 2014 | 15 |
| 2015 | 72 |
| 2016 | 113 |
| 2017 | 150 |
| 2018 | 97 |
| 2019 | 142 |
| 2020 | 78 |
| 2021 | 69 |
| 2022 | 86 |
| 2023 | 127 |
| 2024 | 98 |