The baby name Erla appears in baby name data for the United States from 1915 to 1952. It was most popular in 1929 with 19 babies given the name.
In the later years of this period, Erla has become less common than it once was.
| Year | Count |
|---|---|
| 1915 | 10 |
| 1916 | 5 |
| 1917 | 5 |
| 1918 | 7 |
| 1919 | 8 |
| 1920 | 7 |
| 1922 | 5 |
| 1923 | 16 |
| 1924 | 17 |
| 1925 | 8 |
| 1926 | 14 |
| 1927 | 10 |
| 1928 | 10 |
| 1929 | 19 |
| 1930 | 15 |
| 1931 | 13 |
| 1932 | 6 |
| 1933 | 8 |
| 1934 | 9 |
| 1935 | 6 |
| 1937 | 7 |
| 1938 | 6 |
| 1940 | 5 |
| 1941 | 6 |
| 1942 | 8 |
| 1943 | 5 |
| 1944 | 5 |
| 1945 | 6 |
| 1946 | 5 |
| 1952 | 5 |