The baby name Elna appears in baby name data for the United States from 1910 to 1955. It was most popular in 1918 with 157 babies given the name.
In the later years of this period, Elna has become less common than it once was.
| Year | Count |
|---|---|
| 1910 | 14 |
| 1911 | 12 |
| 1912 | 14 |
| 1913 | 23 |
| 1914 | 65 |
| 1915 | 102 |
| 1916 | 125 |
| 1917 | 146 |
| 1918 | 157 |
| 1919 | 109 |
| 1920 | 84 |
| 1921 | 64 |
| 1922 | 108 |
| 1923 | 44 |
| 1924 | 52 |
| 1925 | 78 |
| 1926 | 52 |
| 1927 | 61 |
| 1928 | 83 |
| 1929 | 59 |
| 1930 | 74 |
| 1931 | 40 |
| 1932 | 38 |
| 1933 | 34 |
| 1934 | 14 |
| 1935 | 47 |
| 1936 | 12 |
| 1937 | 26 |
| 1938 | 36 |
| 1939 | 7 |
| 1940 | 12 |
| 1941 | 18 |
| 1942 | 5 |
| 1943 | 5 |
| 1949 | 10 |
| 1950 | 6 |
| 1955 | 5 |