The baby name Merna appears in baby name data for the United States from 1913 to 2009. It was most popular in 1923 with 54 babies given the name.
In the later years of this period, Merna has become less common than it once was.
| Year | Count |
|---|---|
| 1913 | 8 |
| 1914 | 18 |
| 1915 | 10 |
| 1916 | 20 |
| 1917 | 12 |
| 1918 | 46 |
| 1919 | 7 |
| 1920 | 31 |
| 1921 | 18 |
| 1922 | 10 |
| 1923 | 54 |
| 1924 | 34 |
| 1925 | 5 |
| 1926 | 40 |
| 1927 | 30 |
| 1928 | 50 |
| 1929 | 53 |
| 1930 | 43 |
| 1931 | 35 |
| 1932 | 5 |
| 1933 | 23 |
| 1934 | 33 |
| 1935 | 28 |
| 1936 | 28 |
| 1937 | 19 |
| 1938 | 9 |
| 1939 | 18 |
| 1940 | 17 |
| 1943 | 5 |
| 1944 | 17 |
| 1946 | 5 |
| 1952 | 5 |
| 1955 | 5 |
| 2000 | 5 |
| 2009 | 5 |