The baby name Marylouise appears in baby name data for the United States from 1919 to 1968. It was most popular in 1923 with 36 babies given the name.
Over the period shown, Marylouise has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1919 | 6 |
| 1920 | 5 |
| 1922 | 27 |
| 1923 | 36 |
| 1924 | 18 |
| 1925 | 7 |
| 1926 | 6 |
| 1927 | 10 |
| 1928 | 7 |
| 1929 | 5 |
| 1930 | 5 |
| 1932 | 9 |
| 1936 | 15 |
| 1937 | 7 |
| 1938 | 5 |
| 1939 | 12 |
| 1940 | 15 |
| 1941 | 6 |
| 1942 | 15 |
| 1943 | 23 |
| 1944 | 29 |
| 1945 | 21 |
| 1946 | 9 |
| 1947 | 19 |
| 1948 | 7 |
| 1949 | 11 |
| 1950 | 8 |
| 1951 | 9 |
| 1952 | 8 |
| 1953 | 8 |
| 1954 | 15 |
| 1955 | 13 |
| 1956 | 17 |
| 1957 | 9 |
| 1959 | 6 |
| 1960 | 10 |
| 1961 | 13 |
| 1963 | 5 |
| 1965 | 7 |
| 1968 | 5 |