The baby name Harmon appears in baby name data for the United States from 1912 to 2014. It was most popular in 1918 with 173 babies given the name.
In the later years of this period, Harmon has become less common than it once was.
| Year | Count |
|---|---|
| 1912 | 22 |
| 1913 | 55 |
| 1914 | 50 |
| 1915 | 52 |
| 1916 | 72 |
| 1917 | 99 |
| 1918 | 173 |
| 1919 | 157 |
| 1920 | 103 |
| 1921 | 173 |
| 1922 | 93 |
| 1923 | 95 |
| 1924 | 113 |
| 1925 | 100 |
| 1926 | 110 |
| 1927 | 94 |
| 1928 | 103 |
| 1929 | 156 |
| 1930 | 131 |
| 1931 | 68 |
| 1932 | 61 |
| 1933 | 66 |
| 1934 | 33 |
| 1935 | 74 |
| 1936 | 69 |
| 1937 | 46 |
| 1938 | 45 |
| 1939 | 32 |
| 1940 | 61 |
| 1941 | 60 |
| 1942 | 49 |
| 1943 | 64 |
| 1944 | 11 |
| 1945 | 35 |
| 1946 | 26 |
| 1947 | 70 |
| 1948 | 26 |
| 1949 | 26 |
| 1950 | 15 |
| 1951 | 18 |
| 1952 | 15 |
| 1953 | 40 |
| 1954 | 27 |
| 1955 | 36 |
| 1956 | 18 |
| 1957 | 21 |
| 1958 | 5 |
| 1959 | 22 |
| 1960 | 6 |
| 1962 | 6 |
| 1963 | 10 |
| 1966 | 12 |
| 1967 | 10 |
| 1970 | 10 |
| 1998 | 6 |
| 2002 | 5 |
| 2003 | 10 |
| 2012 | 10 |
| 2014 | 10 |