The baby name Willam appears in baby name data for the United States from 1916 to 1984. It was most popular in 1960 with 43 babies given the name.
In the later years of this period, Willam has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1916 | 10 |
| 1919 | 5 |
| 1920 | 10 |
| 1921 | 16 |
| 1922 | 20 |
| 1923 | 5 |
| 1924 | 13 |
| 1925 | 8 |
| 1926 | 10 |
| 1927 | 5 |
| 1928 | 7 |
| 1929 | 27 |
| 1930 | 15 |
| 1931 | 10 |
| 1932 | 35 |
| 1933 | 17 |
| 1934 | 5 |
| 1935 | 10 |
| 1936 | 11 |
| 1937 | 6 |
| 1939 | 13 |
| 1940 | 6 |
| 1941 | 27 |
| 1942 | 12 |
| 1943 | 27 |
| 1944 | 15 |
| 1945 | 24 |
| 1946 | 18 |
| 1949 | 5 |
| 1950 | 21 |
| 1951 | 5 |
| 1952 | 5 |
| 1954 | 11 |
| 1955 | 6 |
| 1956 | 6 |
| 1957 | 10 |
| 1958 | 10 |
| 1959 | 31 |
| 1960 | 43 |
| 1961 | 8 |
| 1963 | 6 |
| 1966 | 5 |
| 1968 | 10 |
| 1969 | 10 |
| 1983 | 5 |
| 1984 | 6 |