Adelard is a rare boys' name that was most common in the 1910s and has all but disappeared.
Adelard is a boy name. It last appears in U.S. records in 1947. Adelard was first reported in SSA data in 1884 and peaked in 1919 (33 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1947 | 5 | — | #3,735 |
| 1944 | 5 | — | #3,432 |
| 1942 | 6 | — | #3,216 |
| 1940 | 7 | — | #2,873 |
| 1939 | 5 | — | #3,481 |
| 1938 | 9 | — | #2,481 |
| 1937 | 5 | — | #3,522 |
| 1936 | 9 | — | #2,453 |
| 1934 | 9 | — | #2,566 |
| 1933 | 6 | — | #3,270 |
| 1932 | 10 | — | #2,466 |
| 1931 | 5 | — | #3,766 |
| 1930 | 15 | — | #1,964 |
| 1929 | 14 | — | #2,097 |
| 1928 | 6 | — | #3,704 |
| 1927 | 19 | — | #1,797 |
| 1926 | 11 | — | #2,569 |
| 1925 | 20 | — | #1,745 |
| 1924 | 19 | — | #1,839 |
| 1923 | 18 | — | #1,875 |
| 1922 | 15 | — | #2,144 |
| 1921 | 14 | — | #2,265 |
| 1920 | 20 | — | #1,747 |
| 1919 | 33 | — | #1,230 |
| 1918 | 18 | — | #1,827 |
| 1917 | 24 | — | #1,437 |
| 1916 | 26 | — | #1,335 |
| 1915 | 22 | — | #1,455 |
| 1914 | 22 | — | #1,260 |
| 1913 | 11 | — | #1,676 |
| 1912 | 8 | — | #1,887 |
| 1911 | 6 | — | #1,537 |
| 1910 | 5 | — | #1,589 |
| 1903 | 5 | — | #1,130 |
| 1900 | 6 | — | #1,163 |
| 1899 | 5 | — | #1,053 |
| 1895 | 16 | — | #502 |
| 1893 | 5 | — | #1,036 |
| 1891 | 5 | — | #966 |
| 1889 | 7 | — | #790 |
| 1888 | 5 | — | #1,034 |
| 1884 | 7 | — | #764 |