Watt is a rare variant of Wade that was most common in the 1920s and has all but disappeared.
Watt is a boy name. It last appears in U.S. records in 1971. Watt first appears in 1880 and peaked in 1920 (15 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1971 | 5 | — | #5,637 |
| 1962 | 5 | — | #4,616 |
| 1961 | 5 | — | #4,642 |
| 1959 | 6 | — | #3,975 |
| 1954 | 8 | — | #3,166 |
| 1953 | 5 | — | #4,317 |
| 1952 | 6 | — | #3,719 |
| 1950 | 8 | — | #3,015 |
| 1949 | 7 | — | #3,288 |
| 1948 | 10 | — | #2,607 |
| 1947 | 8 | — | #3,088 |
| 1945 | 5 | — | #3,765 |
| 1944 | 8 | — | #2,859 |
| 1943 | 7 | — | #3,224 |
| 1942 | 9 | — | #2,706 |
| 1941 | 7 | — | #3,124 |
| 1940 | 10 | — | #2,475 |
| 1939 | 7 | — | #3,105 |
| 1937 | 5 | — | #3,997 |
| 1935 | 8 | — | #2,937 |
| 1934 | 5 | — | #4,183 |
| 1933 | 8 | — | #2,998 |
| 1932 | 11 | — | #2,459 |
| 1931 | 6 | — | #3,745 |
| 1930 | 7 | — | #3,581 |
| 1929 | 14 | — | #2,195 |
| 1928 | 10 | — | #2,837 |
| 1927 | 8 | — | #3,436 |
| 1926 | 14 | — | #2,299 |
| 1925 | 15 | — | #2,186 |
| 1924 | 10 | — | #3,017 |
| 1923 | 10 | — | #2,934 |
| 1922 | 11 | — | #2,791 |
| 1921 | 6 | — | #4,305 |
| 1920 | 15 | — | #2,226 |
| 1919 | 11 | — | #2,659 |
| 1918 | 11 | — | #2,693 |
| 1917 | 9 | — | #2,946 |
| 1916 | 11 | — | #2,534 |
| 1915 | 13 | — | #2,175 |
| 1914 | 5 | — | #3,743 |
| 1913 | 6 | — | #2,800 |
| 1912 | 5 | — | #2,892 |
| 1910 | 6 | — | #1,583 |
| 1909 | 6 | — | #1,433 |
| 1906 | 5 | — | #1,405 |
| 1902 | 5 | — | #1,308 |
| 1898 | 5 | — | #1,283 |
| 1893 | 6 | — | #1,025 |
| 1892 | 6 | — | #1,061 |
| 1888 | 5 | — | #1,175 |
| 1885 | 7 | — | #832 |
| 1884 | 6 | — | #967 |
| 1882 | 12 | — | #574 |
| 1881 | 8 | — | #701 |
| 1880 | 7 | — | #806 |