Guilford is a rare boys' name that was most common in the 1920s and has all but disappeared.
Guilford is a boy name. It last appears in U.S. records in 1973. Guilford was first reported in SSA data in 1885 and peaked in 1923 (22 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1973 | 5 | — | #5,380 |
| 1967 | 6 | — | #3,702 |
| 1965 | 5 | — | #4,130 |
| 1961 | 5 | — | #4,296 |
| 1957 | 6 | — | #3,727 |
| 1956 | 7 | — | #3,333 |
| 1955 | 7 | — | #3,307 |
| 1954 | 9 | — | #2,828 |
| 1953 | 8 | — | #3,006 |
| 1952 | 9 | — | #2,758 |
| 1951 | 7 | — | #3,186 |
| 1950 | 14 | — | #2,066 |
| 1949 | 11 | — | #2,389 |
| 1948 | 10 | — | #2,509 |
| 1947 | 9 | — | #2,748 |
| 1946 | 6 | — | #3,314 |
| 1945 | 7 | — | #2,850 |
| 1944 | 8 | — | #2,724 |
| 1943 | 7 | — | #3,066 |
| 1942 | 11 | — | #2,317 |
| 1941 | 11 | — | #2,257 |
| 1940 | 8 | — | #2,746 |
| 1939 | 12 | — | #2,106 |
| 1938 | 10 | — | #2,386 |
| 1937 | 12 | — | #2,129 |
| 1936 | 9 | — | #2,518 |
| 1935 | 11 | — | #2,311 |
| 1933 | 5 | — | #3,861 |
| 1932 | 16 | — | #1,875 |
| 1931 | 11 | — | #2,380 |
| 1930 | 14 | — | #2,116 |
| 1929 | 11 | — | #2,499 |
| 1928 | 14 | — | #2,206 |
| 1927 | 14 | — | #2,230 |
| 1926 | 17 | — | #1,938 |
| 1925 | 21 | — | #1,704 |
| 1924 | 20 | — | #1,803 |
| 1923 | 22 | — | #1,665 |
| 1922 | 16 | — | #2,086 |
| 1921 | 16 | — | #2,099 |
| 1920 | 14 | — | #2,264 |
| 1919 | 16 | — | #2,010 |
| 1918 | 17 | — | #1,942 |
| 1917 | 18 | — | #1,775 |
| 1916 | 10 | — | #2,616 |
| 1915 | 17 | — | #1,736 |
| 1914 | 16 | — | #1,572 |
| 1913 | 18 | — | #1,226 |
| 1912 | 10 | — | #1,668 |
| 1911 | 8 | — | #1,327 |
| 1908 | 5 | — | #1,477 |
| 1890 | 8 | — | #775 |
| 1885 | 5 | — | #1,001 |