Glennys is a very rare girls' name that was most common in the 1930s and has all but disappeared.
Glennys is a girl name. It last appears in U.S. records in 1964. Glennys first appears in 1914 and peaked in 1933 (13 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1964 | 5 | — | #7,126 |
| 1951 | 6 | — | #5,056 |
| 1949 | 5 | — | #5,529 |
| 1948 | 9 | — | #3,694 |
| 1947 | 6 | — | #4,951 |
| 1944 | 8 | — | #3,493 |
| 1943 | 6 | — | #4,383 |
| 1942 | 5 | — | #4,900 |
| 1941 | 10 | — | #2,919 |
| 1940 | 7 | — | #3,639 |
| 1939 | 8 | — | #3,247 |
| 1938 | 7 | — | #3,623 |
| 1937 | 9 | — | #3,022 |
| 1936 | 7 | — | #3,503 |
| 1935 | 6 | — | #3,942 |
| 1934 | 7 | — | #3,593 |
| 1933 | 13 | — | #2,316 |
| 1932 | 8 | — | #3,400 |
| 1931 | 6 | — | #4,061 |
| 1930 | 10 | — | #2,930 |
| 1929 | 7 | — | #3,827 |
| 1928 | 7 | — | #3,935 |
| 1927 | 5 | — | #5,110 |
| 1926 | 5 | — | #5,162 |
| 1925 | 12 | — | #2,844 |
| 1924 | 8 | — | #3,798 |
| 1923 | 8 | — | #3,763 |
| 1921 | 8 | — | #3,810 |
| 1920 | 10 | — | #3,196 |
| 1919 | 8 | — | #3,600 |
| 1917 | 5 | — | #4,894 |
| 1916 | 5 | — | #4,717 |
| 1914 | 6 | — | #3,349 |