Glenys is a rare girls' name that was most common in the 1920s and has all but disappeared.
Glenys is a girl name. It last appears in U.S. records in 2009. Glenys first appears in 1911 and peaked in 1925 (23 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2009 | 9 | 9 | #11,811 |
| 2001 | 7 | 7 | #12,511 |
| 1999 | 5 | 5 | #15,227 |
| 1998 | 5 | 5 | #14,955 |
| 1996 | 5 | — | #14,274 |
| 1989 | 5 | — | #13,073 |
| 1984 | 5 | — | #10,976 |
| 1983 | 6 | — | #9,423 |
| 1969 | 6 | — | #6,913 |
| 1964 | 8 | — | #5,167 |
| 1962 | 5 | — | #6,922 |
| 1959 | 10 | — | #4,126 |
| 1958 | 6 | — | #5,652 |
| 1957 | 10 | — | #4,026 |
| 1956 | 6 | — | #5,522 |
| 1955 | 9 | — | #4,176 |
| 1954 | 7 | — | #4,847 |
| 1953 | 8 | — | #4,365 |
| 1952 | 12 | — | #3,269 |
| 1951 | 11 | — | #3,352 |
| 1950 | 9 | — | #3,781 |
| 1949 | 8 | — | #4,014 |
| 1948 | 18 | — | #2,364 |
| 1947 | 8 | — | #4,119 |
| 1946 | 8 | — | #3,788 |
| 1945 | 11 | — | #2,802 |
| 1944 | 12 | — | #2,678 |
| 1943 | 5 | — | #4,935 |
| 1942 | 12 | — | #2,714 |
| 1941 | 9 | — | #3,099 |
| 1940 | 19 | — | #1,861 |
| 1939 | 15 | — | #2,157 |
| 1938 | 12 | — | #2,488 |
| 1937 | 6 | — | #3,988 |
| 1936 | 7 | — | #3,504 |
| 1935 | 16 | — | #2,039 |
| 1934 | 10 | — | #2,814 |
| 1933 | 11 | — | #2,600 |
| 1931 | 12 | — | #2,479 |
| 1930 | 14 | — | #2,353 |
| 1929 | 18 | — | #1,974 |
| 1928 | 14 | — | #2,440 |
| 1927 | 10 | — | #3,148 |
| 1926 | 14 | — | #2,512 |
| 1925 | 23 | — | #1,814 |
| 1924 | 11 | — | #3,049 |
| 1923 | 5 | — | #5,256 |
| 1922 | 19 | — | #2,052 |
| 1921 | 7 | — | #4,192 |
| 1920 | 8 | — | #3,753 |
| 1919 | 17 | — | #2,113 |
| 1918 | 10 | — | #3,115 |
| 1917 | 12 | — | #2,620 |
| 1916 | 5 | — | #4,718 |
| 1915 | 7 | — | #3,581 |
| 1914 | 11 | — | #2,181 |
| 1912 | 7 | — | #2,477 |
| 1911 | 5 | — | #2,631 |