Sydell is a rare girls' name that was most common in the 1920s and has all but disappeared.
Sydell is a girl name. It last appears in U.S. records in 1989. Sydell was first reported in SSA data in 1898 and peaked in 1929 (55 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1989 | 5 | — | #14,296 |
| 1979 | 5 | — | #11,726 |
| 1960 | 7 | — | #5,630 |
| 1954 | 6 | — | #5,678 |
| 1950 | 6 | — | #5,238 |
| 1948 | 6 | — | #5,182 |
| 1947 | 8 | — | #4,309 |
| 1946 | 5 | — | #5,621 |
| 1945 | 7 | — | #3,987 |
| 1944 | 8 | — | #3,651 |
| 1943 | 11 | — | #3,017 |
| 1942 | 7 | — | #4,083 |
| 1941 | 13 | — | #2,521 |
| 1940 | 5 | — | #4,961 |
| 1939 | 6 | — | #4,198 |
| 1938 | 10 | — | #2,910 |
| 1937 | 11 | — | #2,719 |
| 1936 | 13 | — | #2,375 |
| 1935 | 11 | — | #2,715 |
| 1934 | 14 | — | #2,275 |
| 1933 | 22 | — | #1,654 |
| 1932 | 44 | — | #1,079 |
| 1931 | 36 | — | #1,223 |
| 1930 | 43 | — | #1,142 |
| 1929 | 55 | — | #979 |
| 1928 | 28 | — | #1,536 |
| 1927 | 27 | — | #1,614 |
| 1926 | 20 | — | #1,991 |
| 1925 | 19 | — | #2,111 |
| 1924 | 8 | — | #3,967 |
| 1923 | 5 | — | #5,630 |
| 1922 | 14 | — | #2,591 |
| 1921 | 8 | — | #3,979 |
| 1920 | 11 | — | #3,074 |
| 1918 | 14 | — | #2,499 |
| 1917 | 11 | — | #2,858 |
| 1916 | 13 | — | #2,476 |
| 1915 | 8 | — | #3,397 |
| 1914 | 12 | — | #2,113 |
| 1912 | 11 | — | #1,823 |
| 1911 | 5 | — | #2,817 |
| 1910 | 9 | — | #1,756 |
| 1909 | 6 | — | #2,192 |
| 1898 | 5 | — | #1,942 |