Elwyn is an uncommon variant of Elian that peaked in 1924 and has since faded.
Elwyn is predominantly a boy name. In 2025 it ranked #6,563 among boys (13) and #15,587 among girls (5) — overall #11,103 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 18 | 18 | #15,587 | #6,563 |
| 2024 | 10 | 10 | — | #7,930 |
| 2023 | 28 | 28 | #15,887 | #4,498 |
| 2022 | 13 | 13 | #14,088 | #10,119 |
| 2021 | 21 | 21 | #12,581 | #6,114 |
| 2019 | 19 | 19 | #14,308 | #6,526 |
| 2018 | 13 | 13 | — | #6,449 |
| 2017 | 14 | 14 | — | #6,126 |
| 2016 | 13 | 13 | — | #6,456 |
| 2015 | 11 | 11 | #17,237 | #11,086 |
| 2013 | 5 | 5 | #17,348 | — |
| 2011 | 6 | 6 | — | #11,248 |
| 2010 | 7 | 7 | — | #9,983 |
| 2009 | 10 | 10 | — | #7,872 |
| 2005 | 8 | 8 | — | #8,522 |
| 2004 | 7 | 7 | — | #9,214 |
| 2001 | 6 | 6 | — | #9,634 |
| 2000 | 6 | 6 | — | #9,462 |
| 1994 | 5 | — | — | #9,249 |
| 1993 | 7 | — | — | #7,047 |
| 1991 | 5 | — | — | #8,603 |
| 1990 | 5 | — | — | #8,526 |
| 1989 | 6 | — | — | #7,264 |
| 1987 | 6 | — | — | #6,357 |
| 1984 | 5 | — | — | #6,619 |
| 1981 | 8 | — | — | #4,645 |
| 1980 | 5 | — | — | #6,556 |
| 1979 | 6 | — | — | #5,561 |
| 1978 | 6 | — | — | #5,272 |
| 1977 | 5 | — | — | #6,151 |
| 1976 | 8 | — | — | #4,124 |
| 1974 | 12 | — | — | #3,005 |
| 1973 | 6 | — | — | #4,683 |
| 1972 | 11 | — | — | #3,023 |
| 1971 | 10 | — | — | #3,211 |
| 1970 | 7 | — | — | #3,972 |
| 1968 | 6 | — | — | #3,837 |
| 1967 | 10 | — | — | #2,654 |
| 1966 | 9 | — | — | #2,840 |
| 1965 | 22 | — | — | #1,686 |
| 1964 | 10 | — | — | #2,717 |
| 1963 | 14 | — | — | #2,233 |
| 1962 | 12 | — | — | #2,422 |
| 1961 | 15 | — | — | #2,171 |
| 1960 | 15 | — | — | #2,157 |
| 1959 | 19 | — | — | #1,880 |
| 1958 | 24 | — | — | #1,607 |
| 1957 | 23 | — | — | #1,687 |
| 1956 | 20 | — | #6,226 | #2,116 |
| 1955 | 31 | — | — | #1,382 |
| 1954 | 32 | — | — | #1,338 |
| 1953 | 25 | — | — | #1,526 |
| 1952 | 40 | — | — | #1,173 |
| 1951 | 39 | — | — | #1,157 |
| 1950 | 22 | — | — | #1,582 |
| 1949 | 33 | — | — | #1,260 |
| 1948 | 50 | — | — | #993 |
| 1947 | 34 | — | — | #1,260 |
| 1946 | 39 | — | — | #1,116 |
| 1945 | 39 | — | — | #1,020 |
| 1944 | 27 | — | — | #1,291 |
| 1943 | 59 | — | #3,918 | #925 |
| 1942 | 63 | — | — | #814 |
| 1941 | 44 | — | — | #962 |
| 1940 | 41 | — | — | #1,011 |
| 1939 | 49 | — | — | #893 |
| 1938 | 52 | — | — | #862 |
| 1937 | 44 | — | — | #946 |
| 1936 | 53 | — | — | #837 |
| 1935 | 57 | — | — | #823 |
| 1934 | 69 | — | — | #735 |
| 1933 | 76 | — | — | #680 |
| 1932 | 71 | — | — | #740 |
| 1931 | 74 | — | #4,528 | #744 |
| 1930 | 77 | — | — | #714 |
| 1929 | 79 | — | — | #696 |
| 1928 | 78 | — | #4,935 | #755 |
| 1927 | 95 | — | #5,024 | #679 |
| 1926 | 82 | — | — | #702 |
| 1925 | 99 | — | #5,206 | #660 |
| 1924 | 104 | — | — | #629 |
| 1923 | 101 | — | #5,177 | #654 |
| 1922 | 89 | — | — | #693 |
| 1921 | 90 | — | — | #684 |
| 1920 | 100 | — | #4,107 | #663 |
| 1919 | 75 | — | — | #740 |
| 1918 | 88 | — | — | #659 |
| 1917 | 79 | — | #3,828 | #732 |
| 1916 | 61 | — | #4,633 | #835 |
| 1915 | 78 | — | #4,493 | #680 |
| 1914 | 54 | — | — | #703 |
| 1913 | 47 | — | — | #655 |
| 1912 | 52 | — | #3,110 | #595 |
| 1911 | 11 | — | — | #1,066 |
| 1910 | 10 | — | — | #1,064 |
| 1909 | 11 | — | — | #913 |
| 1908 | 11 | — | — | #846 |
| 1906 | 7 | — | — | #1,042 |
| 1905 | 5 | — | — | #1,293 |
| 1904 | 8 | — | — | #911 |
| 1903 | 8 | — | — | #862 |
| 1902 | 6 | — | — | #1,049 |
| 1899 | 7 | — | — | #883 |
| 1898 | 7 | — | — | #910 |
| 1896 | 5 | — | — | #1,145 |
| 1895 | 7 | — | — | #912 |
| 1893 | 5 | — | — | #1,089 |