Willian is an uncommon boys' name that peaked in 1929 and has since faded.
Willian is predominantly a boy name. In 2025 it ranked #5,033 for boy births in the United States (and #10,604 across all names), given to 20 babies. Willian was first reported in SSA data in 1880 and peaked in 1929 (84 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 20 | 20 | — | #5,033 |
| 2024 | 16 | 16 | — | #5,884 |
| 2023 | 20 | 20 | — | #5,055 |
| 2022 | 17 | 17 | — | #5,618 |
| 2021 | 17 | 17 | — | #5,548 |
| 2020 | 13 | 13 | — | #6,602 |
| 2019 | 18 | 18 | — | #5,331 |
| 2018 | 27 | 27 | — | #3,986 |
| 2017 | 16 | 16 | — | #5,773 |
| 2016 | 22 | 22 | — | #4,614 |
| 2015 | 21 | 21 | — | #4,702 |
| 2014 | 19 | 19 | — | #5,055 |
| 2013 | 23 | 23 | — | #4,307 |
| 2012 | 23 | 23 | — | #4,381 |
| 2011 | 38 | 38 | — | #3,043 |
| 2010 | 36 | 36 | — | #3,180 |
| 2009 | 30 | 30 | — | #3,632 |
| 2008 | 25 | 25 | — | #4,136 |
| 2007 | 22 | 22 | — | #4,484 |
| 2006 | 27 | 27 | — | #3,777 |
| 2005 | 31 | 31 | — | #3,315 |
| 2004 | 20 | 20 | — | #4,410 |
| 2003 | 25 | 25 | — | #3,623 |
| 2002 | 21 | 21 | — | #4,039 |
| 2001 | 17 | 17 | — | #4,665 |
| 2000 | 14 | 14 | — | #5,291 |
| 1999 | 13 | 13 | — | #5,308 |
| 1998 | 18 | 18 | — | #4,011 |
| 1997 | 9 | — | — | #6,595 |
| 1996 | 15 | — | — | #4,390 |
| 1995 | 12 | — | — | #5,115 |
| 1994 | 12 | — | — | #5,101 |
| 1993 | 13 | — | — | #4,687 |
| 1992 | 10 | — | — | #5,646 |
| 1991 | 18 | — | — | #3,452 |
| 1990 | 18 | — | — | #3,460 |
| 1989 | 14 | — | — | #4,014 |
| 1988 | 22 | — | — | #2,678 |
| 1987 | 13 | — | — | #3,722 |
| 1986 | 24 | — | — | #2,358 |
| 1985 | 27 | — | — | #2,114 |
| 1984 | 23 | — | — | #2,289 |
| 1983 | 26 | — | — | #2,083 |
| 1982 | 17 | — | — | #2,829 |
| 1981 | 27 | — | — | #2,035 |
| 1980 | 32 | — | — | #1,807 |
| 1979 | 20 | — | — | #2,464 |
| 1978 | 21 | — | — | #2,276 |
| 1977 | 24 | — | — | #2,062 |
| 1976 | 15 | — | — | #2,823 |
| 1975 | 20 | — | — | #2,286 |
| 1974 | 30 | — | #10,229 | #1,885 |
| 1973 | 23 | — | — | #1,927 |
| 1972 | 22 | — | — | #1,963 |
| 1971 | 30 | — | — | #1,634 |
| 1970 | 40 | — | — | #1,336 |
| 1969 | 47 | — | — | #1,151 |
| 1968 | 42 | — | — | #1,182 |
| 1967 | 37 | — | — | #1,251 |
| 1966 | 36 | — | — | #1,281 |
| 1965 | 27 | — | — | #1,512 |
| 1964 | 50 | — | — | #1,081 |
| 1963 | 48 | — | — | #1,120 |
| 1962 | 53 | — | — | #1,055 |
| 1961 | 38 | — | — | #1,301 |
| 1960 | 38 | — | — | #1,293 |
| 1959 | 37 | — | — | #1,301 |
| 1958 | 40 | — | — | #1,236 |
| 1957 | 44 | — | — | #1,184 |
| 1956 | 54 | — | — | #1,030 |
| 1955 | 41 | — | — | #1,180 |
| 1954 | 38 | — | — | #1,225 |
| 1953 | 37 | — | — | #1,244 |
| 1952 | 43 | — | — | #1,135 |
| 1951 | 38 | — | — | #1,194 |
| 1950 | 43 | — | — | #1,085 |
| 1949 | 31 | — | — | #1,321 |
| 1948 | 50 | — | — | #1,000 |
| 1947 | 41 | — | — | #1,147 |
| 1946 | 48 | — | — | #978 |
| 1945 | 68 | — | — | #748 |
| 1944 | 58 | — | — | #831 |
| 1943 | 74 | — | — | #763 |
| 1942 | 59 | — | — | #858 |
| 1941 | 66 | — | — | #769 |
| 1940 | 60 | — | — | #809 |
| 1939 | 61 | — | — | #782 |
| 1938 | 50 | — | — | #896 |
| 1937 | 44 | — | — | #956 |
| 1936 | 50 | — | — | #872 |
| 1935 | 53 | — | — | #871 |
| 1934 | 56 | — | — | #844 |
| 1933 | 47 | — | — | #925 |
| 1932 | 48 | — | — | #951 |
| 1931 | 77 | — | — | #687 |
| 1930 | 74 | — | — | #743 |
| 1929 | 84 | — | — | #674 |
| 1928 | 62 | — | — | #845 |
| 1927 | 64 | — | — | #848 |
| 1926 | 79 | — | — | #721 |
| 1925 | 68 | — | #4,018 | #870 |
| 1924 | 63 | — | #5,880 | #924 |
| 1923 | 51 | — | — | #975 |
| 1922 | 51 | — | — | #998 |
| 1921 | 44 | — | — | #1,068 |
| 1920 | 44 | — | — | #1,072 |
| 1919 | 31 | — | — | #1,295 |
| 1918 | 33 | — | — | #1,229 |
| 1917 | 24 | — | — | #1,477 |
| 1916 | 31 | — | — | #1,205 |
| 1915 | 29 | — | — | #1,240 |
| 1914 | 18 | — | — | #1,489 |
| 1913 | 12 | — | — | #1,674 |
| 1912 | 9 | — | — | #1,882 |
| 1911 | 7 | — | — | #1,530 |
| 1907 | 8 | — | — | #1,090 |
| 1905 | 5 | — | — | #1,419 |
| 1904 | 5 | — | — | #1,391 |
| 1902 | 5 | — | — | #1,313 |
| 1900 | 6 | — | — | #1,303 |
| 1899 | 6 | — | — | #1,047 |
| 1897 | 5 | — | — | #1,223 |
| 1894 | 6 | — | — | #1,070 |
| 1893 | 7 | — | — | #904 |
| 1892 | 5 | — | — | #1,252 |
| 1891 | 5 | — | — | #1,123 |
| 1890 | 12 | — | — | #601 |
| 1889 | 8 | — | — | #787 |
| 1888 | 7 | — | — | #915 |
| 1887 | 9 | — | — | #678 |
| 1886 | 11 | — | — | #603 |
| 1885 | 5 | — | — | #1,094 |
| 1884 | 10 | — | — | #661 |
| 1883 | 8 | — | — | #718 |
| 1882 | 8 | — | — | #752 |
| 1881 | 9 | — | — | #651 |
| 1880 | 6 | — | — | #906 |