Meaning not yet researched.
Willo: US girls given the name each year, 1880 to 2025, from Social Security card applications. 9 in 2025. Its best rank was #1,633 in 1932.
US births per year · SSA card applications
Peaked at #1,633 in 1932; #10,871 in 2025. Every baby recorded as Willo in 2025 was a girl.
Baby name · US data 1880–2025
#10,871 for US girls in 2025. Its best year was 1932, at #1,633.
Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.
Willo: US girls given the name each year from 1880 to 2025. 9 girls in 2025. Peak: #1,633 in 1932 · most girls in one year: 23 (1932).
In 2025, 9 US girls were named Willo, making it the 10,871st most common girls’ name of the year. Its best rank for girls was #1,633, reached in 1932. That year also had the most girls given the name: 23. For comparison, it was #11,794 in 2015 and #6,096 in 1950.
Social Security card records list Willo in 61 years of the 146 from 1880 to 2025, starting in 1911 with 7 babies. In all, 637 US babies have been given the name, all of them girls. Its busiest decade was the 1930s, with 166 babies named Willo.
Over the 10 years from 2016 to 2025, 73 US girls were named Willo; the busiest of those years was 2018, with 13. In 2025 that was about 1 in 178,585 of the girls in SSA’s list for the year.
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 9 | #10,871 | — | — |
| 2023 | 8 | #12,127 | — | — |
| 2022 | 6 | #15,194 | — | — |
| 2021 | 11 | #9,515 | — | — |
| 2020 | 5 | #17,386 | — | — |
| 2018 | 13 | #8,584 | — | — |
| 2017 | 8 | #12,663 | — | — |
| 2016 | 13 | #8,850 | — | — |
| 2015 | 9 | #11,794 | — | — |
| 2014 | 6 | #16,408 | — | — |
| 2013 | 9 | #11,913 | — | — |
| 2012 | 9 | #12,160 | — | — |
| 2011 | 7 | #14,753 | — | — |
| 2009 | 7 | #15,164 | — | — |
| 2008 | 5 | #20,337 | — | — |
| 2007 | 9 | #12,625 | — | — |
| 2004 | 5 | #18,712 | — | — |
| 2003 | 6 | #15,699 | — | — |
| 2001 | 6 | #15,285 | — | — |
| 1963 | 7 | #5,884 | — | — |
| 1958 | 8 | #4,884 | — | — |
| 1954 | 6 | #5,742 | — | — |
| 1953 | 6 | #5,662 | — | — |
| 1952 | 5 | #6,382 | — | — |
| 1950 | 5 | #6,096 | — | — |
| 1949 | 7 | #4,660 | — | — |
| 1948 | 7 | #4,643 | — | — |
| 1947 | 10 | #3,699 | — | — |
| 1946 | 8 | #3,989 | — | — |
| 1943 | 10 | #3,244 | — | — |
| 1942 | 11 | #2,984 | — | — |
| 1940 | 10 | #2,958 | — | — |
| 1939 | 12 | #2,586 | — | — |
| 1938 | 19 | #1,872 | — | — |
| 1937 | 9 | #3,143 | — | — |
| 1936 | 15 | #2,150 | — | — |
| 1935 | 15 | #2,203 | — | — |
| 1934 | 21 | #1,696 | — | — |
| 1933 | 14 | #2,271 | — | — |
| 1932 | 23 | #1,633 | — | — |
| 1931 | 17 | #2,023 | — | — |
| 1930 | 21 | #1,813 | — | — |
| 1929 | 16 | #2,184 | — | — |
| 1928 | 16 | #2,281 | — | — |
| 1927 | 15 | #2,429 | — | — |
| 1926 | 14 | #2,566 | — | — |
| 1925 | 13 | #2,772 | — | — |
| 1924 | 23 | #1,871 | — | — |
| 1923 | 6 | #4,955 | — | — |
| 1922 | 13 | #2,777 | — | — |
| 1921 | 19 | #2,115 | — | — |
| 1920 | 12 | #2,895 | — | — |
| 1919 | 5 | #5,545 | — | — |
| 1918 | 9 | #3,506 | — | — |
| 1917 | 15 | #2,309 | — | — |
| 1916 | 8 | #3,544 | — | — |
| 1915 | 8 | #3,425 | — | — |
| 1914 | 10 | #2,429 | — | — |
| 1913 | 5 | #3,696 | — | — |
| 1912 | 6 | #2,969 | — | — |
| 1911 | 7 | #2,187 | — | — |
About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).