Meaning not yet researched.
Aloysius: US boys given the name each year, 1880 to 2025, from Social Security card applications. 20 in 2025. Its best rank was #312 in 1893.
US births per year · SSA card applications
Peaked at #312 in 1893; #4,864 in 2025. Every baby recorded as Aloysius in 2025 was a boy.
Baby name · US data 1880–2025
#4,864 for US boys in 2025. Its best year was 1893, at #312.
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.
Aloysius: US boys given the name each year from 1880 to 2025. 20 boys in 2025. Peak: #312 in 1893 · most boys in one year: 199 (1921).
In 2025, 20 US boys were named Aloysius, making it the 4,864th most common boys’ name of the year, down 153 places from #4,711 in 2024. That is 1 fewer than the 21 boys named Aloysius in 2024. Its best rank for boys was #312, reached in 1893. The most boys given the name in a single year was 199, in 1921. For comparison, it was #5,068 in 2015 and #1,341 in 1950.
Social Security card records list Aloysius in every one of the 146 years from 1880 to 2025; in 1880 there were 12 babies with the name. In all, 5,724 US babies have been given the name, all of them boys. Its busiest decade was the 1920s, with 1,477 babies named Aloysius.
Over the 10 years from 2016 to 2025, 193 US boys were named Aloysius; the busiest of those years was 2017, with 28. In 2025 that was about 1 in 85,404 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Louis (409,317 babies since 1880), Lois (335,594 babies since 1880), Luis (294,500 babies since 1880) and Luigi (4,305 babies since 1880). Rarer spellings such as Aloysuis, Aloysious and Aloisius are summarised on this page.
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.
Rare spellings summarised here: Aloysuis (114), Aloysious (98), Aloisius (5).
Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0) and our spelling rule: at most two letters different, with the same sound pattern.
No nicknames listed for Aloysius in the open dataset we use.
Source: carltonnorthern/nicknames (Apache-2.0).
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | — | — | 20 | #4,864 |
| 2024 | — | — | 21 | #4,711 |
| 2023 | — | — | 17 | #5,479 |
| 2022 | — | — | 19 | #5,026 |
| 2021 | — | — | 20 | #4,788 |
| 2020 | — | — | 18 | #5,047 |
| 2019 | — | — | 18 | #5,165 |
| 2018 | — | — | 17 | #5,328 |
| 2017 | — | — | 28 | #3,783 |
| 2016 | — | — | 15 | #5,802 |
| 2015 | — | — | 18 | #5,068 |
| 2014 | — | — | 11 | #7,074 |
| 2013 | — | — | 16 | #5,413 |
| 2012 | — | — | 12 | #6,643 |
| 2011 | — | — | 12 | #6,596 |
| 2010 | — | — | 14 | #6,048 |
| 2009 | — | — | 15 | #5,814 |
| 2008 | — | — | 10 | #7,716 |
| 2007 | — | — | 14 | #5,915 |
| 2006 | — | — | 13 | #6,108 |
| 2005 | — | — | 11 | #6,655 |
| 2004 | — | — | 14 | #5,504 |
| 2003 | — | — | 7 | #8,693 |
| 2002 | — | — | 13 | #5,409 |
| 2001 | — | — | 8 | #7,556 |
| 2000 | — | — | 16 | #4,585 |
| 1999 | — | — | 10 | #6,062 |
| 1998 | — | — | 10 | #5,855 |
| 1997 | — | — | 9 | #6,114 |
| 1996 | — | — | 10 | #5,546 |
| 1995 | — | — | 8 | #6,434 |
| 1994 | — | — | 10 | #5,466 |
| 1993 | — | — | 13 | #4,458 |
| 1992 | — | — | 11 | #4,883 |
| 1991 | — | — | 11 | #4,770 |
| 1990 | — | — | 10 | #5,009 |
| 1989 | — | — | 15 | #3,624 |
| 1988 | — | — | 11 | #4,172 |
| 1987 | — | — | 11 | #3,971 |
| 1986 | — | — | 12 | #3,657 |
| 1985 | — | — | 17 | #2,834 |
| 1984 | — | — | 12 | #3,466 |
| 1983 | — | — | 18 | #2,581 |
| 1982 | — | — | 11 | #3,695 |
| 1981 | — | — | 21 | #2,339 |
| 1980 | — | — | 16 | #2,833 |
| 1979 | — | — | 17 | #2,672 |
| 1978 | — | — | 15 | #2,799 |
| 1977 | — | — | 10 | #3,616 |
| 1976 | — | — | 14 | #2,827 |
| 1975 | — | — | 11 | #3,253 |
| 1974 | — | — | 15 | #2,549 |
| 1973 | — | — | 26 | #1,738 |
| 1972 | — | — | 9 | #3,351 |
| 1971 | — | — | 19 | #2,127 |
| 1970 | — | — | 21 | #1,940 |
| 1969 | — | — | 14 | #2,310 |
| 1968 | — | — | 20 | #1,790 |
| 1967 | — | — | 14 | #2,141 |
| 1966 | — | — | 15 | #2,044 |
| 1965 | — | — | 21 | #1,722 |
| 1964 | — | — | 34 | #1,350 |
| 1963 | — | — | 27 | #1,513 |
| 1962 | — | — | 25 | #1,589 |
| 1961 | — | — | 20 | #1,823 |
| 1960 | — | — | 27 | #1,552 |
| 1959 | — | — | 22 | #1,710 |
| 1958 | — | — | 17 | #1,953 |
| 1957 | — | — | 18 | #1,888 |
| 1956 | — | — | 28 | #1,480 |
| 1955 | — | — | 27 | #1,485 |
| 1954 | — | — | 31 | #1,361 |
| 1953 | — | — | 32 | #1,331 |
| 1952 | — | — | 23 | #1,582 |
| 1951 | — | — | 27 | #1,430 |
| 1950 | — | — | 29 | #1,341 |
| 1949 | — | — | 26 | #1,435 |
| 1948 | — | — | 27 | #1,401 |
| 1947 | — | — | 34 | #1,253 |
| 1946 | — | — | 32 | #1,237 |
| 1945 | — | — | 32 | #1,163 |
| 1944 | — | — | 34 | #1,136 |
| 1943 | — | — | 32 | #1,215 |
| 1942 | — | — | 39 | #1,091 |
| 1941 | — | — | 34 | #1,129 |
| 1940 | — | — | 50 | #894 |
| 1939 | — | — | 54 | #829 |
| 1938 | — | — | 50 | #884 |
| 1937 | — | — | 41 | #984 |
| 1936 | — | — | 61 | #780 |
| 1935 | — | — | 49 | #903 |
| 1934 | — | — | 63 | #779 |
| 1933 | — | — | 67 | #746 |
| 1932 | — | — | 75 | #721 |
| 1931 | — | — | 79 | #673 |
| 1930 | — | — | 93 | #634 |
| 1929 | — | — | 107 | #578 |
| 1928 | — | — | 123 | #547 |
| 1927 | — | — | 126 | #549 |
| 1926 | — | — | 119 | #563 |
| 1925 | — | — | 136 | #527 |
| 1924 | — | — | 164 | #483 |
| 1923 | — | — | 149 | #499 |
| 1922 | — | — | 160 | #489 |
| 1921 | — | — | 199 | #431 |
| 1920 | — | — | 194 | #431 |
| 1919 | — | — | 192 | #423 |
| 1918 | — | — | 183 | #437 |
| 1917 | — | — | 180 | #421 |
| 1916 | — | — | 199 | #394 |
| 1915 | — | — | 187 | #393 |
| 1914 | — | — | 143 | #397 |
| 1913 | — | — | 118 | #393 |
| 1912 | — | — | 92 | #401 |
| 1911 | — | — | 49 | #409 |
| 1910 | — | — | 29 | #524 |
| 1909 | — | — | 41 | #371 |
| 1908 | — | — | 29 | #453 |
| 1907 | — | — | 28 | #439 |
| 1906 | — | — | 22 | #473 |
| 1905 | — | — | 26 | #421 |
| 1904 | — | — | 24 | #431 |
| 1903 | — | — | 20 | #471 |
| 1902 | — | — | 21 | #461 |
| 1901 | — | — | 13 | #561 |
| 1900 | — | — | 37 | #358 |
| 1899 | — | — | 24 | #376 |
| 1898 | — | — | 36 | #321 |
| 1897 | — | — | 26 | #367 |
| 1896 | — | — | 25 | #388 |
| 1895 | — | — | 27 | #358 |
| 1894 | — | — | 19 | #440 |
| 1893 | — | — | 31 | #312 |
| 1892 | — | — | 26 | #375 |
| 1891 | — | — | 25 | #341 |
| 1890 | — | — | 13 | #533 |
| 1889 | — | — | 11 | #582 |
| 1888 | — | — | 17 | #464 |
| 1887 | — | — | 11 | #545 |
| 1886 | — | — | 10 | #607 |
| 1885 | — | — | 15 | #480 |
| 1884 | — | — | 11 | #570 |
| 1883 | — | — | 13 | #498 |
| 1882 | — | — | 11 | #577 |
| 1881 | — | — | 8 | #653 |
| 1880 | — | — | 12 | #527 |
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).