Meaning not yet researched.
Alonzo: US boys given the name each year, 1880 to 2025, from Social Security card applications. 590 in 2025. Its best rank was #110 in 1881.
US births per year · SSA card applications
Peaked at #110 in 1881; #511 in 2025. Every baby recorded as Alonzo in 2025 was a boy.
Baby name · US data 1880–2025
#511 for US boys in 2025. Its best year was 1881, at #110.
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.
Alonzo: US boys given the name each year from 1880 to 2025. 590 boys in 2025. Peak: #110 in 1881 · most boys in one year: 651 (2022).
In 2025, 590 US boys were named Alonzo, making it the 511th most common boys’ name of the year, up 1 place from #512 in 2024. That is 5 fewer than the 595 boys named Alonzo in 2024. Its best rank for boys was #110, reached in 1881. The most boys given the name in a single year was 651, in 2022. For comparison, it was #527 in 2015 and #353 in 1950.
Social Security card records list Alonzo in every one of the 146 years from 1880 to 2025; in 1880 there were 122 babies with the name. In all, 46,109 US babies have been given the name, 0.3% of them girls and 99.6% boys. Its busiest decade was the 2010s, with 5,251 babies named Alonzo.
Over the 10 years from 2016 to 2025, 5,877 US boys were named Alonzo; the busiest of those years was 2022, with 651. In 2025 that was about 1 in 2,895 of the boys in SSA’s list for the year.
Among the states, Alonzo ranked highest in California in 2025, at #252 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Alonso (12,231 babies since 1880) and Lon (9,856 babies since 1880). Rarer spellings such as Alanzo, Allonzo and Alanso are summarised on this page. The open nickname list we use links it to Al, Lon and Lonzo.
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: Alanzo (494), Allonzo (5), Alanso (5), Alonsso (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.
US boys. Rank within each state. SSA leaves out states where fewer than five boys got the name, so 23 are not listed.
| State | Births 2025 | Rank 2025 | Rank 2015 |
|---|---|---|---|
| California | 149 | #252 | #323 |
| Nevada | 11 | #267 | #246 |
| Illinois | 29 | #364 | #327 |
| Wisconsin | 14 | #374 | #455 |
| Kansas | 9 | #387 | #584 |
| Texas | 93 | #389 | #412 |
| Arizona | 19 | #394 | #282 |
| Oregon | 8 | #438 | #494 |
| Missouri | 13 | #459 | #735 |
| Florida | 36 | #499 | #744 |
| Massachusetts | 9 | #510 | — |
| Maryland | 8 | #572 | #582 |
| Iowa | 5 | #574 | — |
| Washington | 12 | #578 | — |
| Indiana | 10 | #621 | #716 |
| Oklahoma | 6 | #624 | #572 |
| Kentucky | 6 | #628 | — |
| South Carolina | 6 | #670 | #662 |
| Virginia | 10 | #673 | #620 |
| Ohio | 12 | #711 | #783 |
| New Jersey | 9 | #711 | #717 |
| Michigan | 10 | #717 | #717 |
| Pennsylvania | 11 | #742 | #1,040 |
| New York | 19 | #746 | #719 |
| Georgia | 12 | #756 | #544 |
| North Carolina | 11 | #780 | #1,122 |
| Colorado | 5 | #856 | #397 |
| Tennessee | 5 | #1,042 | #742 |
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | — | — | 590 | #511 |
| 2024 | — | — | 595 | #512 |
| 2023 | — | — | 552 | #535 |
| 2022 | — | — | 651 | #471 |
| 2021 | — | — | 569 | #515 |
| 2020 | — | — | 626 | #477 |
| 2019 | — | — | 634 | #469 |
| 2018 | — | — | 612 | #476 |
| 2017 | — | — | 549 | #522 |
| 2016 | — | — | 499 | #565 |
| 2015 | — | — | 542 | #527 |
| 2014 | — | — | 527 | #528 |
| 2013 | — | — | 545 | #500 |
| 2012 | — | — | 454 | #568 |
| 2011 | — | — | 455 | #558 |
| 2010 | — | — | 434 | #581 |
| 2009 | — | — | 412 | #612 |
| 2008 | — | — | 483 | #543 |
| 2007 | — | — | 432 | #588 |
| 2006 | — | — | 450 | #559 |
| 2005 | — | — | 452 | #537 |
| 2004 | — | — | 421 | #547 |
| 2003 | — | — | 436 | #533 |
| 2002 | — | — | 433 | #523 |
| 2001 | — | — | 375 | #559 |
| 2000 | — | — | 435 | #516 |
| 1999 | — | — | 410 | #519 |
| 1998 | — | — | 394 | #526 |
| 1997 | — | — | 450 | #479 |
| 1996 | — | — | 407 | #507 |
| 1995 | — | — | 453 | #477 |
| 1994 | — | — | 469 | #465 |
| 1993 | — | — | 421 | #494 |
| 1992 | — | — | 398 | #506 |
| 1991 | — | — | 428 | #476 |
| 1990 | — | — | 432 | #476 |
| 1989 | — | — | 426 | #455 |
| 1988 | 7 | #9,280 | 460 | #421 |
| 1987 | 7 | #8,808 | 406 | #441 |
| 1986 | 5 | #10,961 | 371 | #452 |
| 1985 | — | — | 315 | #488 |
| 1984 | — | — | 321 | #470 |
| 1983 | 5 | #10,322 | 322 | #466 |
| 1982 | 8 | #7,490 | 325 | #469 |
| 1981 | 6 | #9,143 | 310 | #473 |
| 1980 | 7 | #8,196 | 363 | #431 |
| 1979 | — | — | 334 | #444 |
| 1978 | — | — | 282 | #483 |
| 1977 | — | — | 360 | #416 |
| 1976 | — | — | 301 | #450 |
| 1975 | 7 | #7,191 | 331 | #432 |
| 1974 | 5 | #8,817 | 336 | #430 |
| 1973 | — | — | 357 | #413 |
| 1972 | 6 | #7,309 | 368 | #411 |
| 1971 | 7 | #6,632 | 418 | #394 |
| 1970 | 7 | #6,382 | 403 | #402 |
| 1969 | — | — | 414 | #385 |
| 1968 | — | — | 385 | #397 |
| 1967 | — | — | 405 | #371 |
| 1966 | — | — | 384 | #389 |
| 1965 | 7 | #5,296 | 422 | #376 |
| 1964 | — | — | 449 | #369 |
| 1963 | 5 | #6,607 | 458 | #370 |
| 1962 | — | — | 538 | #336 |
| 1961 | 8 | #4,891 | 476 | #366 |
| 1960 | 5 | #6,400 | 464 | #367 |
| 1959 | 7 | #5,043 | 443 | #375 |
| 1958 | 6 | #5,420 | 454 | #362 |
| 1957 | 5 | #6,099 | 377 | #400 |
| 1956 | 6 | #5,331 | 418 | #360 |
| 1955 | 8 | #4,381 | 415 | #354 |
| 1954 | 5 | #5,764 | 375 | #366 |
| 1953 | — | — | 396 | #348 |
| 1952 | — | — | 341 | #364 |
| 1951 | — | — | 383 | #348 |
| 1950 | — | — | 364 | #353 |
| 1949 | — | — | 297 | #390 |
| 1948 | 5 | #5,254 | 350 | #360 |
| 1947 | — | — | 300 | #396 |
| 1946 | — | — | 259 | #400 |
| 1945 | — | — | 219 | #408 |
| 1944 | — | — | 235 | #396 |
| 1943 | — | — | 263 | #378 |
| 1942 | — | — | 245 | #387 |
| 1941 | — | — | 223 | #384 |
| 1940 | — | — | 256 | #357 |
| 1939 | — | — | 249 | #352 |
| 1938 | — | — | 233 | #368 |
| 1937 | — | — | 226 | #358 |
| 1936 | — | — | 207 | #380 |
| 1935 | — | — | 240 | #354 |
| 1934 | — | — | 253 | #345 |
| 1933 | — | — | 252 | #335 |
| 1932 | — | — | 271 | #333 |
| 1931 | — | — | 235 | #368 |
| 1930 | — | — | 268 | #341 |
| 1929 | 5 | #4,589 | 239 | #372 |
| 1928 | — | — | 265 | #350 |
| 1927 | 5 | #4,826 | 287 | #338 |
| 1926 | — | — | 298 | #335 |
| 1925 | — | — | 295 | #336 |
| 1924 | — | — | 340 | #310 |
| 1923 | — | — | 319 | #327 |
| 1922 | — | — | 320 | #321 |
| 1921 | — | — | 315 | #335 |
| 1920 | — | — | 308 | #332 |
| 1919 | — | — | 321 | #309 |
| 1918 | — | — | 287 | #336 |
| 1917 | — | — | 286 | #319 |
| 1916 | — | — | 274 | #315 |
| 1915 | — | — | 267 | #318 |
| 1914 | — | — | 204 | #318 |
| 1913 | — | — | 184 | #293 |
| 1912 | — | — | 177 | #263 |
| 1911 | — | — | 128 | #223 |
| 1910 | — | — | 90 | #254 |
| 1909 | — | — | 95 | #223 |
| 1908 | — | — | 57 | #288 |
| 1907 | — | — | 82 | #224 |
| 1906 | — | — | 85 | #205 |
| 1905 | — | — | 93 | #190 |
| 1904 | — | — | 76 | #211 |
| 1903 | — | — | 56 | #248 |
| 1902 | — | — | 81 | #199 |
| 1901 | — | — | 67 | #208 |
| 1900 | — | — | 116 | #182 |
| 1899 | — | — | 78 | #180 |
| 1898 | — | — | 104 | #161 |
| 1897 | — | — | 84 | #181 |
| 1896 | — | — | 89 | #182 |
| 1895 | — | — | 85 | #185 |
| 1894 | — | — | 102 | #150 |
| 1893 | — | — | 71 | #201 |
| 1892 | — | — | 104 | #154 |
| 1891 | — | — | 74 | #175 |
| 1890 | — | — | 88 | #161 |
| 1889 | — | — | 102 | #141 |
| 1888 | — | — | 110 | #139 |
| 1887 | — | — | 88 | #144 |
| 1886 | — | — | 106 | #128 |
| 1885 | — | — | 104 | #130 |
| 1884 | — | — | 112 | #128 |
| 1883 | — | — | 100 | #123 |
| 1882 | — | — | 133 | #111 |
| 1881 | — | — | 111 | #110 |
| 1880 | — | — | 122 | #110 |
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).