Alfonso
Last seen for girls in 1991 at #11,509 · #1,012 for boys in 2025, 223 births
Given to boys 99.7% of the time
- Peak · boys
- 1929 · 356 births
- Debut · boys
- 6 births
- In top 100 · boys
- neverof 146 years
- Total births · boys
- 41,464since 1881
Alfonso over time
Rank among boys' names. Alfonso has never cracked the top 200 here.
Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.
Show data table
| Year | girls | boys | ||
|---|---|---|---|---|
| rank | births | rank | births | |
| 2025 | — | #1,012 | 223 | |
| 2024 | — | #922 | 251 | |
| 2023 | — | #977 | 224 | |
| 2022 | — | #920 | 252 | |
| 2021 | — | #871 | 265 | |
| 2020 | — | #1,007 | 209 | |
| 2019 | — | #942 | 229 | |
| 2018 | — | #915 | 235 | |
| 2017 | — | #811 | 279 | |
| 2016 | — | #927 | 229 | |
| 2015 | — | #796 | 293 | |
| 2014 | — | #849 | 263 | |
| 2013 | — | #787 | 286 | |
| 2012 | — | #797 | 283 | |
| 2011 | — | #795 | 279 | |
| 2010 | — | #746 | 304 | |
| 2009 | — | #649 | 382 | |
| 2008 | — | #588 | 430 | |
| 2007 | — | #521 | 499 | |
| 2006 | — | #550 | 457 | |
| 2005 | — | #534 | 455 | |
| 2004 | — | #523 | 458 | |
| 2003 | — | #521 | 455 | |
| 2002 | — | #493 | 468 | |
| 2001 | — | #521 | 428 | |
| 2000 | — | #490 | 476 | |
| 1999 | — | #464 | 490 | |
| 1998 | — | #464 | 485 | |
| 1997 | — | #441 | 506 | |
| 1996 | — | #440 | 508 | |
| 1995 | — | #454 | 495 | |
| 1994 | — | #430 | 530 | |
| 1993 | — | #421 | 544 | |
| 1992 | — | #418 | 532 | |
| 1991 | #11,509 | 6 | #395 | 574 |
| 1990 | — | #422 | 537 | |
| 1989 | — | #419 | 496 | |
| 1988 | — | #394 | 502 | |
| 1987 | #8,778 | 7 | #417 | 437 |
| 1986 | #10,912 | 5 | #378 | 488 |
| 1985 | — | #395 | 458 | |
| 1984 | — | #413 | 399 | |
| 1983 | — | #395 | 420 | |
| 1982 | #10,517 | 5 | #392 | 429 |
| 1981 | — | #375 | 460 | |
| 1980 | #10,392 | 5 | #381 | 448 |
| 1979 | — | #385 | 441 | |
| 1978 | #9,750 | 5 | #380 | 415 |
| 1977 | — | #388 | 412 | |
| 1976 | — | #395 | 382 | |
| 1975 | — | #374 | 433 | |
| 1974 | — | #389 | 396 | |
| 1973 | #7,435 | 6 | #369 | 427 |
| 1972 | #5,480 | 9 | #399 | 385 |
| 1971 | — | #395 | 416 | |
| 1970 | #7,070 | 6 | #396 | 408 |
| 1969 | — | #416 | 363 | |
| 1968 | #7,016 | 5 | #408 | 358 |
| 1967 | #6,804 | 5 | #385 | 381 |
| 1966 | — | #391 | 366 | |
| 1965 | — | #401 | 384 | |
| 1964 | — | #407 | 389 | |
| 1963 | — | #403 | 399 | |
| 1962 | #5,860 | 6 | #426 | 353 |
| 1961 | — | #397 | 399 | |
| 1960 | — | #406 | 383 | |
| 1959 | — | #401 | 392 | |
| 1958 | — | #397 | 385 | |
| 1957 | — | #379 | 415 | |
| 1956 | — | #388 | 373 | |
| 1955 | — | #368 | 387 | |
| 1954 | — | #353 | 412 | |
| 1953 | — | #349 | 393 | |
| 1952 | #5,563 | 5 | #362 | 352 |
| 1951 | #4,833 | 6 | #366 | 354 |
| 1950 | — | #358 | 356 | |
| 1949 | #5,244 | 5 | #358 | 352 |
| 1948 | #4,205 | 7 | #345 | 380 |
| 1947 | — | #365 | 354 | |
| 1946 | — | #377 | 299 | |
| 1945 | — | #373 | 261 | |
| 1944 | — | #364 | 274 | |
| 1943 | — | #373 | 269 | |
| 1942 | — | #374 | 264 | |
| 1941 | — | #361 | 262 | |
| 1940 | — | #345 | 272 | |
| 1939 | — | #329 | 282 | |
| 1938 | — | #325 | 291 | |
| 1937 | — | #331 | 270 | |
| 1936 | — | #318 | 287 | |
| 1935 | — | #336 | 265 | |
| 1934 | — | #329 | 271 | |
| 1933 | — | #323 | 277 | |
| 1932 | — | #307 | 323 | |
| 1931 | #3,848 | 6 | #298 | 347 |
| 1930 | #4,550 | 5 | #295 | 373 |
| 1929 | #4,570 | 5 | #294 | 356 |
| 1928 | — | #303 | 335 | |
| 1927 | — | #311 | 340 | |
| 1926 | — | #313 | 326 | |
| 1925 | — | #313 | 331 | |
| 1924 | — | #305 | 353 | |
| 1923 | — | #306 | 343 | |
| 1922 | #4,445 | 6 | #334 | 305 |
| 1921 | — | #329 | 321 | |
| 1920 | — | #348 | 284 | |
| 1919 | — | #394 | 220 | |
| 1918 | — | #390 | 237 | |
| 1917 | — | #372 | 228 | |
| 1916 | — | #378 | 212 | |
| 1915 | — | #396 | 184 | |
| 1914 | — | #384 | 152 | |
| 1913 | — | #325 | 156 | |
| 1912 | — | #329 | 131 | |
| 1911 | — | #328 | 69 | |
| 1910 | — | #318 | 60 | |
| 1909 | — | #302 | 57 | |
| 1908 | — | #365 | 39 | |
| 1907 | — | #328 | 42 | |
| 1906 | — | #394 | 30 | |
| 1905 | — | #337 | 36 | |
| 1904 | — | #360 | 31 | |
| 1903 | — | #430 | 22 | |
| 1902 | — | #426 | 23 | |
| 1901 | — | #394 | 23 | |
| 1900 | — | #375 | 35 | |
| 1899 | — | #613 | 11 | |
| 1898 | — | #473 | 19 | |
| 1897 | — | #556 | 14 | |
| 1896 | — | #551 | 14 | |
| 1895 | — | #685 | 10 | |
| 1894 | — | #857 | 7 | |
| 1893 | — | #768 | 8 | |
| 1892 | — | #688 | 10 | |
| 1891 | — | #597 | 10 | |
| 1890 | — | #994 | 5 | |
| 1889 | — | #789 | 7 | |
| 1888 | — | #815 | 7 | |
| 1887 | — | — | ||
| 1886 | — | #694 | 8 | |
| 1885 | — | — | ||
| 1884 | — | — | ||
| 1883 | — | #644 | 9 | |
| 1882 | — | #837 | 6 | |
| 1881 | — | #781 | 6 | |
| 1880 | — | — | ||
The first year at least five boys were named Alfonso! It came in at #781, and was given to 6 baby boys.
Quietest stretch: 1884–1885, when fewer than 5 boys a year got the name.
See more about Alfonso
- 90 spots since 2024 (#922 → #1,012)
- 5 spots since 2020 (#1,007 → #1,012)
- 216 spots since 2015 (#796 → #1,012)
- Biggest jump: 397 spots in 1891 (#994 → #597)
- Biggest drop: 205 spots in 1890 (#789 → #994)
- Debuted 1881
- Peaked 1929 at #294 (356 births)
- Not yet halved from its peak
- Top 10: never
- Top 100: never
- Top 1,000: 140 yrs · run 1888–2019
- Highest: 1 in 2,877 boys born in 1909 were named Alfonso (0.03%)
- Latest: 1 in 7,660 boys born in 2025 (0.01%)
- Its best rank, #294 in 1929, was only 1 in 3,021 (0.03%) — a smaller share of a much bigger birth year
- 12.5% of all boys named Alfonso (5,201) were born in this decade
Show by decade
| Decade | Births | Best rank | Avg rank |
|---|---|---|---|
| 1880s | 43 | #644 (1883) | #760 |
| 1890s | 108 | #473 (1898) | #678 |
| 1900s | 338 | #302 (1909) | #371 |
| 1910s | 1,649 | #318 (1910) | #361 |
| 1920s | 3,294 | #294 (1929) | #316 |
| 1930s | 2,986 | #295 (1930) | #319 |
| 1940s | 2,987 | #345 (1948) | #364 |
| 1950s | 3,819 | #349 (1953) | #372 |
| 1960s | 3,775 | #385 (1967) | #404 |
| 1970s | 4,115 | #369 (1973) | #387 |
| 1980s | 4,537 | #375 (1981) | #396 |
| 1990s | 5,201 | #395 (1991) | #435 |
| 2000s | 4,508 | #490 (2000) | #539 |
| 2010s | 2,680 | #746 (2010) | #837 |
| 2020s | 1,424 | #871 (2021) | #952 |
All figures count published births only (names given to at least 5 boys in a year). Registrations before 1937 are incomplete, so early shares and totals run low.
Alfonso in 1951
Top girls' names in 1951
Top boys' names in 1951
More about 1951
girls
1,800,859 girls got a published name in 1951; 1 in 300,143 of them was named Alfonso, which outranked 22.2% of the 6,213 girls' names that year. The ten most popular names covered 24.0% of girls (24.6% in 1880, 7.0% in 2025).
- #4,385Zanna7
- #4,385Zilla7
- #4,385Zinda7
- #4,833Alfonso6
- #4,833Adah6
- #4,833Adelfa6
- #4,833Agapita6
- #5,414Abelina5
- #5,414Adlean5
- #5,414Adriene5
Tied with 580 names at #4,833; 3 shown. Tied names share a rank, as in SSA's lists.
Among names in the top 1,000 of either year.
boys
1,882,837 boys got a published name in 1951; 1 in 5,319 of them was named Alfonso, which outranked 91.4% of the 4,253 boys' names that year. The ten most popular names covered 33.8% of boys (44.2% in 1880, 8.0% in 2025).
Among names in the top 1,000 of either year.