Home / Name Directory / Alfonso
How Many People Are Named Alfonso?
Estimated people named Alfonso living in the U.S. today
29,633
Gender distribution
100% male · 0% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 41,353
- Peak year: 1991 (580 births)
- Estimated living today: 29,633
Alfonso by age group — who carries the name today?
Alfonso popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Alfonso
Alfonso has been recorded by the Social Security Administration since the 19th century dataset began. In total, 41,353 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 29,633 bearers are still living — roughly 1 in 11,534 Americans. The name's strongest decade shapes how old most Alfonsos you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Alfonso in the US?
An estimated 29,633 people named Alfonso are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Alfonso rare — about 1 in 11,534 Americans.
Is Alfonso a boy or girl name?
In SSA records, Alfonso is 100% male and 0% female, so it is predominantly a male name.
When was Alfonso most popular?
Alfonso peaked in 1991, when 580 babies were given the name. Its current trend is declining compared with the previous decade.
How rare is the name Alfonso?
Alfonso ranks #1,262 of 104,819 first names recorded by the SSA, with a rarity score of 48 out of 100 (higher means rarer).