Arno vs Arnoldo
American parents have registered 4,713 Arnoldos since 1880, against 1,723 Arnos. But in 2025 it was Arno that was commoner, 27 babies to 26.
Babies given each name, 1880–2025
Arno Arnoldo
Each line is every baby given the name that year, girls and boys added together — the only count that means the same thing for both names. A line breaks where the name fell below five babies in a year — the point at which the SSA stops publishing it — rather than being drawn through a figure nobody published. A single published year in a gap shows as a dot.
Who was ahead
Of the 123 years in which either name was published, Arnoldo for 87 years and Arno for 36 years. The lead changed hands 6 times.
Side by side
| Arno | Arnoldo | |
|---|---|---|
| Total US births | 1,723 | 4,713 |
| Most in one year | 55 | 94 |
| Babies in 2025 | 27 | 26 |
| Estimated living today | 720 | 3,900 |
| Median age today | 48 | 38 |
| Peak year | 1915 | 1992 |
| Best rank | 823rd boys | 1,135th boys |
| Rank in 2025 | 3,949th | 4,050th |
| First recorded | 1888 | 1914 |
| Girls / boys | 0 / 1,723 | 0 / 4,713 |
A rank is a position within one sex’s list for one year, so the two rank rows are not subtracted from one another and the winning column is not marked on them. The living figure is a life-table estimate, not a count.
Which name is older
Half of the Arnos alive today are over 48; half the Arnoldos are over 38. That is 10 years between them: two names in use at the same time, worn by two different generations.
Where each one is strongest
- Arno Wisconsin (18.8×), California (3.3×), Texas (2.2×)
- Arnoldo Texas (9.3×), California (2.4×), Arizona (2.2×)
How much commoner the name is in that state than it is nationally, from births recorded since 1910.
Compare something else
Related comparisons
Social Security Administration birth records, 1880–2025, public domain. Full histories: Arno and Arnoldo.