Arnulfo
Boy name · #3763 in 2025 · Very rare
How old is the name Arnulfo? In official American birth records, Arnulfo has been tracked continuously since 1909, giving it 116 years of documented American history.
Arnulfo ranks #3763 among American boys' names as of 2025, with 29 newborns given the name that year. A decade ago it stood at #3513, so the name has been falling over the past ten years. Roughly one in every 62,069 boys born in 2025 was named Arnulfo.
The 116-year story
Arnulfo first appears in the Social Security records in 1909, when 5 boys received the name. Its peak came in 1992, when 119 boys were named Arnulfo — good for #987 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Arnulfo per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Arnulfo against up to 5 other names.
Uniqueness: will there be another Arnulfo in class?
On our rarity read — which blends how common Arnulfo is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Arnulfo will likely be the only one in the room, with the occasional spelling-out as the price.
Where Arnulfo is most common
State-level data for Arnulfo is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Arnulfo
Statistically, parents drawn to Arnulfo tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Arnoldo, Adolfo, Rodolfo, Rosendo, and Artemio.
ArnoldoAdolfoRodolfoRosendoArtemioHilarioEdgardoAntonino
Rank history (last 25 years)
| Year | Babies named Arnulfo | Rank |
|---|---|---|
| 2025 | 29 | #3757 |
| 2024 | 17 | #5443 |
| 2023 | 25 | #4220 |
| 2022 | 16 | #5633 |
| 2021 | 23 | #4362 |
| 2020 | 19 | #4855 |
| 2019 | 28 | #3794 |
| 2018 | 23 | #4354 |
| 2017 | 37 | #3123 |
| 2016 | 39 | #2993 |
| 2015 | 31 | #3513 |
| 2014 | 39 | #2929 |
| 2013 | 34 | #3189 |
| 2012 | 43 | #2772 |
| 2011 | 48 | #2547 |
| 2010 | 42 | #2826 |
| 2009 | 54 | #2381 |
| 2008 | 65 | #2104 |
| 2007 | 66 | #2071 |
| 2006 | 76 | #1808 |
| 2005 | 72 | #1801 |
| 2004 | 77 | #1671 |
| 2003 | 86 | #1497 |
| 2002 | 84 | #1498 |
| 2001 | 88 | #1415 |
Frequently asked questions
How old is the name Arnulfo?
In official American birth records, the name Arnulfo first appeared in 1909 (over 116 years ago), when 5 newborn boys received the name. It has been tracked in modern national records for 116 years.
Is Arnulfo a popular boy name?
Arnulfo ranked #3763 among boys in 2025 with 29 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3513.
When was the name Arnulfo most popular?
Arnulfo peaked in 1992, when 119 American boys received the name (ranked #987 that year). Since 1992 the name has declined from that high.
How rare is the name Arnulfo?
In 2025, roughly 1 in 62,069 newborn American boys was named Arnulfo. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.