Ronaldo
Boy name · #1980 in 2025 · Very rare
How old is the name Ronaldo? In official American birth records, Ronaldo has been tracked continuously since 1914, giving it 111 years of documented American history.
Ronaldo is currently the #1980 boy name in the United States — 77 babies received it in 2025. A decade ago it stood at #1162, so the name has been falling over the past ten years. Roughly one in every 23,377 boys born in 2025 was named Ronaldo.
The 111-year story
Ronaldo first appears in the Social Security records in 1914, when 6 boys received the name. Its peak came in 1998, when 359 boys were named Ronaldo — good for #552 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 Ronaldo per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Ronaldo against up to 5 other names.
Uniqueness: will there be another Ronaldo in class?
On our rarity read — which blends how common Ronaldo is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Ronaldo will likely be the only one in the room, with the occasional spelling-out as the price.
Where Ronaldo is most common
State-level data for Ronaldo 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 Ronaldo
Statistically, parents drawn to Ronaldo tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Osvaldo, Oswaldo, Reynaldo, Aldo, and Everardo.
OsvaldoOswaldoReynaldoAldoEverardoRaymundoBraulioRomello
Rank history (last 25 years)
| Year | Babies named Ronaldo | Rank |
|---|---|---|
| 2025 | 77 | #1976 |
| 2024 | 81 | #1938 |
| 2023 | 84 | #1875 |
| 2022 | 85 | #1861 |
| 2021 | 81 | #1884 |
| 2020 | 83 | #1798 |
| 2019 | 83 | #1823 |
| 2018 | 103 | #1593 |
| 2017 | 119 | #1439 |
| 2016 | 129 | #1373 |
| 2015 | 160 | #1162 |
| 2014 | 161 | #1166 |
| 2013 | 148 | #1211 |
| 2012 | 144 | #1226 |
| 2011 | 154 | #1159 |
| 2010 | 204 | #969 |
| 2009 | 196 | #1004 |
| 2008 | 179 | #1058 |
| 2007 | 212 | #934 |
| 2006 | 264 | #784 |
| 2005 | 201 | #896 |
| 2004 | 240 | #759 |
| 2003 | 236 | #755 |
| 2002 | 224 | #770 |
| 2001 | 167 | #926 |
Frequently asked questions
How old is the name Ronaldo?
In official American birth records, the name Ronaldo first appeared in 1914 (over 111 years ago), when 6 newborn boys received the name. It has been tracked in modern national records for 111 years.
Is Ronaldo a popular boy name?
Ronaldo ranked #1980 among boys in 2025 with 77 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1162.
When was the name Ronaldo most popular?
Ronaldo peaked in 1998, when 359 American boys received the name (ranked #552 that year). Since 1998 the name has declined from that high.
How rare is the name Ronaldo?
In 2025, roughly 1 in 23,377 newborn American boys was named Ronaldo. 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.