Diago
Boy name · #4020 in 2025 · Very rare
How old is the name Diago? In official American birth records, Diago has been tracked continuously since 1996, giving it 29 years of documented American history.
Diago ranks #4020 among American boys' names as of 2025, with 27 newborns given the name that year. A decade ago it stood at #5289, so the name has been rising over the past ten years. Roughly one in every 66,667 boys born in 2025 was named Diago.
Babies named Diago per year. Source: Official national birth records.
The 29-year story
Diago first appears in the Social Security records in 1996, when 5 boys received the name. Its peak came in 2021, when 40 boys were named Diago — good for #3021 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.
Unlock the 5-year forecast and compare Diago against up to 5 other names.
Uniqueness: will there be another Diago in class?
On our rarity read — which blends how common Diago is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Diago will likely be the only one in the room, with the occasional spelling-out as the price.
Where Diago is most common
State-level data for Diago 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 Diago
Statistically, parents drawn to Diago tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Tiago, Dayan, Dinero, Draco, and Amilio.
TiagoDayanDineroDracoAmilioDuvidDreuxDawood
Rank history (last 25 years)
| Year | Babies named Diago | Rank |
|---|---|---|
| 2025 | 27 | #3949 |
| 2024 | 26 | #4072 |
| 2023 | 33 | #3474 |
| 2022 | 23 | #4442 |
| 2021 | 40 | #3021 |
| 2020 | 14 | #5980 |
| 2019 | 16 | #5555 |
| 2018 | 18 | #5106 |
| 2017 | 20 | #4746 |
| 2016 | 21 | #4624 |
| 2015 | 17 | #5289 |
| 2014 | 10 | #7562 |
| 2013 | 8 | #8789 |
| 2012 | 7 | #9709 |
| 2010 | 7 | #9693 |
| 2009 | 10 | #7692 |
| 2008 | 6 | #11037 |
| 2007 | 7 | #9788 |
| 2006 | 12 | #6460 |
| 2005 | 18 | #4631 |
| 2004 | 15 | #5246 |
| 2003 | 9 | #7245 |
| 2002 | 8 | #7643 |
| 2001 | 13 | #5390 |
| 2000 | 7 | #8209 |
Frequently asked questions
How old is the name Diago?
In official American birth records, the name Diago first appeared in 1996 (over 29 years ago), when 5 newborn boys received the name. It has been tracked in modern national records for 29 years.
Is Diago a popular boy name?
Diago ranked #4020 among boys in 2025 with 27 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #5289.
When was the name Diago most popular?
Diago peaked in 2021, when 40 American boys received the name (ranked #3021 that year). Since 2021 the name has declined from that high.
How rare is the name Diago?
In 2025, roughly 1 in 66,667 newborn American boys was named Diago. 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.