Rui
Boy name · #2653 in 2025 · Very rare
How old is the name Rui? In official American birth records, Rui has been tracked continuously since 1967, giving it 58 years of documented American history.
Rui is currently the #2653 boy name in the United States — 49 babies received it in 2025. A decade ago it stood at #4890, so the name has been rising over the past ten years. Roughly one in every 36,735 boys born in 2025 was named Rui.
Babies named Rui per year. Source: Official national birth records.
The 58-year story
Rui first appears in the Social Security records in 1967, when 5 boys received the name. Its all-time peak is essentially right now: 2024, with 62 babies and a rank of #2288. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. 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 Rui against up to 5 other names.
Uniqueness: will there be another Rui in class?
On our rarity read — which blends how common Rui is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Rui will likely be the only one in the room, with the occasional spelling-out as the price.
Where Rui is most common
State-level data for Rui 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 Rui
Statistically, parents drawn to Rui tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Rafi, Roi, Ram, Uri, and Rai.
Rank history (last 25 years)
| Year | Babies named Rui | Rank |
|---|---|---|
| 2025 | 49 | #2641 |
| 2024 | 62 | #2288 |
| 2023 | 47 | #2737 |
| 2022 | 42 | #2962 |
| 2021 | 34 | #3362 |
| 2020 | 30 | #3570 |
| 2019 | 21 | #4639 |
| 2018 | 18 | #5106 |
| 2017 | 13 | #6338 |
| 2016 | 18 | #5124 |
| 2015 | 19 | #4890 |
| 2014 | 19 | #4866 |
| 2013 | 18 | #4981 |
| 2012 | 10 | #7559 |
| 2011 | 27 | #3792 |
| 2010 | 13 | #6359 |
| 2009 | 9 | #8310 |
| 2008 | 24 | #4145 |
| 2007 | 19 | #4808 |
| 2006 | 18 | #4865 |
| 2005 | 9 | #7640 |
| 2004 | 7 | #8927 |
| 2003 | 12 | #5877 |
| 2002 | 10 | #6522 |
| 2001 | 8 | #7536 |
Frequently asked questions
How old is the name Rui?
In official American birth records, the name Rui first appeared in 1967 (over 58 years ago), when 5 newborn boys received the name. It has been tracked in modern national records for 58 years.
Is Rui a popular boy name?
Rui ranked #2653 among boys in 2025 with 49 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #4890.
When was the name Rui most popular?
Rui peaked in 2024, when 62 American boys received the name (ranked #2288 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Rui?
In 2025, roughly 1 in 36,735 newborn American boys was named Rui. 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.