Rainn
Boy name · #4124 in 2025 · Very rare
Rainn is currently the #4124 boy name in the United States — 26 babies received it in 2025. A decade ago it stood at #12086, so the name has been rising over the past ten years. Roughly one in every 69,231 boys born in 2025 was named Rainn.
Babies named Rainn per year. Source: SSA.
The 17-year story
Rainn first appears in the Social Security records in 2008, when 7 boys received the name. Its peak came in 2021, when 43 boys were named Rainn — good for #2862 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 Rainn against up to 5 other names.
Uniqueness: will there be another Rainn in class?
On our rarity read — which blends how common Rainn is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Rainn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Rainn is most common
State-level data for Rainn 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 Rainn
Statistically, parents drawn to Rainn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Ripken, Revel, Romyn, Rohaan, and Ruhaan.
RipkenRevelRomynRohaanRuhaanNilanRogueRiven
Rank history (last 25 years)
| Year | Babies named Rainn | Rank |
|---|---|---|
| 2025 | 26 | #4050 |
| 2024 | 33 | #3455 |
| 2023 | 28 | #3883 |
| 2022 | 32 | #3533 |
| 2021 | 43 | #2862 |
| 2020 | 30 | #3570 |
| 2019 | 17 | #5340 |
| 2018 | 15 | #5770 |
| 2016 | 6 | #10744 |
| 2015 | 5 | #12086 |
| 2014 | 8 | #8781 |
| 2013 | 11 | #7026 |
| 2012 | 8 | #8864 |
| 2010 | 9 | #8139 |
| 2009 | 8 | #8985 |
| 2008 | 7 | #9871 |
Frequently asked questions
Is Rainn a popular boy name?
Rainn ranked #4124 among boys in 2025 with 26 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #12086.
When was the name Rainn most popular?
Rainn peaked in 2021, when 43 American boys received the name (ranked #2862 that year). Since 2021 the name has declined from that high.
How rare is the name Rainn?
In 2025, roughly 1 in 69,231 newborn American boys was named Rainn. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.