Oslo
Boy name · #1972 in 2025 · Uniqueness 41/100
In 2025, 78 baby boys were named Oslo, placing it at #1972 in the official national rankings. A decade ago it stood at #5507, so the name has been rising over the past ten years. Roughly one in every 23,077 boys born in 2025 was named Oslo.
The 18-year story
Oslo first appears in the Social Security records in 2007, when 7 boys received the name. Its all-time peak is essentially right now: 2022, with 94 babies and a rank of #1760. 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.
Babies named Oslo per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Oslo against up to 5 other names.
Uniqueness: will there be another Oslo in class?
Oslo scores 41 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "distinctive" band. That middle band is the sweet spot many parents hunt for: recognizable without being everywhere.
Where Oslo is most common
Geography matters for names, and Oslo is no exception. In 2025 the states with the most Oslos were CA (7), UT (6), CO (5), FL (5), MN (5). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Oslo
Statistically, parents drawn to Oslo tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kailo, Melo, Xylo, Zylo, and Miklo.
KailoMeloXyloZyloMikloRyloAstroKamilo
Rank history (last 25 years)
| Year | Babies named Oslo | Rank |
|---|---|---|
| 2025 | 78 | #1959 |
| 2024 | 82 | #1921 |
| 2023 | 87 | #1832 |
| 2022 | 94 | #1760 |
| 2021 | 51 | #2552 |
| 2020 | 38 | #3025 |
| 2019 | 29 | #3716 |
| 2018 | 22 | #4476 |
| 2017 | 14 | #6060 |
| 2016 | 12 | #6726 |
| 2015 | 16 | #5507 |
| 2014 | 10 | #7562 |
| 2013 | 5 | #12136 |
| 2012 | 13 | #6306 |
| 2011 | 6 | #10808 |
| 2010 | 5 | #12231 |
| 2009 | 12 | #6802 |
| 2007 | 7 | #9788 |
Frequently asked questions
Is Oslo a popular boy name?
Oslo ranked #1972 among boys in 2025 with 78 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #5507.
When was the name Oslo most popular?
Oslo peaked in 2022, when 94 American boys received the name (ranked #1760 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Oslo?
In 2025, roughly 1 in 23,077 newborn American boys was named Oslo. It scores 41/100 on our uniqueness scale (rarity blended with momentum), which we classify as "distinctive".
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.