Oslo
Boy name · #1972 in 2025 · Very rare
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. Source: SSA.
Unlock the 5-year forecast and compare Oslo against up to 5 other names.
Uniqueness: will there be another Oslo in class?
On our rarity read — which blends how common Oslo is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Oslo will likely be the only one in the room, with the occasional spelling-out as the price.
Where Oslo is most common
State-level data for Oslo 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 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. 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.