Sonder
Boy name · #2939 in 2025 · Very rare
Sonder ranks #2939 among American boys' names as of 2025, with 43 newborns given the name that year. It has appeared in the national data since 2020. Roughly one in every 41,860 boys born in 2025 was named Sonder.
The 5-year story
Sonder first appears in the Social Security records in 2020, when 8 boys received the name. Its all-time peak is essentially right now: 2025, with 43 babies and a rank of #2884. 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 Sonder per year. Source: SSA.
Unlock the 5-year forecast and compare Sonder against up to 5 other names.
Uniqueness: will there be another Sonder in class?
On our rarity read — which blends how common Sonder is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Sonder will likely be the only one in the room, with the occasional spelling-out as the price.
Where Sonder is most common
State-level data for Sonder 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 Sonder
Statistically, parents drawn to Sonder tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Statler, Kyzier, Rocker, Eider, and Weller.
StatlerKyzierRockerEiderWellerSalaarKymierAster
Rank history (last 25 years)
| Year | Babies named Sonder | Rank |
|---|---|---|
| 2025 | 43 | #2884 |
| 2024 | 25 | #4200 |
| 2023 | 15 | #5927 |
| 2022 | 17 | #5445 |
| 2021 | 14 | #6032 |
| 2020 | 8 | #8739 |
Frequently asked questions
Is Sonder a popular boy name?
Sonder ranked #2939 among boys in 2025 with 43 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked outside the reported range.
When was the name Sonder most popular?
Sonder peaked in 2025, when 43 American boys received the name (ranked #2884 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Sonder?
In 2025, roughly 1 in 41,860 newborn American boys was named Sonder. 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.