Mosiah
Boy name · #2969 in 2025 · Very rare
How old is the name Mosiah? In official American birth records, Mosiah has been tracked continuously since 1989, giving it 36 years of documented American history.
In 2025, 42 baby boys were named Mosiah, placing it at #2969 in the official national rankings. A decade ago it stood at #3513, so the name has been rising over the past ten years. Roughly one in every 42,857 boys born in 2025 was named Mosiah.
The 36-year story
Mosiah first appears in the Social Security records in 1989, when 5 boys received the name. Its all-time peak is essentially right now: 2024, with 48 babies and a rank of #2715. 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 Mosiah per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Mosiah against up to 5 other names.
Uniqueness: will there be another Mosiah in class?
On our rarity read — which blends how common Mosiah is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Mosiah will likely be the only one in the room, with the occasional spelling-out as the price.
Where Mosiah is most common
State-level data for Mosiah 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 Mosiah
Statistically, parents drawn to Mosiah tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Masiah, Jeziah, Massiah, Uzziah, and Nasiah.
MasiahJeziahMassiahUzziahNasiahJahsiahJaziahEsiah
Rank history (last 25 years)
| Year | Babies named Mosiah | Rank |
|---|---|---|
| 2025 | 42 | #2941 |
| 2024 | 48 | #2715 |
| 2023 | 35 | #3347 |
| 2022 | 36 | #3278 |
| 2021 | 35 | #3297 |
| 2020 | 41 | #2886 |
| 2019 | 41 | #2943 |
| 2018 | 43 | #2796 |
| 2017 | 44 | #2755 |
| 2016 | 35 | #3230 |
| 2015 | 31 | #3513 |
| 2014 | 23 | #4263 |
| 2013 | 21 | #4463 |
| 2012 | 20 | #4686 |
| 2011 | 21 | #4509 |
| 2010 | 28 | #3708 |
| 2009 | 23 | #4278 |
| 2008 | 20 | #4714 |
| 2007 | 21 | #4493 |
| 2006 | 18 | #4865 |
| 2005 | 12 | #6226 |
| 2004 | 23 | #3860 |
| 2003 | 20 | #4114 |
| 2002 | 18 | #4322 |
| 2001 | 18 | #4302 |
Frequently asked questions
How old is the name Mosiah?
In official American birth records, the name Mosiah first appeared in 1989 (over 36 years ago), when 5 newborn boys received the name. It has been tracked in modern national records for 36 years.
Is Mosiah a popular boy name?
Mosiah ranked #2969 among boys in 2025 with 42 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3513.
When was the name Mosiah most popular?
Mosiah peaked in 2024, when 48 American boys received the name (ranked #2715 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Mosiah?
In 2025, roughly 1 in 42,857 newborn American boys was named Mosiah. 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.