Josai
- Gender
- Boy
- Say it
- joh-SY
- Origin
- Modern
- US rank, 2025
- #4,538 for boys
Josai is a boys' name of Modern origin. In 2025 it ranked 4,538th for boys in the US (22 babies).
Where does Josai come from?
Modern: modern coinage, perhaps based on Josiah
Is Josai a girl's or a boy's name?
Josai is a boys' name. In 2025, it was given to 22 boys in the US. Too few girls were given it to be listed.
How popular is Josai in the US?
- Rank in 2025
- 4,538th among boys
- Babies in 2025
- 22 about 1 in 78,000 boys
- Five-year trend
- Rising fast up 207% in five years
- Same name in a class
- under 1% chance among 15 boys
In 2025, 22 boys in the US were named Josai, making it the 4,538th most popular name for boys. Five years earlier, in 2020, it was 12,016th. It first appears in the records in 2005.
2025 had the most boys named Josai of any year since it first appeared, in 2005.
Half of all the boys named Josai in the US since 1880 were born between 2017 and 2024, the years shaded on the chart below.
Josai in the US, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 22 | #4,538 |
| 2024 | 12 | #6,827 |
| 2023 | 12 | #6,892 |
| 2022 | 5 | #12,322 |
| 2021 | 6 | #10,794 |
| 2020 | 5 | #12,016 |
| 2019 | 10 | #7,638 |
| 2018 | 0 | – |
| 2017 | 9 | #8,136 |
| 2016 | 0 | – |
| 2015 | 0 | – |
| 2014 | 0 | – |
| 2013 | 6 | #10,722 |
| 2012 | 0 | – |
| 2011 | 0 | – |
| 2010 | 0 | – |
| 2009 | 0 | – |
| 2008 | 5 | #12,546 |
| 2007 | 0 | – |
| 2006 | 0 | – |
| 2005 | 5 | #11,464 |
Names like Josai
Names given in the same years and the same naming tradition, with a similar sound.
Moses, Jasper, Amos, Major, Jettson, Jasai, Jakai, Alonzo, Santiel, Ares, Truce, Ezra
Names related to Josai
More Modern names
Jayden, Ailany, Myla, Kayden, Nevaeh, Jax, Indie, Miley, Raelynn, Kaiden, Kehlani, Alayna, Caden, Zayden, Wrenley, Mya
Sources
Figures from Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Josai: name meaning, origin and popularity”, https://www.nameling.co.uk/names/josai, updated 20 October 2026.