Josaiah
Josaiah was given to 14 boys in 2025, #6,261 among boys’ names; 443 Americans have been recorded with it since 1996 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Josaiah by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
How popular is Josaiah?
#6,261 among boys’ names, 2025
Josaiah fell from #5,617 in 2015 to #6,261 in 2025 among boys’ names; its share of boys born fell from 8.3 to 8.2 per million.
25 babies in 2008, the peak
Josaiah peaked in 2008, when 25 boys were given it, #4,082 among boys’ names. The 14 births of 2025 are 56% of that peak.
| Year | Births | Rank | Per million boys |
|---|---|---|---|
| 2025 | 14 | #6,261 | 8.2 |
| 2024 | 7 | #10,359 | 4.1 |
| 2023 | 11 | #7,491 | 6.4 |
| 2022 | 16 | #5,730 | 9.2 |
| 2021 | 16 | #5,656 | 9.1 |
| 2020 | 19 | #4,936 | 11.0 |
| 2019 | 13 | #6,584 | 7.2 |
| 2018 | 17 | #5,409 | 9.4 |
| 2017 | 10 | #7,846 | 5.4 |
| 2016 | 16 | #5,660 | 8.4 |
Every recorded year (30)
| Year | Births | Rank | Per million boys |
|---|---|---|---|
| 2015 | 16 | #5,617 | 8.3 |
| 2014 | 17 | #5,365 | 8.9 |
| 2013 | 22 | #4,386 | 11.6 |
| 2012 | 20 | #4,781 | 10.5 |
| 2011 | 16 | #5,544 | 8.4 |
| 2010 | 22 | #4,436 | 11.5 |
| 2009 | 15 | #5,941 | 7.6 |
| 2008 | 25 | #4,082 | 12.3 |
| 2007 | 22 | #4,429 | 10.6 |
| 2006 | 18 | #4,952 | 8.8 |
| 2005 | 19 | #4,548 | 9.5 |
| 2004 | 11 | #6,743 | 5.5 |
| 2003 | 17 | #4,701 | 8.6 |
| 2002 | 11 | #6,295 | 5.7 |
| 2001 | 13 | #5,511 | 6.7 |
| 2000 | 11 | #6,104 | 5.6 |
| 1999 | 10 | #6,258 | 5.2 |
| 1998 | 5 | #10,412 | 2.6 |
| 1997 | 7 | #7,669 | 3.7 |
| 1996 | 7 | #7,518 | 3.7 |
Ranks and shares: boys’ names in each year’s SSA file; share of all boys SSA recorded that year.
Is Josaiah a boy’s or a girl’s name?
Josaiah has been recorded only for boys: SSA lists no girls with the name in 30 years of records (it lists a name only in years with 5 or more babies of a sex).
Girls and boys named Josaiah: the SSA national file counts each sex separately.
How many people are named Josaiah, and how old are they?
An estimated 438 Americans named Josaiah and born in the U.S. are alive in 2026 (99% of everyone recorded); the median is 15 years old and half are between 8 and 20. An estimate from SSA’s births and life tables, not a count.
The 2020 Census counted 359 people named Josaiah (16 women and girls, 343 men and boys). SSA’s births carried forward to Census day, April 1, 2020, predict 361 born in the U.S. The Census count is 1% below that prediction.
Living estimate: SSA births carried forward with the survival rates in SSA’s cohort life tables (2024 Trustees Report) for each birth year and sex. How the estimate is made. Count: Census Bureau, first names in the 2020 Census (released April 14, 2026; names reported 100 or more times, with the Bureau’s disclosure-avoidance adjustment).
Names spelled alike
Of these 8 names spelled alike, given to 152,326 babies since 1880, Josaiah is the fifth most given (<1% of them). In 2025 it was given to 14 of their 5,636 babies (<1%), again the fifth most given.
Spelled alike: names in the SSA national file with the same pattern of letters and sounds and at most two letters apart, and Wiktionary’s listed forms; births since 1880 and in 2025, and each name’s peak year, from the SSA national file, published May 8, 2026. Some are separate names, not spellings of one.
Names that rose and fell in the same decades as Josaiah
Names whose births rose and fell across the same decades, measured on each decade’s share of births.
Similar histories: each decade’s share of births, from the SSA national file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
More about Josaiah and names like it
- Compare Josaiah and JosiahBirths, ranks, peak and the living estimate side by side.
- The most given names of the 2000sJosaiah peaked in 2008.
- California’s most given namesThe state where SSA recorded the most babies named Josaiah since 1910.
- The top names of 2008The year the most babies were named Josaiah.
- The names of Generation ZMost people named Josaiah alive today were born 1997-2012.
- Names starting with JMost given first.