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Josias

#950 in 2025Boys' name

Form of Josiah

Josias has been given to 3,517 babies in the U.S. since 1975. In 2025 it ranked #950 of 13,926 boys’ names in use. Its peak year was 2025, with 247 recorded.

Babies named Josias, 2025

1 in 13,400

Josias over time, 1880–2025

Boys
010020030018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Josias: meaning, origin, and history

Form of Josiah

Hebrew

What Josias means

Josias is a form of Josiah.

Meaning behind the documented name family

The name developed through Josias → Josiah. The family’s meaning is “Yahweh supports”, recorded in the naming reference for Josiah.

Origin, language, and formation

Josias is used in English and Portuguese. Its origins include Hebrew.

Related names and everyday forms

Related names include Josiah.

Pronunciation and spelling

In Portuguese, Josias is pronounced /ʒoˈzi.ɐs/.

American usage and historical context

In the United States, 3,517 boys were recorded with the name Josias between 1975 and 2025. Its highest annual count was 247 in 2025; its best national rank was #950 in 2025.

Over 5 years its rank rose, from #1,031 in 2020 to #950 in 2025. Over 10 years its rank rose, from #1,236 in 2015 to #950 in 2025.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Josias?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 13,400
247 of 3,315,165 births
Among boys only
1 in 6,910
0.01% of boys
Rank, 2025
#950
of 13,926 boys’ names in use
Coin-flip room size
9,304 kids
Even odds of a second one

Where Josias sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 5004%

Put another way: gather 9,304 children born in 2025 and it's an even bet that one of them is another Josias. In a class of 30 the chance is Under 1%.

When Josiass were born

Half of everyone ever recorded as Josias was born before 2016 — so the typical Josias is around 9 today.

Median birth year
2016
About 9 years old
Biggest decade
2010s
35.4% of all use
Born in the last 25 years
88.3%
A modern name
Recorded since 1950
3,517
People you could plausibly meet
Choose a decade

2010s — 35.4% of all recorded uses (1,245).

Is Josias rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
+89
Places climbed
Rank vs 5 years ago
+81
Places climbed
Rank vs 10 years ago
+286
Places climbed
Births vs 10 years ago
1.67×
More babies than then
Share of its own peak
100.0%
Peak was 2025 (247)
Years since peak
Peaking now
At its all-time high
Year-to-year steadiness
Shifting
15.7% average annual change
Best rank ever
#950
2025

Spellings of Josias

Josias is not the most common spelling — Josiah is, with 62.8% against Josias's 1.5%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Josias is used

Across 2016–2025, Josias was most concentrated in Maryland — about 1 in 5,556 boys, against 1 in 10,100 across all states with data. It was least common in Ohio (1 in 100,000).

118 per 100,000

Most concentrated

  1. 1Maryland1 in 5,556
  2. 2Texas1 in 5,882
  3. 3North Carolina1 in 6,250
  4. 4Florida1 in 7,143
  5. 5Virginia1 in 7,692
  6. 6California1 in 8,333
  7. 7Georgia1 in 8,333
  8. 8New Jersey1 in 8,333

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings.

Josias around the world

Where Josias ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    2005–2025
    #4,275
    in 2025
  • France
    1972–2025
    #2,447
    in 2025
  • Canada
    2011–2024
    #2,328
    in 2024
  • South Australia
    1994–2002
    #606
    in 2002

Popularity data from Office for National Statistics, Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence. CBS SA data under CC BY 4.0.

Notable people named Josias

People whose public names include Josias, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Josias in other languages

Cross-language forms and variants of Josias. Linked forms have their own page here.

JosiahGiosia

Variant forms from Wikidata (CC0). Most are used mainly outside the United States; U.S. birth records statistics cover US usage only.

Josias by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
#950
Trend vs 5 yrs ago
Up 81
Best rank ever
#950
2025
Peak year
2025
247 that year
First recorded
1975
Last recorded
2025
All-time count
3,517
Count in 2025
247

Names similar to Josias

Matched on shared beginnings and endings, similar length, and comparable popularity.

JospehJoshuahJoshueJostinJosmarJossueErmiasJoseluisJosefJosielJosyahJoseyAmiasJosianMattiasJosiyahJoseanOziasAbdiasJosieEsaiasJosethJosafatJosaiah

Names with a curve like Josias

Not spelling — timing. These names rose, peaked and faded in the same years as Josias, so they read as being from the same moment even when they look nothing alike.

LaithIsaKyrenBoazTiagoAdlerJahmirEitanOsirisMattiasGenesisAyman

Sibling names for Josias

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Josias

Top names of 2025, Josias's peak yearThe 2020s in fullOther names that peaked in 2025Boys' names starting with J