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Masa

#4,040 in 2025Girls' name

Diminutive of Matti

Masa has been given to 545 babies in the U.S. since 1919. In 2025 it ranked #4,040 of 17,293 girls’ names in use. Its peak year was 2023, with 66 recorded.

Babies named Masa, 2025

1 in 92,100

Masa over time, 1880–2025

GirlsBoys
02040608018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Masa: meaning, origin, and history

Diminutive of Matti

Japanese

What Masa means

Masa is a diminutive of Matti.

Origin, language, and formation

Masa is used in English, Atayal, Faroese and Finnish. Its origins include Japanese.

Masa comes through Japanese まさ.

Related names and everyday forms

Related names include Matti.

Pronunciation and spelling

In Finnish, Masa is pronounced /ˈmɑsɑ/.

American usage and historical context

In the United States, 533 girls were recorded with the name Masa between 1919 and 2025. Its highest annual count was 66 in 2023; its best national rank was #2,663 in 2023.

Over 5 years its rank fell, from #3,761 in 2020 to #4,040 in 2025. Over 10 years its rank rose, from #5,772 in 2015 to #4,040 in 2025.

In the United States, 12 boys were recorded with the name Masa between 1919 and 2010. Its highest annual count was 7 in 2010; its best national rank was #4,563 in 1919.

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 Masa?

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

Among all babies, 2025
1 in 92,100
36 of 3,315,165 births
Among girls only
1 in 44,600
<0.01% of girls
Rank, 2025
#4,040
of 17,293 girls’ names in use
Coin-flip room size
63,832 kids
Even odds of a second one

Where Masa sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

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 500Under 1%

Put another way: gather 63,832 children born in 2025 and it's an even bet that one of them is another Masa. In a class of 30 the chance is Under 1%.

When Masas were born

Half of everyone ever recorded as Masa was born before 2020 — so the typical Masa is around 5 today.

Median birth year
2020
About 5 years old
Biggest decade
2020s
50.3% of all use
Born in the last 25 years
97.9%
A modern name
Recorded since 1950
522
People you could plausibly meet
Choose a decade

2020s — 50.3% of all recorded uses (268).

Is Masa 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
−1,038
Places dropped
Rank vs 5 years ago
−279
Places dropped
Rank vs 10 years ago
+1,732
Places climbed
Births vs 10 years ago
1.57×
More babies than then
Share of its own peak
54.5%
Peak was 2023 (66)
Years since peak
2
Years
Year-to-year steadiness
Volatile
41.7% average annual change
Best rank ever
#2,663
2023

Spellings of Masa

Masa is not the most common spelling — Mary is, with 43.0% against Masa's <0.01%.

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 Masa is used

Across 1910–2025, Masa was most concentrated in California — about 1 in — girls, against 1 in 626,810 across all states with data. It was least common in Texas (1 in —).

00 per 100,000

Most concentrated

  1. 1California1 in —
  2. 2Florida1 in —
  3. 3Illinois1 in —
  4. 4Michigan1 in —
  5. 5New York1 in —
  6. 6Ohio1 in —
  7. 7Texas1 in —

Shading is the share of that state's recorded girls 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. Masa has too little recent state data to map, so this covers all years from 1910.

Masa around the world

Where Masa 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
    2008–2025
    #1,362
    in 2025
  • Scotland
    2025–2025
    #632
    in 2025
  • Ireland
    2021–2024
    #898
    in 2024
  • France
    2017–2020
    #6,500
    in 2020
  • Canada
    2007–2024
    #1,469
    in 2024
  • South Australia
    1978–1997
    #681
    in 1997

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

Masa by the numbers

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

As a girl's name

Rank in 2025
#4,040
Trend vs 5 yrs ago
Down 279
Best rank ever
#2,663
2023
Peak year
2023
66 that year
First recorded
1919
Last recorded
2025
All-time count
533
Count in 2025
36

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#4,563
1919
Peak year
2010
7 that year
First recorded
1919
Last recorded
2010
All-time count
12
Count in 2025
Under 5

Names similar to Masa

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

MashaMasieMasynMassaMaseyMasonHadasaMasinaMasiyahMasakoAsaJasaMasaeMassieMasalMasaniMasenLeasaMassielMashellMasielMasaiRasaMashal

Sibling names for Masa

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 Masa

Top names of 2023, Masa's peak yearThe 2020s in fullOther names that peaked in 2023Girls' names starting with M