Masaru
given name · Latin script
Recorded as a male name· opposite-gender records fall within measured source noise
Masaru is a given name written in the Latin script, with more bearers in Japan than in any other country. Recorded meaning: ‘Victorious’; ‘intelligent’.
- JPJapan≈1 in 1.3K(inferred from the name graph)
- USUnited States1 in 942K
- EEEstonia≈1 in 117K
carrying the name, as counted by its national register where one exists and as Mondonomo estimates it elsewhere (marked ≈ and "est." on hover). One hue, darker where it is more common; hover a country for its figure.
- Japan (inferred from the name graph)
- 3 (measured from records)
- Sources
- 137 (measured from records)
- ≈1 in 1.3K (inferred from the name graph)
≈95,000 people, est.
recorded for this name
Highest-authority source
Japan, est.
measured from records inferred from the name graph
Spellings & scripts(measured from records)
Spellings marked ● are how people bearing the name write it in our records, and ○ marks a model's transliteration; click a spelling to open its page.
Meaning & origin(measured from records)
‘Victorious’; ‘intelligent’.
Sources 1
- A concise dictionary of first names
Attested across 3 languages in the etymology graph.
Where in the world(measured from records)
Masaru counted together with the spellings and other-language forms grouped with it. Where a register counted another spelling, the row names it.
Sorted by bearers: national registers' counts, and Mondonomo's estimates (≈, est.) where no register counts.
| Country | Most common spelling | Sources | ||||
|---|---|---|---|---|---|---|
| JP Japan | #179 | ≈95,000 est. | ≈1 in 1.3K | — | Masaru | 137 |
| CN China | — | ≈5,500 est. | ≈1 in 253K | — | Masaru | 13 |
| US United States | — | 353 | 1 in 942K | 352 | Masaru | 132 |
| BR Brazil | — | 90 | 1 in 2.4M | 100 | — | — |
| CA Canada | — | ≈88 est. | ≈1 in 430K | 1 | Masaru | 24 |
| AU Australia | — | ≈60 est. | ≈1 in 426K | 1 | — | — |
| SG Singapore | — | ≈30 est. | ≈1 in 208K | — | Masaru | 15 |
| EE Estonia | — | ≈10 est. | ≈1 in 117K | listed | — | 2 |
Exact figures are national registers' own counts, while figures marked ≈ and est. are Mondonomo’s estimates, counted from our sources and calibrated against those registers; hover one for how far to trust it in that country. A dash means neither exists.
Registers cited: Census Bureau — First Name Frequency 2020 by sex; Alberta Open Government — Frequency and Ranking of Baby Names by Year and Gender; IBGE — names by decade (Kaggle mirror); Brasil.IO genero-nomes (IBGE Censo 2010 mirror, CC-BY-SA); SA BDM — Popular baby names South Australia (1944–present). Figures without a register are Mondonomo estimates; see Methodology.
Country figures for a list of names, at full precision, are available under licence rather than by scraping this table (how that works).
Notable people with this name(measured from records)
- Inoue Masarub. 1843JPJapanese politician (1843-1910)
- Masaru Ibukab. 1908JPJapanese businessman (1908–1997)
- Masaru Satob. 1928JPJapanese composer (1928–1999)
- Tomisaburō Wakayamab. 1929JPnot in their usual nameactor (1929-1992)
- Masaru Furukawab. 1936JPswimmer (1936–1993)
- Masaru Konumab. 1937JPJapanese film director (1937–2023)
- Masaru Emotob. 1943JPJapanese writer
- Masaru Hamaguchib. 1972JPJapanese owarai talent and YouTuber (1972-)
- Masaru Takamizawab. 1981JPJapanese long-distance runner, coach
- Masaru IragoJPJapanese mangaka
The ten people covered by the most Wikipedia language editions — a proxy for cross-cultural notability, which favours historical and Western figures over equally prominent contemporary ones — shown by birth year. Source: Wikidata (CC0).
Evidence(measured from records)
Attested in 27 sources across 17 countries.
| Country | Register | Year | Count | Rank |
|---|---|---|---|---|
| BR Brazil | IBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname) | — | 59 | #93,298 |
| US United States | wru Name Dictionary — US surnames, voter-file supplement (Khanna et al.) | — | — | — |
Reference works 3
- Dictionary of American Family Names
- Wikipedia given-name tokens
- Wikipedia surname tokens
These works list the name; their figures are licensed and are not reproduced here.
Register rows as of the 2026-10-09 data build.
Frequently asked questions
- What does the name Masaru mean, and where does it come from?
- ‘Victorious’; ‘intelligent’. Recorded by A concise dictionary of first names.
- Is Masaru a male or female name?
- Masaru is a male name in our records. Opposite-gender entries fall within the cross-gender noise we measure in the source data, so we don't report them as usage.
- In which country does Masaru have the most bearers?
- Mondonomo estimates about 95 thousand people named Masaru in Japan, more than in any other country we hold, where it is most often spelled masaru.
- How common is the name Masaru?
- In the United States, the national register counted 353 people named Masaru in 2020, about 1 in 942 thousand residents.
- How common is Masaru compared with other names?
- In Japan, Masaru is the 179th most common given name of 366,905 given names recorded there.
What do you want to know about Masaru?
Nobody replies to these one by one, but what readers ask decides what these pages answer next.
Query this name via API
curl https://api.mondonomo.ai/api/v1/name-graph/masaruThe same payload this page is built from: spellings and scripts, countries and languages, related names, and the registers that attest the form. Rate-limited for casual use; a free API key gives 1,000 requests a day, and bulk access is licensed separately.
About this data
measured from records inferred from the name graph machine-generated
These figures come from the data snapshot of and will change as it is rebuilt.
Statistics are aggregated from the Mondonomo name corpus; related names and etymology are inferred from the name graph; pronunciation and any machine-marked transliterations are model-generated. Read how the numbers are made, including their known failure modes, and where the data comes from.
Reference works we consult — surname dictionaries, official name registers, Wikidata and Wiktionary — are named directly, beside the claims they support. The per-country source counts also include datasets of person records: we publish how many there are and their authority tier, but not their names.
Cite this page Mondonomo, “Masaru” — the 179th most common given name in Japan. Data snapshot 2026-10-10.