Boy · #3,518 in 2026

Mamoru

Mamoru is a masculine Japanese given name. Notable people with the name include:Marcus Mamoru Toji, American actor Mamoru Fujieda , Japanese composer Mamoru Fujisawa or Joe Hisaishi , Japanese composer best known for his work with animator Hayao Miyazaki Mamoru Hatakeyama , Japanese shogi player Mamoru Hosoda , Japanese film director Mamoru Imura , Japanese inventor, music composer, and Chief…

Current Rank
#3,518
Peak Rank
#2,043 (1924)
Total Babies
182
5-Yr Trend
Stable
1915
First Year
1937
Last Year
1924
Peak Year
#2043
Peak Rank
182
Total Count
19
Years Active

Meaning & Origin of Mamoru

What this name means, where it came from, and how it has traveled across cultures.

Mamoru is a masculine Japanese given name. Notable people with the name include:Marcus Mamoru Toji, American actor Mamoru Fujieda , Japanese composer Mamoru Fujisawa or Joe Hisaishi , Japanese composer best known for his work with animator Hayao Miyazaki Mamoru Hatakeyama , Japanese shogi player Mamoru Hosoda , Japanese film director Mamoru Imura , Japanese inventor, music composer, and Chief…

Source: Wikipedia (CC BY-SA 3.0). Read more →

The Story of Mamoru

Mamoru first appeared in U.S. Social Security Administration records as a baby boy name in 1915, with 5 babies given the name that year. Its peak popularity came in 1924, when 16 Mamorus were born — ranking #2,043 that year. As of 2026, Mamoru ranks #3,518 for baby boys with 5 births, with steady use. In total, more than 182 Mamorus have been born in the U.S. since records began in 1880, spanning the 1910s through the 2020s.

Popularity Over Time

Popularity by State

ME
WA
MT
ND
MN
WI
MI
NY
VT
NH
MA
OR
ID
SD
IA
IL
IN
OH
PA
NJ
CT
RI
CA
NV
WY
NE
MO
KY
WV
VA
MD
DE
DC
UT
CO
KS
AR
TN
NC
SC
AK
AZ
NM
OK
LA
MS
AL
GA
HI
TX
FL
Top 10
11-50
51-100
101-500
500+
No data

Names that sound like Mamoru

Phonetically similar names — useful when Mamoru is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.

Source: Datamuse . Phonetic similarity ranking, not curated.

Frequently Asked Questions about Mamoru

What does the name Mamoru mean?
Mamoru is a masculine Japanese given name. Notable people with the name include:Marcus Mamoru Toji, American actor Mamoru Fujieda , Japanese composer Mamoru Fujisawa or Joe Hisaishi , Japanese composer best known for his work with animator Hayao Miyazaki Mamoru Hatakeyama , Japanese shogi player Mamoru Hosoda , Japanese film director Mamoru Imura , Japanese inventor, music composer, and Chief…
How popular is Mamoru in 2026?
In 2026, Mamoru ranks #3,518 among boys' names in the U.S., with 5 babies given the name that year.
When was Mamoru most popular?
Mamoru reached its peak popularity in 1924, ranking #2,043 that year with 16 babies given the name.
In which U.S. states is Mamoru most popular?
Mamoru has historically been most popular in Hawaii, California. Rankings vary year to year, but these states show the strongest concentration of births named Mamoru.
Is Mamoru a unisex name?
In U.S. Social Security records, Mamoru is primarily a boy's name. We don't have meaningful data for it as a girl's name.
What names go well with Mamoru?
Names that share a similar style or popularity range with Mamoru include Ethelbert, Thorvald, Bynum. These pairings are based on rank proximity and naming era in U.S. data.

About the name Mamoru

Mamoru is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1915 and has accumulated 182 births in the dataset. Mamoru's peak popularity came in 1924 when it ranked #2,043. Use the chart and map above to compare Mamoru's trajectory across years and U.S. states, or browse the related names section to discover similar choices.

Continue exploring

Data sources

  • Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
  • Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
  • Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
  • Predicted nationality distribution — Nationalize.io .
  • Phonetically similar names — Datamuse .

Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.