Mamoru

Boy · recorded 1915–1937

  • 1937last recorded
  • 1926best year

Most popular in 1926.

Last recorded in 1937. Fewer than five boys a year have been given it since, so it's a true rarity.

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Meaning

We don’t have a verified meaning for Mamoru.

We only publish meanings we can cite to a source you could check yourself. Most sites will give you one anyway; the ones you find elsewhere are often copied between sites without verification.

Its story

Popularity since 1915

071419151921192619321937

Hover over or drag across the chart to see any year.

Per million boys born. Years with fewer than five births are not in the record, so the line breaks rather than dropping to zero.
See the 19 recorded years as a table
Mamoru, per million boys born. Years absent from the table had fewer than five births.
YearPer million
19156
191610
191710
19185
191911
192010
192110
192210
19239
192414
192513
192614
192710
19289
19296
19305
193211
19355
19375

Where it’s loved

Most popular in these states

Mamoru isn’t concentrated in any one state. Either it’s spread evenly, or no state reaches the 25 births over three years needed before a rate means anything.

More like it

More like Mamoru

The numbers

Every figure

Births in 1937
5
Rank in 1937
#3,518
How rare
1 in 213,331 boys
Since 1915
182

Mamoru was last recorded in 1937. Fewer than five boys have been given the name in any year since, which is the point below which the record stops reporting.

Most popular in 1926, at 14 per million boys born.

There isn’t enough data for a ten-year trend: Mamoru doesn’t appear in both ends of that window.

Figures from the US Social Security Administration’s 2025 release. How these numbers are made.