Mariko Girl

How popular is Mariko?

#9,454 girl name in 2025

10 baby girls were named Mariko in the US in 2025, making it the 9454th most popular girl name.

Compare with other names
1,199living people named Mariko (est.)
39median age of people named Mariko
1,326babies named Mariko since 1880
1 in 331,534US babies born in 2025

Mariko popularity over time

03060 18801900192019401960198020002020

Boys Girls

Rank in 2025#9,454 for girls (▲ 1663 from 2024)
Babies in 202510 girls
10-year trendRising (+25% babies vs 2015)
Earlier ranks#11,830 in 2015, #15,083 in 2020
Peak year1984 (57 girls)
Highest rank#1,866 in 1984
First recorded1916
Boys vs girls (last 10 years)0% boys, 100% girls
Chance a classmate shares it0.0% in a class of 25 kids born in 2025

Mariko by decade

DecadeBaby girlsBest rank
1910s20#3,550
1920s66#2,378
1930s7#3,656
1950s22#3,924
1960s61#4,197
1970s150#2,859
1980s475#1,866
1990s255#2,952
2000s121#6,317
2010s103#7,300
2020s40#9,454

Girl names about as popular as Mariko

Questions

Is Mariko a boy or girl name?
Mariko is mostly a girl name. Over the last 10 years, 100% of babies named Mariko were girls.
How popular is the name Mariko?
10 baby girls were named Mariko in the US in 2025, making it the 9454th most popular girl name.
When was Mariko most popular?
Mariko peaked in 1984, when 57 girls were given the name. Its highest rank was #1,866 in 1984.
How many people are named Mariko?
1,326 babies have been named Mariko in the US since 1880. We estimate about 1,199 of them are alive in 2026, with a median age of 39.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.