Tools / Baby names / M

Mariko

Girl

Meaning of Mariko: Japanese: 'true reason child'

Mariko is a girl's name most strongly associated with Japanese naming. It has 6 letters and 3 syllables, and it is a genuinely rare and unique choice — 9226th most popular girls' name in the United States in 2025.

US rank 2025

#9226

10 babies in 2025

England & Wales 2024

—

Fewer than 3 babies or unlisted

US babies since 1880

1,326

First recorded 1916 · peak 1984

Trend

stable

Style: rare

Popularity over time

1981: 55 babies1982: 54 babies1983: 44 babies1984: 57 babies1985: 51 babies1986: 47 babies1987: 39 babies1988: 53 babies1989: 31 babies1990: 38 babies19901991: 34 babies1992: 33 babies1993: 18 babies1994: 30 babies1995: 21 babies1996: 27 babies1997: 21 babies1998: 21 babies1999: 12 babies2000: 13 babies20002001: 17 babies2002: 15 babies2003: 11 babies2004: 9 babies2005: 15 babies2006: 11 babies2007: 9 babies2008: 11 babies2009: 10 babies2010: 9 babies20102011: 11 babies2012: 8 babies2013: 12 babies2014: 16 babies2015: 8 babies2016: 12 babies2017: 10 babies2018: 7 babies2019: 10 babies2020: 5 babies20202021: 8 babies2022: 9 babies2023: 0 babies2024: 8 babies2025: 10 babies
US babies named Mariko per year (Social Security Administration). Peak bar = 57.

Gender split

1% boys · 99% girls, based on US, UK and international usage.

Origins & cultures

More Japanese girls' names

Other names starting with M