How rare is the name Marilu?

5,335 people in the United States have the first name Marilu, about 1 in 56,613. It ranks #3,749 of 53,615 first names in the 2020 Census.

first name

MARILU

#3,749

of 53,615 first names recorded in the 2020 Census

People
5,335
About
1 in 56,613
This common or more
83%
Who bears it

Of the 5,335 people named Marilu, 86.8% reported their origin as Hispanic or Latino, 9.8% as White and 2.6% as Asian or Pacific Islander. Virtually all are female (99.7%). These count how people described themselves on the 2020 Census, not where the name comes from.

Marilu peaked in 1991, when 55 babies got the name.

Births per year, SSA records 1880–2025
19192025
Peak year
1991
Births that year
55
In 2025*
16 ▼71%
Recorded as
almost entirely female

At least 2,279 babies have been given the name since 1919. Years SSA withheld, because fewer than 5 were born, are skipped rather than drawn as zero. * 2025 is the newest year published and it undercounts: a card application is filed some time after a birth.

Marilu by decade

Among all names given to American babies, its best decade was the 1950s, when it ranked #3,989. The largest share of babies named Marilu, 30.5%, were born between 1981 and 1996, as millennials.

1910s#11,6155
1920s#6,62667
1930s#4,323116
1940s#4,255136
1950s#3,989196
1960s#4,834167
1970s#4,973225
1980s#4,138373
1990s#4,630443
2000s#7,932282
2010s#11,391181
2020s#12,68288
Greatest Generation 1901–271.8%
Silent Generation 1928–459.7%
Baby boom 1946–6415.4%
Generation X 1965–8014.4%
Millennials 1981–9630.5%
Generation Z 1997–1218.7%
2013 and later9.5%

Rank counts both sexes together, among every name SSA recorded that decade; the number under it is births. The 2020s run only to 2025. Generation years follow Pew Research Center, which has not named a generation after 2012.

Spelled almost the same

7 first names in the 2020 Census spelled within a letter or two of Marilu, most common first.

Compare