Name Legacy

Marilu

Recorded 1919–2025 · United States

Marilu was most popular in 1991, when 55 American babies were given the name — ranking #3,786 that year. In 2025 it ranked #11,831, with 16 births. Across 1880–2025 the Social Security Administration has recorded 2,279 people named Marilu.

Most popular in1991
Rank that year#3,786
Births that year55
Total since 18802,279
Given to100% girls

Marilu over time

18802025
Births per year. The dot marks Marilu’s peak in 1991. Gaps are years the SSA suppressed, which it does for any name given to fewer than five babies.

Is Marilu a boy’s or a girl’s name?

Across the whole record Marilu is a girl’s name — 100.0% of the 2,279 Americans given it were girls and 0.0% were boys. In births since 2016 it is 100% girls and 0% boys.

Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.

Names that peaked alongside Marilu

Where Marilu is most concentrated

How much more common the name is in each state than across the country as a whole.

Explore further

See Marilu on the interactive charts

Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org