Given name & surname

Marylou

“star of the sea”·“from the sea of bitterness”

Marylou is a variant of Mary. Interpretations include “star of the sea” and “from the sea of bitterness”. These belong to different or overlapping naming contexts.

Meaning & origin

What it means

Marylou is a variant of Mary. Interpretations include “star of the sea” and “from the sea of bitterness”. These belong to different or overlapping naming contexts.

Explained through its name family

The story

Published U.S. birth records include this spelling as early as 1898. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Marylou through the years

Babies since 1880
13,112
0 boys · 13,112 girls
Most popular year
1942
376 babies
2025
28
#4,835 for girls
2021–25 vs 2016–20
+14%
Rising
01002003004001900192019401960198020002025Highest share 193717
Marylou in U.S. Social Security birth records, 1898–2025, per million girls born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

In 2025, this name appeared in 28 U.S. birth records for girls, ranking No. 4,835 among girls’ names. Average annual use for girls was 13.5% higher in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 376 in 1942. Published U.S. population figures for this spelling include 26,002 as a first name in 2020; 144 as a surname in 2010.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Marylou’s family of names

Marylou has a related form in Mary. In French usage, Marylou has a related form in MARILOU. In French usage, Marylou has a related form in MARILOU.

Walk Marylou’s family in the name graph

MarylouMaryMarilouMary Lou

The ring: nicknames and forms.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Nicknames & forms 3

Diminutives, pet forms, short forms and variants used alongside the name.

People named Marylou

Listed by how widely each person is written about, which says nothing about the name itself.

Appears in

Similar names

If you love Marylou, these share its style, era, origin or sound, from outside its own family.

Nature

Marylee

“star of the sea” · “from the sea of bitterness”

15Very rareEasing

>99% girls

Nature

Marylu

“star of the sea” · “from the sea of bitterness”

0Not recently recordedCooling

>99% girls

Norwegian · Nature

Marita

“star of the sea” · “from the sea of bitterness”

21RareSteady

>99% girls

Nature

Marine

“woman of the sea”

12Very rareCooling

>99% girls

Latin · Nature

Meris

“of the sea”

0Not recently recorded

>99% girls

English · Nature

Meryl

“resembling a blackbird” · “of the shining sea”

17Very rareEasing

>99% girls

Nature

Meriel

“of the shining sea”

0Not recently recorded

>99% girls

Nature

Marvie

“a friend of the sea”

0Not recently recorded

20% boys · 80% girls

Sibling ideas

Names that share Marylou’s feel without repeating its first letter or rhyming with it.

A brother for Marylou

A sister for Marylou