Marylou is a girl name with a classic feel, drawn from real birth records. Below you'll find what Marylou means and where it comes from, plus how many babies have been named Marylou across the United States, UK, Ireland and New Zealand, how popular Marylou has been over the decades, and the year it peaked.
Marylou is a girl name of Hebrew origin meaning “blend of Mary and Lou”. A combination name joining Mary and Louise.
| Country | Births on record |
|---|---|
| United States since 1880 | 13,112 births |
| England & Wales since 1996 | 36 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Marylou per year, United States (1898 to 2025). United States peaked in 1942 (376/yr) · England & Wales peaked in 1997 (4/yr).
Marylou has been a fairly common baby name in the United States. It was most common in 1942, when it ranked #673 nationally (given to 376 babies that year).
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