Marylou
Meaning
“American compound name joining Mary, Hebrew Miriam, and Lou, short for Louise, Germanic for famous warrior.”
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Marylou peaked in the 1930s and the 1960s in nearly equal measure.
When you meet Marylou
People given the name Marylou in the United States span the generations: the middle half were born anywhere from 1940 to 1989. Age is the one thing the name won't tell you.
Estimated from US Social Security birth registrations and typical lifespans; a rough guide, not a rule.
The Marylou deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Marylou truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Marylou fits with your family’s names and surname.
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