Where does “Marylouise” come from?

Marylouise (English) comes from English Louise, from French Louise, from French louis, from Middle French Loïs, from Old French Looïs, from Latin Ludovīcus, from Old High German Hlūtwīg, from Proto-West Germanic Hlūdawīg — to cover; to incline.

Ancestry of “Marylouise”, step by step

Marylouise traces back through two separate lines of ancestry.

via English Louise

StepLanguageWordMeaning
1EnglishLouise
2FrenchLouisefart
3FrenchlouisA louis: various gold and silver coins issued by...
4Middle FrenchLoïs
5Old FrenchLooïs
6LatinLudovīcus
7Old High GermanHlūtwīg
8Proto-West GermanicHlūdawīgmeaning famous in battle
9Proto-West Germanichlūdloud; sound
10Proto-Germanichlūdazloud; famous
11Proto-Indo-Europeanḱlewtosheard, famous
12Proto-Indo-Europeanḱlew-to hear
13Proto-Indo-Europeanḱel-to cover; to incline

via English mary

StepLanguageWordMeaning
1EnglishmaryA male homosexual
2Frenchmariefirst-person singular present indicative of...
3Old FrenchMarie
4LatinMarīaMary mother of Jesus
5Ancient GreekΜαρίαMary, Maria
6Hebrewמִרְיָם
7Aramaicמריםbitter
8Biblical Hebrewמִרְיָם
Every word from Proto-Indo-European ḱel-
Marylouise — Etymology, Origin & Word History | Etymology Explorer