Mylou is a ♀ female name.
Mylou is a variant of the name Milou, which is a short form of the name Marie Louise and a French diminutive of the name Émilie.
Mylou means “sea of bitterness”, “drop of the sea”, “star of the sea”, “rebelliousness”, “exalted one” or “wished for child” (from Marie), “famous female warrior” (from Louise) and “of the Aemilius family” and “rival” (from Émilie).