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Worldwide, Wilyam (Wilyam ) is quite a rare masculine forename. The forename Wilyam is habitual in Algeria, where it is quite a rare boy's name, Lebanon, where it is a rare masculine name, and Morocco, where it is a rare dominantly boy's, but infrequently feminine name. In absolute terms, the name is most common in Algeria, Indonesia, and Morocco. Likewise, Wilyam is the last name as well as the forename.