In the Unknown origin, Willian means "Willian \wi(l)-lian\ as a boy's name.
The baby name Willian sounds like Allin, Allan, Ailin, Ailean, Eilan, Elian, Jaillin, Julian, Walwinn, Walwin, Wylan, Weylin, Waylin and Waylan. Other similar baby names are Cillian, Gillian, Killian and William."