In addition, Quilliam is a derivative (Gaelic) of the English and French name William.
Quilliam is not popular as a baby boy name. It is not in the top 1000 names. In 2012, within the family of boy names directly related to Quilliam, William was the most regularly used.
Baby names that sound like Quilliam include Quilan, Quillen, Quillon, Quilon, Caalum, Cailan, Cailen, Calem, Calen, Callen, Callom, Callon, Calom, Calyan, Caolan, Caylan, Cayllom, Cayllum, Colen, and Colom.