Mcwilliam izincazelo zegama elihle kakhulu: Sína, Isimo sengqondo, Ngokucophelela, Esebenzayo, Ujabule. Thola Mcwilliam incazelo yesibongo.
Isiqalo Mcwilliam. Means "son of William" in Gaelic. Thola Isiqalo Mcwilliam.
Amagama amagama afanayo we Mcwilliam emazweni ahlukene nangezilimi: Mac uileagóid, Mcelligott, Wilcox, Wilkerson, Wilkie, Wilkins, Wilkinson, Willems, Willemse, Willemsen, William, Williams, Williamson, Willis, Wilms, Wilson. Thola Mcwilliam kwezinye izilimi.
Amagama amaningi avamile ngegama Natalie-marie: Williams. Thola Uhlu lwamagama ngegama Natalie-marie.
Amagama avame kakhulu ngegama lomsebenzisi Mcwilliam: Kevin, Lily, Jeffrey, Steffanie, Ferdinand, Ferdinánd. Thola Amagama ahamba ne- Mcwilliam.