Popularity of the last name by country

Australia

• Victoria (11,272)
• South Australia (3,639)
• New South Wales (1,066)
• Queensland (132)
• Western Australia (108)
• Tasmania (23)

All countries

• United Kingdom (236,253)
• United States (148,031)
• New Zealand (24,021)
• Australia (16,849)
• France (10,614)
• Unknown country (9,186)
• Canada (8,132)
• Germany (6,375)
• Ireland (6,365)
• Belgium (1,966)
• Netherlands (1,661)
• Switzerland (1,108)
• Spain (1,076)
• Italy (941)
• Austria (912)
• Denmark (750)
• Sweden (721)
• Poland (527)
• India (433)
• Martinique (366)
• Gibraltar (359)
• Russian Federation (312)
• Guadeloupe (254)
• Colombia (206)
• China (160)
• Mexico (157)
• Norway (135)
• Indonesia (122)
• Latvia (118)
• Jamaica (117)
• Greece (113)
• Czech republic (103)
• Egypt (102)
• Finland (90)
• Turkey (89)
• Virgin Islands (U.S.) (84)
• French Polynesia (78)
• Portugal (76)
• Algeria (74)
• Lebanon (73)

Origine of last name

WILLIAM : 1: English (of Norman origin): from the Middle English personal name William Willam Willem an Old Picard and Norman French form of ancient Germanic Willihelm composed of the elements wil- ‘will desire’ + helm- ‘helmet protection’. This Norman personal name became widely used in England Scotland and Wales after the Conquest mainly no doubt in honor of the Conqueror himself. By the 13th century it had already become the most popular personal name in England. A Parisian form of the name Guillaume was also sometimes used (see <a href="https://en.geneanet.org/surnames/Gillam">Gillam</a>) which in medieval Wales was adopted as Gwilym (see <a href="https://en.geneanet.org/surnames/Gwilliam">Gwilliam</a>).2: Americanized form (translation into English) of French <a href="https://en.geneanet.org/surnames/Guillaume">Guillaume</a>.