Popularity of the last name by country

Ireland

• Dublin (191)
• Cork (123)
• Monoghan (89)
• Donegal (88)
• Cavan (58)
• Limerick (34)
• Meath (19)
• Louth (18)
• Mayo (15)
• Sligo (9)
• Roscommon (8)
• Offaly {Kings} (6)
• Tipperary (6)
• Galway (5)
• Kerry (2)
• Leitrim (2)
• Carlow (1)
• Kildare (1)
• Kilkenny (1)
• Leix {Queens, Laois} (1)
• Wexford (1)

All countries

• United Kingdom (443,434)
• United States (84,488)
• Australia (12,612)
• Ireland (3,001)
• France (1,963)
• Canada (1,424)
• Colombia (762)
• New Zealand (431)
• Belgium (231)
• Netherlands (122)
• Sweden (101)
• Germany (89)
• Norway (79)
• Italy (61)
• Turkey (47)
• South Africa (44)
• Switzerland (34)
• India (29)
• Egypt (20)
• Brazil (18)
• Portugal (17)
• Chile (16)
• Lebanon (16)
• Singapore (16)
• Greece (13)
• Iraq (13)
• Mexico (12)
• Sri Lanka (11)
• Myanmar (10)
• Malaysia (10)
• Philippines (10)
• Israel (9)
• Tunisia (9)
• Denmark (8)
• Indonesia (8)
• Libyan Arab Jamahiriya (8)
• Algeria (7)
• Spain (7)
• Argentina (6)
• Venezuela (6)

Origine of last name

WILLIAMSON : The son of William.