Popularity of the last name by country

Australia

• Victoria (130)
• Queensland (79)
• New South Wales (44)
• Tasmania (17)
• South Australia (7)
• Western Australia (4)

All countries

• Finland (46,874)
• United Kingdom (26,058)
• United States (13,350)
• France (2,423)
• Sweden (1,484)
• Denmark (1,258)
• Norway (635)
• New Zealand (318)
• Australia (270)
• India (151)
• Unknown country (134)
• Netherlands (118)
• Ireland (97)
• Canada (91)
• Germany (67)
• Belgium (29)
• Latvia (28)
• Russian Federation (28)
• Netherlands Antilles (18)
• Colombia (17)
• Austria (14)
• Iceland (13)
• Estonia (12)
• Italy (12)
• Switzerland (11)
• Trinidad and Tobago (7)
• Iraq (6)
• Argentina (4)
• Brazil (4)
• Greece (4)
• Slovakia (Slovak Republic) (4)
• Turkey (4)
• Cuba (3)
• Indonesia (3)
• Israel (3)
• Mexico (3)
• China (2)
• Czech republic (2)
• Grenada (2)
• Korea, Republic of (2)

Origine of last name

THOMASON : 1: English (mainly Lancashire): from the Middle English personal name <a href="https://en.geneanet.org/surnames/Thomas">Thomas</a> + -son ‘son of Thomas’.2: Americanized form (and a rare Swedish variant) of Swedish <a href="https://en.geneanet.org/surnames/Thomasson">Thomasson</a> a cognate of 1 above.3: Americanized form of Danish Thomasen and Norwegian Danish Dutch or North German <a href="https://en.geneanet.org/surnames/Thomassen">Thomassen</a> cognates of 1.