Last Names

Surnames / S

Siwy

How common is the last name Siwy?

About this name

We do not yet have a written origin for Siwy, so here is what the census records show.

Surname origins are rarely settled, and we would rather say nothing than guess. The sources below are the best places to look, and our guide to how surnames began explains the usual types.

Names nearby in the census

#82,908

Siwy was the 82,908th most common surname in the 2010 US Census, with 227 people, about 0.1 in every 100,000.

Who carries it

  • White (non-Hispanic)93.0%
  • Hispanic or Latino2.6%
  • Black (non-Hispanic)<0.1%
  • Asian or Pacific Islander2.6%
  • Two or more races<0.1%
  • American Indian or Alaska Native<0.1%

Check the sources

For a name you are serious about, compare the dictionaries: Reaney and Wilson, A Dictionary of English Surnames; Hanks, Dictionary of American Family Names.