Last Names

Surnames / O

Ouano

How common is the last name Ouano?

About this name

We do not yet have a written origin for Ouano, 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

#76,275

Ouano was the 76,275th most common surname in the 2010 US Census, with 252 people, about 0.1 in every 100,000.

Who carries it

  • White (non-Hispanic)4.8%
  • Hispanic or Latino4.0%
  • Black (non-Hispanic)<0.1%
  • Asian or Pacific Islander81.8%
  • Two or more races9.5%
  • 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.