| ref1 = <ref name="cancensususcensus">[http://factfinder.census.gov/servlet/ADPTable?_bm=y&-geo_id=01000US&-parsed=true&-ds_name=ACS_2008_1YR_G00_&-_lang=en&-_caller=geoselect&-format=] American Community Survey 2008 by the US Census Bureau estimates 5,827,046 people claiming Scottish ancestry and 3,538,444 people claiming Scotch-Irish ''ancestry''.</ref><ref>[http://www.parade.com/articles/editions/2004/edition_10-03-2004/featured_0 Who are the Scots-Irish?]</ref>
