 24.4% were of German, 12.7% English, 9.9% Irish, 9.2% Polish, 9.2% American and 6.7% French ancestry.97.2% spoke English as their first language.Those citing "American" ancestry in Roscommon County are of overwhelmingly English extraction, however most English Americans identify simply as having American ancestry because their roots have been in North America for so long, in some cases since the 1600s.