People Mary Blennerhassett peoplepill id: mary-blennerhassett-22MB 3 views today 3 views this weekBorn 1729Mary BlennerhassettBiographyAlso ViewedThe basicsQuick FactsIntroBorn 1729GenderFemaleBirth6 October 1729 People who share this birthdayStar signLibra People who share this birthdayFamilyMother:Jane DennyFather:John BlennerhassettChildren:Jane Mary Crosbie Catherine Crosbie John Gustavus CrosbieListsMary Blennerhassett is in following lists comments so far.CommentsMary Blennerhassett