Surname : Calhoun
City : Pittsburgh
County : Allegheny
Region/State : Pennsylvania
Country : United States of America
Begin Year : 1860
End Year : 1970
Alternate Spelling(s) : Colhoun, Colquhoun
Surname : Calhoun
City : Pittsburgh
County : Allegheny
Region/State : Pennsylvania
Country : United States of America
Begin Year : 1860
End Year : 1970
Alternate Spelling(s) : Colhoun, Colquhoun
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