1870 CENSUS, MAHONING COUNTY, POLAND TWP, OHIO, PAGE 191
DUNCAN, JAMES AGE 69, FARMER, VALUE $1000, PERS. $1400, BP-PA
DUNCAN, REBECCA AGE 52, BP-NEW YORK
DUNCAN, JAMES E. AGE 33, FARM HAND, BP-OHIO
DUNCAN, ELIZABETH, AGE 29, BP-OH
DUNCAN, NANCY AGE 19, BP-OH
1860 CENSUS, POLAND TWP, MAHONING COUNTY, OH, PAGE 141.
DUNCAN, JAMES AGE 59, BP-PA
DUNCAN, REBECCA AGE 45 BP-OHIO
DUNCAN, JAMES AGE 21 BP-OH
DUNCAN, ELIZABETH AGE 19 BP-OH
DUNCAN, WILLIAM AGE 16 BP-OH
DUNCAN, HENRY AGE 13 BP-OH
DUNCAN, MARY AGE 9 BP-OH
1850 CENSUS, POLAND TWP, MAHONING COUNTY, OH, PAGE 394.
DUNCAN, JAMES AGE 48, FARMER, BP-PA
DUNCAN, REBECCA AGE 37, BP-OH
DUNCAN, JAMES E. AGE 13, BP-OH
DUNCAN, ELIZABETH AGE 10, BP-OH
DUNCAN, WILLIAM AGE 7 , BP-OH
DUNCAN, HENRY S. AGE 3 , BP-OH
SIMPSON, ELIZABETH AGE 19, BP-OH