BLACK HAWK CO. IA
Formed 1843 from Delaware
Audubon formed 1851 from Cass, Black Hawk
Butler formed 1851 from Buchanan, Black Hawk
Grundy, Hardin formed 1851 from Black Hawk
 

CENSUS RECORDS

1850 Black Hawk Co. IA Census
      No Duncan indexed

1860 Black Hawk Co. IA Census
Cedar Falls Twp.
Pg.63, #31-32, Albert ALLEN 32 NY merchant $0-$2000
                  Kate D. 30 NH
                  George D. 7 NY
                  Isabel H. DUNCAN 69 NH
                  (MAD: 1850 Hillsboro Co. NH census)
Barclay Twp.
Pg.149, #17-15, Robert DUNCAN 36 SCT farmer $1000-$250
                  Margaret 36 SCT
                  Jeannette 9, Alice 7, John 5 IL
                  Wm. 2, Robert 2, Mary A. 5/12 IA
                  (MAD: 1870 Chickasaw Co. IA census)

1870 Black Hawk Co. IA Census
Big Creek Twp., P.O. Webster?
Pg.322, #70-80, DUNCAN, O.P. (m) 56 PA book store dealer? $500-$1200
                  Laura J. 42 NY keeping house
                  Belle 7 IL at home
                  DAVIS, Casper (m) 19 going to school
                  (MAD: 1840 Centre Co. PA census; 1860 Stephenson Co. IL census, wife Louisa)
 

HISTORIES before 1923

1919 "History of Chickasaw and Howard Cos. IA" by Robert Herd Fairbairn, pub. by S.J. Clarke (Los Angeles Public Library book R977.71 C533Ht v.2; FHL book 977.73 H2f and film 982,015 items 1-2)
      Vol.II, pg.23: ROBERT A. DUNCAN. ... Chickasaw County ... He was born in Blackhawk Co. IA, August 27, 1857, and is a son of Robert and Margaret (Walker) Duncan, who were natives of Scotland, the former born June 1, 1821, and the latter on the 11th of May of the same year. They were reared in the land of hills and heather and were there married in 1846, after which they came immediately to the United States. They first settled near St. Charles, IL, where they resided for only a brief period and in the spring of 1850 came to Iowa, taking up their home in Blackhawk county. In 1864 they removed to Chickasaw county, ... On the 1st of January, 1895, Mr. Duncan was united in marriage to Miss Nellie Newbury, a daughter of George Newbury, who was one of the early settlers of Floyd Co. IA, and is now living retired at Osage, Iowa. ...
      Pg.158: WILLIAM W. DUNCAN ... is now living retired in Colwell, Floyd county, but for many years was actively identified with farming in Deerfield township and was classed among the representatives and influential residents of Chickasaw county. He was born in Blackhawk Co. IA, August 27, 1857, a son of Robert and Margaret (Walker) Duncan, who are mentioned elsewhere in this volume in connection with the sketch of their son, Robert A. Duncan. ... In 1880 Mr. Duncan was married to Miss Nettie Clark, of Floyd Co. IA, ....
 

END

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