Isaac Farrar Colby
- Born November 2, 1818 in Henniker, Merrimack County, New Hampshire.
- Parents were SILAS COLBY and HANNAH FARRAR.
- Married MARGARET BISCOE on February 27, 1840 in Greene County, Illinois. Margaret was born November 19, 1819 in Maryland; and died April 20, 1894 in Pana, Christian County, Illinois. Her parents were THOMAS BISCOE and ANN HARDCASTLE.
- Died February 19, 1889 in Pana, Christian County, Illinois.
CHILDREN
- HANNAH AUGUSTA COLBY, born October 5, 1841 in Greenfield, Greene County, Illinois; died July 1, 1916 in Anna, Union County, Illinois. Married FRANCIS A. DENNIS on October 15, 1856 in Macoupin County, Illinois.
- JOHN HENRY COLBY, born October 2, 1842 in Greenfield, Greene County, Illinois.
- ANNE ELIZABETH COLBY, born December 25, 1843 in Greenfield, Greene County, Illinois. Married WILLIAM HARDIN WALKER on March 30, 1875 in Illinois.
- MARY CAROLINE COLBY, born August 8, 1845 in Greenridge, Macoupin County, Illinois; died September 14, 1923 in Evansville, Vanderburgh County, Indiana. Married GEORGE W. SUMNER on January 21, 1885 in Cairo, Alexander County, Illinois. Married COLUMBUS SHUMAN on May 25, 1892 in Taylorsvile, Christian County, Illinois.
- SARAH ELIZABETH COLBY, born August 1, 1848 in Macoupin County, Illinois;; died July 3, 1931. Married LUDWIG B. VAN de WALTER on October 10, 1867 in Taylorville, Christian County, Illinois.
- JAMES ERI COLBY, born October 6, 1850 in Macoupin County, Illinois; Died December 31, 1930 in Los Angeles, Los Angeles County, California. Married MINNIE HILLS in 1880 in Illinois. Married MARGARET JANE LUDWICK about 1899 in California.
- GEORGE BISCO COLBY, born June 22, 1852 in Macoupin County, Illinois; died December 31, 1930 in Anglers, Pushmataha County, Oklahoma. Married SUSAN F. FIELDS on November 24, 1875 in Anna, Union County, Illinois. Married MAUD LEA VINEYARD about 1915.
- MARTHA M. COLBY, born September 9, 1853 in Macoupin County, Illinois.
- HOWARD M. COLBY, born December 16, 1858 in Pana, Christian County, Illinois.
- NAHUM OSCAR COLBY, born July 29, 1859 in Pana, Christian County, Illinois; died August 27, 1917 in Kenosha, Kenosha County, Wisconsin. Married IDA FRANCES BROWN on March 31, 1880 in Assumption, Christain County, Illinois.
Documentation:
1870 Christian County, Illinois Census