- Born February 28, 1883 in Pana, Christian County, Illinois.
- His parents were NAHUM OSCAR COLBY and IDA FRANCES BROWN.
- Married MARIAN ELLA JANE CLARK on October 23, 1905 in McHenry County, Illinois. She was born June 23, 1885 in Manchester, Lancashire, England and died in 1960 in Washington. Her parents were CHARLES CLARK and MARY WEST/
- Married ELIZABETH S. McMASTERin 1919 in Pennsylvania. She was born in August, 1878 in Philadelphia, Philadelphia County, Pennsylvania; and died December 12, 1957 in Philadelphia, Philadelphia County, Pennsylvania. Her parents were JOHN McMASTER and MATILDA STEWART.
- Died November 2, 1956 in Philadelphia, Philadelphia County, Pennsylvania.
CHILDREN WITH MARIAN ELLA JANE CLARK
- GRACE MARION COLBY, born May 11, 1906 in Woodstock, McHenry County, Illinois; died December 21, 1991 in Seattle, King County, Washington. She married GEORGE LEVI CROW on June 13, 1936.