- Born December 7, 1822 in Verona, Oneida County, New York.
- Parents were THOMAS KEIGWIN and EUNICE JOSLIN.
- Married MAY FAY DOOLITTLE on June 14, 1845 in Will County, Illinois. May was born about 1821; and died July 10, 1854 in Joliet, Will County, Illinois.
- Married FRANCES CARY on January 8, 1856. Frances was born October 6, 1836; and died in May, 1861. Her parents were PALMER C. CARY and ROWENA OSGOOD.
- Married CAROLINE ELIZABETH YOUNG on January 11, 1863. They apparently had no children.
- Died May 15, 1890 in Joliet, Will County, Illinois.
CHILDREN WITH MAY FAY DOOLITTLE
- LeROY F. CAGWIN, born March 18, 1846 in Illinois; died in January, 1938.
- CHARLES FREDERICK CAGWIN, born June 17, 1851; died September 23, 1852.
- HARRY FAY CAGWIN, born June 17, 1853 in Joliet, Will County, Illinois; died February 12, 1909 in Lawton, Comanche County, Oklahoma. Married CREED MYERS on October 17, 1894 in Owen County, Indiana.
CHILDREN WITH FRANCES CARY
- CARRIE M. CAGWIN, born about 1851 in Illinois. Married UZIAH MACK on November 28, 1883 in Will County, Illinois.
- BERTHA A. CAGWIN, born about 1860 in Illinois.