Biographical Sketch (1882):63, p. 339. "William O. Cadwell, farmer, was born in Onondaga County, N. Y., May 12, 1830, and was the fourth of eight children composing the family of Chester and Phila (Daniels) Cadwell; five of these are living. In 1838, the family settled in Union Township, where the father lived until his death, in 1867. William O. Cadwell remained at home until he became of age. On June 19, 1853, he married Margaret Frame, of this county. She died in 1860, leaving one child - Malphus F., a farmer of Union Township. After his marriage, he located on his present farm, now embracing 110 acres. His second marriage took place October 15, 1861, to Mary Gilbert, a native of Ohio. To this union three children were born - Ida M., Homer O. and Don Alonzo. Mr. and Mrs. Cadwell are members of the Methodist Episcopal Church. In politics, Mr. Cadwell is Republican."

1830 Birth:66, Mosier Cemetery, p. 6. Birth date of 12 May 1830 taken from tombstone in Mosier Cemetery, Union Township, Porter County, Indiana. Birth place of Onondaga County, New York taken from Goodspeed's Counties of Porter and Lake, Indiana.

1853 First Marriage:2582 Marriage of William Cadwell and Margaret Frame on 19 June 1853 listed in Porter County, Indiana marriage records.

1860 U.S. Census:1505
Porter County, Indiana (Union Township, Wheeler Station Post Office)
Enumerated
William Cadwell •• 30, male, farmer, real estate value $,1000, personal property value $620, born in New York
Margaret •• 28, female, born in Ohio
Malphus •• 3, male, born in Indiana

1861 Second Marriage:2583 Marriage of William Cadwell and Mary Gilbert on 16 October 1861 listed in Porter County, Indiana marriages.

1866 Church Membership:1877, 15th Session, 1866, p. 48. W. Cadwell attended the Northwest Indiana Conference of the Methodist Episcopal Church, representing Union Chapel of the Valparaiso District.

1870 U.S. Census:2590
Porter County, Indiana (Union Township, Valparaiso Post Office)
Enumerated 15 August 1870
William Cadwell •• 40, male, white, farmer, real estate value $1,400, personal property value $450, born in New York
Mary •• 37, female, white, keeping house, born in Ohio
Malfus •• 15, male, white, works on farm, born in Indiana
Ida May •• 8, female, white, at home, born in Indiana
Homer O. •• 5, male, white, at home, born in Indiana
Don A. •• 3, male, white, at home, born in Indiana

Note: Porter County marriage records (v. 4, p. 134) list the marriage of William Cadwell to Mary Hollister on 1 January 1873. It is unknown by this researcher if this refers to the William Cadwell described here or another member of the extended Cadwell family living in Porter County. It is possible that Mary Gilbert died before 1873 and that William married for a third time, to Mary Hollister.

1880 U.S. Census:2589
Porter County, Indiana (Union Township)
Enumerated 18 June 1880
William Cadwell •• white, male 50, married, farmer, born in New York, father's birthplace blank, mother's birthplace blank
Mary •• white, female, 46, wife, married, keeps house, born in Ohio, father born in Pennsylvania, mother born in Pennsylvania
Malphus •• white, male, 22, son, single, at home, born in Indiana, father born in New York, mother born in Ohio
Ida M. •• white, female, 18, daughter, single, at home, attended school within the year, born in Indiana, father born in New York, mother born in Ohio
Homer O. •• white, male, 14, son, single, at home, attended school within the year, born in Indiana, father born in New York, mother born in Ohio
Don A. •• white, male, 13, son, single, at home, attended school within the year, born in Indiana, father born in New York, mother born in Ohio

1896 Tombstone:66, Mosier Cemetery, p. 6. Mosier Cemetery, Union Township, Porter County, Indiana.
William O. Cadwell
Born May 12, 1830
Died June 5, 1896