Clarissa Cool was a daughter of Truman J. Cool (1831 – 1867) and Sarah Ann (nee Bennett) Cool (1837 – 1884). She married Henry James Chaplin a son of Harvey S Chaplin and Mary "Martha" (nee Myers) Chaplin.

1860 census Cape Vincent, Lyme, Jefferson, New York, United States
Truman Cool 29, New York
Sarah Cool 23, New York
Lowery Cool 5, New York
Clarissa Cool 5, New York
Addi Cool 10/12, New York

1870 census Clayton, Jefferson, New York, United States
Sarah Cool 33, New York, H Keeper
Clarisa Cool 13, New York
Addie Cool 10, New York
Hattie Cool 7, New York
Susan Cool 5, New York
Joseph Cool 3, New York

1900 census Indianfields township (excl. Caro village), Tuscola, Michigan
Henry Chaplin 47, Mich, July 1852, married 23 years, Farm Laborer
Clarissa Chaplin 43, Mich, Nov 1856, married 23 years, mother of 2 children, 2 children living
Grace Chaplin 22, Mich, Feb 1878, Dress Maker

1910 census Detroit Ward 16, Wayne, Michigan
Henry J Chaplain 54, Mich, marriage 1, married 34 years, Foreman, Truck ?
Clarissa Chaplain 53, Mich, marriage 1, married 34 years, mother of 2 children, 2 children living

1920 census Detroit Ward 16, Wayne, Michigan
Henry Chaplin 67, Mich, Laborer, Factory
Clarisia Chaplin 63, Mich

1930 census Detroit, Wayne, Michigan
Gale S Miller 29, Mich, Electrical Engineer, Electric Supply Shop
Helen C Miller 28, Mich
Robert S Miller 6/12, Ohio
James S Chaplin 77, Mich, Grandfather, Electric Operator, Oil Burner Mfg
Clarissa A Chaplin 72, Mich, Grandmother

Michigan Death Record:
Name: Clarissa Chaplin
Date of Death:
Place of Death: Detroit, Wayne, Michigan
Residence: 19030 Woodbine
Age at Death: 76 years, 10 months, 21 days
Date of Birth: 04 Sep 1856
Place of Birth: Clayton, New York
Marital Status: Married
Spouse: Henry Chaplin
Occupation: Housewife
Father: Hiram Cool
Father’s Place of Birth: New York
Mother: Sarah Bennett
Mother’s Place of Birth: New York
Date of Interment: 27 Jul 1933
Place of Interment: Acacia Park
Informant: Mrs. Gale Miller