Mahlon Calvin & Isabella Haggard 
Mahlon and Isabella were married in a religious ceremony in Palmyra, Ohio.1 They had three sons and five daughters, named Samuel O., James H., William H., Lydia, Sarah J., Mary, Catherine M. and Amanda I..
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Personal Details
Mahlon Calvin
Mahlon was born on August 1st, 1777 in Bethlehem, Ohio.2 He died at the age of 74 on January 13th, 1852 in Portage County, Ohio.2
Isabella Haggard
Isabella was born on December 30th, 1795.2 She died at the age of 71 on September 17th, 1867.2
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Children
Samuel O. Calvin
Samuel O. was born on February 8th, 1820 in Portage County, Ohio.2 He died at the age of 64 on May 6th, 1884.2
James H. Calvin
James H. was born on September 25th, 1821.2 He died at the age of 28 on April 16th, 1850.2
Lydia Calvin
Lydia was born on November 4th, 1823.2 She died at the age of 67 on October 15th, 1891.2
Sarah J. Calvin
Sarah J. was born on January 27th, 1826.2 She died at the age of 25 on August 17th, 1851.2
Mary Calvin
Mary was born on September 10th, 1827.2 She died at the age of 72 on February 3rd, 1900.2
Catherine M. Calvin
Catherine M. was born on July 10th, 1829.2 She died at the age of 35 on January 5th, 1865.2
William H. Calvin
William H. was born on March 15th, 1832 in Portage County, Ohio.2 He died at the age of 83 on July 29th, 1915.2
Amanda I. Calvin
Amanda I. was born on July 28th, 1835.2 She died at the age of 76 on August 8th, 1911.2