Son of Ephraim Dunham and Elizabeth Drake Sipes Dunham.

Married to Esamia Noble on March 7, 1861 in Morrow County, Ohio.

James and Esamia were the parents of:
Edgar Dunham
Maggie Dunham Beckman
Cynthia Dunham Miller
James Dunham(1867-unk)
Beatty E Dunham(1870-unk)
Homer R Dunham
Bert M Dunham
Edith Dunham(1877-unk)
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1850 United States Federal Census
Name: Thompon Dunbar
Age: 12
Birth Year: abt 1838
Birthplace: Ohio
Home in 1850: Claridon, Marion, Ohio
Gender: Male
Family Number: 499
Household Members: Name Age
Ephraim Dunbar 48
Elizabeth Dunbar 43
Mary Dunbar 24
Enoch Dunbar 22
Henry Dunbar 20
Thompon Dunbar 12
Margaret Dunbar 7
James Johnston 20

1860 United States Federal Census
Name: James G Dunham
Age in 1860: 22
Birth Year: abt 1838
Birthplace: Pennsylvania
Home in 1860: Gilead, Morrow, Ohio
Gender: Male
Post Office: Mount Gilead
Household Members: Name Age
Ephraim Dunham 57
Elizabeth Dunham 55
James G Dunham 22
Margaret Dunham 18
Ada Dayton 9
Ther Layter 7
Isabel Demy 17

Ohio, County Marriage Records, 1774-1993
Name: Esamia Noble
Gender: Female
Marriage Date: 7 Mar 1861
Marriage Place: Morrow, Ohio
Spouse: James T. Dunham
Film Number: 000388780

1870 United States Federal Census
Name: J T Dunham
Age in 1870: 31
Birth Year: abt 1839
Birthplace: Ohio
Home in 1870: Gilead, Morrow, Ohio
Race: White
Gender: Male
Post Office: Mount Gilead
Household Members: Name Age
J T Dunham 31
Ezrmiah Dunham 30
Edgar Dunham 8
Maggie Dunham 7
Cynthia Dunham 5
James Dunham 3
Beatty E Dunham 9/12

Kansas State Census Collection, 1855-1925
Name: I T Dunham
Census Date: 1 Mar 1875
Residence County: Miami
Residence State: Kansas
Locality: Stanton
Birth Location: Ohio
Family Number: 6
Gender: Male
Estimated Birth Year: abt 1837
Race: White
Line: 16
Roll: ks1875_13
Household Member(s): Name Age
I T Dunham 38
Eliza Dunham 36
Edgar Dunham 14
Maggie Dunham 12
Cynthia Dunham 10
James Dunham 8
Homer Dunham 3

1880 United States Federal Census
Name: J T Dunham
Age: 41
Birth Year: abt 1839
Birthplace: Ohio
Home in 1880: Marysville, Miami, Kansas
Race: White
Gender: Male
Relation to Head of House: Self (Head)
Marital Status: Married
Spouse's Name: E Dunham
Father's Birthplace: New Jersey
Mother's Birthplace: Pennsylvania
Occupation: Farmer
Household Members: Name Age
J T Dunham 41
E Dunham 40
Edgar Dunham 18
Maggie Dunham 16
Cynthia Dunham 14
James Dunham 12
Homer Dunham 10
Bertie M Dunham 7
Edith Dunham 3

Kansas State Census Collection, 1855-1925
Name: J T Dunham
Census Date: 1 Mar 1895
Residence County: Miami
Residence State: Kansas
Locality: Miami
Birth Location: Ohio
Family Number: 34
Gender: Male
Estimated Birth Year: abt 1839
Race: White
Line: 7
Roll: v115_94
Household Member(s): Name Age
J T Dunham 56
Esimiah Dunham 55
Bert Dunham 20

1900 United States Federal Census
Name: James Dunham
Age: 62
Birth Date: Sep 1837
Birthplace: Ohio
Home in 1900: Miami, Miami, Kansas
Race: White
Gender: Male
Relation to Head of House: Head
Marital Status: Married
Spouse's Name: Esamie Dunham
Marriage Year: 1861
Years Married: 39
Father's Birthplace: New Jersey
Mother's Birthplace: Pennsylvania
Household Members: Name Age
James Dunham 62
Esamie Dunham 60