Hiram Jenison was born in St. Lawrence Co., NY, 11 May 1813. He and his father were the first settlers in Georgetown. He has ever been largely identified in the government of his township; was the first supervisor, which he retained for years; also twice a member of the State Legislature. He is a farmer and lumberman, residing on section 23. He married 12 Oct 1838, Mary Beardsley, who was born in Genesee County, NY, 26 Jun 1819. They are the parents of eight children. His father, Lemuel, was born in Vermont and killed by the fall of a tree in 1837.

Source:
Collections of the Michigan Pioneer and State Historical Society,
Volume 9 - pages 262 -

Their children:
1) Mary Jenison, b. 01 Sep 1846, Georgetown, Ottawa Co, MI - d. 22 Feb 1925, Grandville, Kent Co, MI married Henry W. Sweet.
2) Anson L. Jenison, b. 14 May 1848 - d. 7 Sep 1904 married Harriet A. Scott, b. Apr. 9, 1847

3) Sarah S., b. 10 Oct 1850, Ottawa Co, MI - d. 17 Feb 1925, Georgetown, Ottawa Co, MI, USA m. Clinton
4) Delia A. Jenison, b. 1852 - 1913
5) Hiram Eugene Jenison, b. 6 Apr 1855 - d. 1930, married Ella Meeker, b. 1857 - d. 1923
6)
7) Douglas M. Jenison, b.1861 - d. 1932 married Nellie Pitts
8) William "Willie" Jenison, b. 20 Oct 1857, Georgetown, Ottawa, Michigan, USA - d. 2 Jan 1878, Georgetown, Ottawa, Michigan, USA, age 20.

Death:
"Michigan, Deaths and Burials, 1800-1995"
Name: Hiram Jenison
Gender: Male
Burial Date:
Burial Place:
Death Date: 11 Nov 1889
Death Place: Georgetown, Ottawa, Mich.
Age: 76
Birth Date: 1813
Birthplace: N.Y.
Occupation: Farmer
Race: White
Marital Status: Married
Spouse's Name:
Father's Name:
Father's Birthplace:
Mother's Name:
Mother's Birthplace:
Indexing Project (Batch) Number: B01641-8
System Origin: Michigan-EASy
GS Film number: 984237
Reference ID: v 2 p 111
Sources
"Michigan, Deaths and Burials, 1800-1995," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/FHYK-42N : accessed 14 Jun 2013), Hiram Jenison, 11 Nov 1889.

Census:
"United States Census, 1880"
Name: Hiram Jenison
Event Type: Census
Event Date: 1880
Event Place: Georgetown, Ottawa, Michigan, United States
Gender: Male
Age: 67
Marital Status: Married
Occupation: Farmer
Race (Original): W
Ethnicity: American
Relationship to Head of Household: Self
Birthplace: New York, United States
Birth Date: 1813
Spouse's Name: Mary Jenison
Spouse's Birthplace: New York, United States
Father's Name:
Father's Birthplace: Vermont, United States
Mother's Name:
Mother's Birthplace: Vermont, United States
Page: 423
Page Letter: A
Entry Number: 2077
Affiliate Film Number: T9-0601
GS Film number: 1254601
Digital Folder Number: 004241741
Image Number: 00049
Household Gender Age Birthplace
Self Hiram Jenison M 67 New York, United States
Wife Mary Jenison F 61 New York, United States
Son Dugless Jenison M 19 Michigan, United States
Other Martha Bauemaster F 25 Michigan, United States
Sources
"United States Census, 1880," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MW34-G9X : accessed 14 Jun 2013), Hiram Jenison, 1880.