The 1850 census says that Cyrus was born in the state of NY in 1835. He was not born in Michigan.
Sources
1850 census - "United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MF8Z-VZ1 : 12 April 2016), Cyrus W Clark in household of Sylvanus Clark, Algansee, Branch, Michigan, United States; citing family 41, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
1880 census - "United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MWSD-ZQ3 : 14 August 2017), Cyrus W Clark, 1880; citing enumeration district ED 94, sheet 122D, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d), roll 0583; FHL microfilm 1,254,583.
Burial Record - FAG - "Michigan Deaths and Burials, 1800-1995," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FHJW-RJZ : 10 February 2018), Cyrus W. Clark, 26 Feb 1903; citing Ionia Co., Michigan, reference v B p 266; FHL microfilm 960,506.
Research Notes
Lin Grant's Family documents passed down through the generations.
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DNA Connections
It may be possible to confirm family relationships with Cyrus by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share some percentage of DNA with Cyrus: