DOB was 3/28/1803 or 6/3/1807 on profiles prior to merge. With no sources, used 1850 census where he is shown.
age 50 - 1850 census
Sources
Acknowledgments
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MF8K-B1G : 12 April 2016), Issidore Peltier, Monroe city, ward 2, Monroe, Michigan, United States; citing family 23, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).