Census Links is a growing catalog of links to transcriptions of census, tax lists, birth, death, marriage and military records, all freely available to help with your genealogy research.
From the Macatawa Bay Area History & Heritage website
First Zeeland Reformed Church Marriage Records 1847 - 1859, from the Macatawa Bay Area History & Heritage website
From the UsGenWeb Census Project
1840 Census, Ottawa County, Michigan
1850 Mortality Schedule, Ottawa County, Michigan
Scanned Image 1850 Census, Ottawa County, Michigan