"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M85W-8FM : 12 April 2016), Mary Crook, Whiteside county, Whiteside, Illinois, United States; citing family 541, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
Burial
Find A Grave, database and images (https://www.findagrave.com : accessed 06 March 2018), memorial page for Mary “Polly” Gibbs Crook (1797–30 Sep 1861), Find A Grave Memorial no. 52768904, citing Riverside Cemetery, Sterling, Whiteside County, Illinois, USA ; Maintained by C Greer (contributor 47180683) .
Is Mary your ancestor? Please don't go away! Login to collaborate or comment, or contact
the profile manager, or ask our community of genealogists a question.