Discrepancy in birth year on Ancestry.com. I put 1849 based on the 1850 census. See below.
Name: Adelia M Cole
Birth Year: abt 1847
Gender: Female
Age: 66 Yr
Death Date: 3 Apr 1913
Death Place: Sugar Grove, Kane, Illinois
Volume: 12
Page: 390
URL: http://www.ilsos.gov/isavital/...
Name: Adelia M Cole
Age: 1
Birth Year: abt 1849
Birthplace: Illinois
Home in 1850: Sugar Grove, Kane, Illinois, USA
Gender: Female
Family Number: 2634
Household Members:
Name Age
James E Cole 31
Sofiah L Cole 28
Adelia M Cole 1