The 1930 census shows Cora as a widow and the Head of Household. She's indexed as HOPKIN.

Source Citation: Year: 1930
Census Place: Madison Crossroads, Madison, Alabama
Roll 37; Page: 2A; Enumeration District: 24
Name: Cora Hopkin
Home in 1930: Madison Crossroads, Madison, Alabama
Age: 45
Estimated Birth Year: abt 1885
Birthplace: Tennessee

Cora Hopkin, Head, 45, Wd, age at first marriage: 17, TN, TN, TN, Farming
Felman ? Hopkin, Son, 16, AL, TN, TN
Alfred Hopkin, Son, 13, AL
M Emma Hopkin, Daughter, 12, AL, TN, TN
C B Hopkin, Son, 7, AL, TN, TN

None of the children attend school. If you want to trace Charley backwards he's in Lincoln Co., TN in 1910 and 1900. You might want to post to the Lincoln Co. Message Board:

http://boards.rootsweb.com/localities.northam.usa.states.ten...

You could also post to the Hopkins or Thrasher surname boards for more help.

http://boards.rootsweb.com/surnames.hopkins/mb.ashx

http://boards.rootsweb.com/surnames.thrasher/mb.ashx