1850 census has different mother and 2 oldest siblings, but does have Tennissee and Mary E as siblings.
Sources
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCDZ-18W : 9 November 2014), William Ragan in household of James W Ragan, Dickson county, Dickson, Tennessee, United States; citing family 318, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
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