Her father's name may be Mark Whitaker. Must source before confirming. Also, Polly was generally a nickname for girls named Mary. There is a possibility that Mary was part of her name, as in Mary Lavica Whitaker.
United States Census, 1850
Name William Joiner
Event Type Census
Event Year 1850
Event Place Wayne county, Wayne, Missouri, United States
Gender Male
Age 12
Race White
Birth Year (Estimated) 1838
Birthplace Missouri
House Number 516
Household, Role, Sex, Age, Birthplace
Joshua Joiner M 34 Illinois
Lavica Joiner F 28 Illinois
William Joiner M 12 Missouri
Sarah M Joiner F 11 Missouri
Elijah Joiner M 2 Missouri
David Joiner M 0 Missouri
1860 United States Federal Census
Name Joshua Joiner
<b>Age 44
<b>Birth Year abt 1816
<b>Gender Male
<b>Birth Place Tennessee
<b>Home in 1860 St Francois, Wayne, Missouri
<b>Post Office Greenville
<b>Family Number 243
<b>Household Members Name Age
Joshua Joiner 44
Polly Joiner 50
Melissia Joiner 20
Elijah Joiner 11
David Joiner 8
Eliza Joiner 6
William Leach 17
Margret Jackson 7
Sources
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:V5PD-659 : 9 November 2014), William Joiner in household of Joshua Joiner, Wayne county, Wayne, Missouri, United States; citing family 529, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
Year: 1860; Census Place: St Francois, Wayne, Missouri; Roll: M653_660; Page: 630; Family History Library Film: 803660. Source Information
Ancestry.com. 1860 United States Federal Census [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2009. Images reproduced by FamilySearch. Original data: 1860 U.S. census, population schedule. NARA microfilm publication M653, 1,438 rolls. Washington, D.C.: National Archives and Records Administration, n.d. See: http://ancstry.me/2qeBuQw.
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