G2G: Who were the parents of John Rockhouse Sizemore?

Question

On 14 Jun 2023 Jillaine Smith wrote on Sizemore-78:

Who was the father of John "Rockhouse" Sizemore? I'm starting a G2G discussion thread to explore the various theories and identify the most reliable sources and evidence. I encourage profile managers and others following this profile to share their research. Many thanks!

Answer 1

Theory 1: Son of George "All" Sizemore-1198 and Agnes (possibly Shepherd):

For: 

John Rockhouse Sizemore was found in the same area of Kentucky that George and Agnes lived in, namely what became Hyden, in what is now Leslie County. (I believe it was Clay County prior to 1878.)

Against:

yDNA results for a descendant of John's presumed son, Wilkerson, match those of descendants of John "Gourd" Sizemore.^{[citation needed]} 

This is strong evidence that Wilkerson's presumed father, John Rockhouse Sizemore, was not the son of George "All" Sizemore, but the son of this George Sizemore, a brother of John "Gourd" Sizemore OR that Wilkerson Sizemore was not the son of John Rockhouse Sizemore.

The problem with this theory is that birth estimates of the alternative father and son are only three years apart.

Comments

Notes from my files:

Photo of headstone from:

http://www.globalgraffiti.com/family/sizemore/rockhouse_headstone .jpg

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Sizemores were among the first settlers of what is now Leslie Co., KY(originally Knox Co.).  John Sizemore had the 1st residence built at mouth of Rockhouse Creek of the middle fork of th KY River where the town of Hyden, Leslie Co. KY now stands.  Came from North Carolina with wife Nancy  about 1817 ,

1810

John Sizemore

[John "Rockhouse" Sizemore]

Home in 1810 (City, County, State): Clay, Kentucky

Free White Persons - Males - Under 10:             1

Free White Persons - Males - 16 thru 25: 1

Free White Persons - Females - Under 10: 1

Free White Persons - Females - 16 thru 25: 1

Number of Household Members Under 16: 2

Number of Household Members: 4

Year: 1810; Census Place: Clay, Kentucky; Roll: 9; Page: 151; Image: 00159; Family History Library Film: 0181354

Series: M33  Roll: 19  Page: 91      Pg. 113

1820 Federal Census, Clay Co., Kentucky   15 Dec 1820

John Sizemore   2 1 0 0 1 0 - 3 2 1 0 0 - 0 - 0

2 males under 10 (Henry 9 & William 7)

1 male 10-16 (Wilbourne 13)

1 male 26-45  (John 44)

3 female under 10 (Mahala 6 & Susan 4)

2 female 10-16 (Sarah 15 & Mary 10)

1 female 16-26 (Nancy)

Dickey Diary

Roll 3  Pg 2204-5  27 Mar 1898  Bull Creek

Sizemore, John

Son of "old" George and Aggie.  Information by Felix T. Begley

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Find A Grave Index

Name:

John Sizemore

Alias:

Rockhouse

Event Type:

Burial

Event Place:

Hyden, Leslie, Kentucky, United States of America

Event Place (Original):

Hyden, Leslie, Kentucky, United States of America

Photograph Included:

Y

Cemetery:

Presbyterian Church Cemetery

Note:

Contains Biography

Affiliate Record Identifier:

127219644

Affiliate Image Identifier:

127219644

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John "Rockhouse" Sizemore

Birth: 1770 Wilkesboro, Wilkes County, North Carolina, USA

Death: 1850 (aged 79–80) Hyden, Leslie County, Kentucky, USA

Burial: Presbyterian Church Cemetery, Hyden, Leslie County, Kentucky, USA

Memorial #: 35940852

Bio: Son of George "All" Sizemore and Agnes (Shepherd)

Husband of Nancy Bowling

Family Members

Parents

George Edward Sizemore                1750-1822

Agnes Cornett Sizemore                1750-1839

Spouse

Nancy Bowling Sizemore                1783-1877

Siblings

Winifred Minerva (Winnie) Sizemore Begley                1772-1855

Edward Sizemore                1778-1855

George Goldenhawk Sizemore                1783-1864

Susan Sizemore Bowling                1784-1862

Rhoda Sizemore Wilder                1784-1829

Henry Sizemore                1790-1871

Half Siblings

Sarah Sizemore Osborne                1770-1820

Lydia Sizemore Blevins                1775-1830

George J Sizemore                1796-1877

Children

Mary Sizemore Asher                1807-1853

Henry Sizemore                1811-1880

Mahala Sizemore Couch                1814-1863

Susan Sizemore Sizemore                1816-1897

James Sizemore                1820-1904

Carr Sizemore                1825-1872

John Sizemore                1829-1885

Created by: Sherry (Tackett) Plowman (46933002)

Added: 16 Apr 2009

URL: https://www.findagrave.com/memorial/35940852/john-sizemore

Citation: Find a Grave, database and images (https://www.findagrave.com : accessed 25 January 2021), memorial page for John "Rockhouse" Sizemore (1770–1850), Find a Grave Memorial no. 35940852, citing Presbyterian Church Cemetery, Hyden, Leslie County, Kentucky, USA ; Maintained by Sherry (Tackett) Plowman (contributor 46933002) .

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Thanks, Linda, for sharing your notes.

Unfortunately, the Find-a-Grave memorial provides no source or explanation for why the memorial-keeper believes John Rockhouse Sizemore was son of George and Agnes. It's possible-- we'd just like to confirm it.  I'm also worried that the DNA evidence shared above works against that theory .