Margaret Carson Perrin was married twice:

1st to George Miller Blocker (FAG 178721937)
Their children were:
1) Sarah Perrin "Sallie" Blocker Neville (b 1846 SC) (95557515)
2) Mary Perrin Blocker (b 1848 SC)
3) George Miller Blocker, Jr (b 1850 AL) (95555136)

2nd marriage was in 1859 to Dr Richard G Dillon (born in Ireland)
Their son, William E Dillon born in 1860 in Kemper, MS (95555370)

Margaret would die in Kemper County between 1860 and 1870
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1880 US Federal Census
Beat 2, Noxubee, MS

R G Dillon Age 60 (1820 MS) Stepfather, Widower
Physician

George M Blocker Age 27 and Bettie W Blocker Age 23 (1852-1901)
William Dillon Age 19
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Edgefield Advertiser (Edgefield, SC) Wed, 22 Feb 1860

State of South Carolina, Edgefield District

M W Abney and wife vs George Miller Trustee, Isabella M Blocker et all
It appearing to my satisfaction that the Defendents: R G Dillon, Margaret Dillon, Robert Perrin, Sarah Blocker, Mary Blocker and George Blocker Jr – the last 3 being minor children of George M Blocker, decd – reside beyond the limits of this State.
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1860 US Federal Census
Scooba, Kemper, MS

R G Dillon 35
Margaret Dillon 30
Sallie Blocker 14
Mary Blocker 12
George Blocker 10
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1859 - Mississippi Marriages, 1776-1935
Name: Margaret C. Blocker
Spouse: Richard M. Dillon
Marriage Date: 1 Dec 1859
County: Noxubee
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1854 - Her father's Probate Documents show her as "Margaret C Blocker living in Noxubee, Mississippi"
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1850 United States Federal Census
The District, Edgefield, South Carolina, USA

George M Blocker 30 Planter
Margaret C Blocker 24
S P Blocker 4
M P Blocker 1