You may have this information already, but I thought I'd send it along just in case.....

Source Citation: Year: 1870
Census Place: Greenville, Butler, Alabama
Roll M593_5; Page: 406B; Image: 195

Name: Thomas Gandy
Birth Year: abt 1860
Age in 1870: 10
Birthplace: Alabama
Home in 1870: Greenville, Butler, Alabama
Race: Mulatto

Rachel Gandy, Mulatto, 25, Domestic Servant, AL
Thomas Gandy, Black, 10, AL
Charity Gandy, Black, 5, AL
Olive Gandy, Black, 3, AL
Alex Gandy, Black, 3/12, AL
Felix Gandy, Black, 28, AL
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Source Citation: Year: 1880
Census Place: Dead Fall, Butler, Alabama
Roll T9_4; Page: 374 C; Enumeration District: 38

Jim Williams, Head, 38, Farmer, b. VA, parents b. VA, can't read or write
Rachall Williams, Wife, 37, Keeping House, b. GA, parents b. GA, can't read or write
Willie Williams, Son, 5, at home, AL
Jink Williams, Son, 3, at home, AL
Anna Williams, Daughter, 1, at home, AL
Amanda Williams, Daughter, 8M, b. Oct. of previous year, AL
Tom Gandy, Step-son, 16, Farm Laborer, AL, GA, GA, can't read or write
Charity Gandy, Step-daughter, 14, at home, AL, can't read or write
Ola Gandy, Step-daughter, 12, at home, AL, can't read or write
Ida Gandy, Step-daughter, 10, at home, AL, can't read or write

The whole family is designated as black.

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I found a marriage license for a GANDY who married someone named Rachel, but don't know if it's the correct people.

Name: John Gandy
Spouse: Rachel McAlister
Marriage Date: 20 Oct 1861
County: Blount
State: Alabama
Performed By Title: Justice of the Peace
Performed by Name: John Thompson
Source information: Jordan Dodd, Liahona Research