Hello glenda.
It seems there is a case of siblings-marryng-siblings here.
See this Thacker (Thacher) family and this Dykes family listed in the 1940 Census in Falcon, Quitman Co., MS (both families are listed in the same Census Sheet, (click here to see the original document). The Dykes family is listed in lines 16-22 and the Thacker family is listed starting in line 38 at the bottom of the page):
Name: Leter Thacher
Sex: Female
Age: 50 (50)
Birthplace: Tennessee
Marital Status: Widowed
| Household |
Role |
Sex |
Age |
Birthplace |
| Homer Thacher |
Son |
M |
26 |
Tennessee |
| R G Thacher |
Son |
M |
23 |
Mississippi |
|
|
Son |
M |
18 |
Mississippi |
| Georgia Ann Thacher |
Daughter |
F |
18 |
Mississippi |
| Nettie Thacher |
Daughter |
F |
15 |
Mississippi |
| Willand Thacher |
Son |
M |
12 |
Mississippi |
| Mary Thacher |
Daughter |
F |
9 |
Mississippi |
Name: B Dykes
Sex: Male
Age: 57 (57)
Birthplace: Mississippi
Marital Status: Married
| Household |
Role |
Sex |
Age |
Birthplace |
| Nellie Dykes |
Wife |
F |
46 |
Mississippi |
| Jonnie Dykes |
Son |
M |
24 |
Mississippi |
| Andrew Dykes |
Son |
M |
16 |
Mississippi |
| Leona Dykes |
Daughter |
F |
13 |
Mississippi |
| Homer Dykes |
Son |
M |
11 |
Mississippi |
| Joe Ann Dykes |
Daughter |
F |
7 |
Mississippi |
According to the "Find a Grave" record below, Nettie Thacker (the daughter of Isaac and Pauline Thacker) was the wife of Andrew Dykes (the son of James D. Dykes):
https://findagrave.com/memorial/111005022/nettie-arizona-dykes
Nettie's (and David's) father is listed in the 1930 Census, the family was living in Hardin Co., TN.
Name: Isaac Thacker
Sex: Male
Age: 46
Event Date: 1930
Event Place: District 06, Hardin, Tennessee, United States
Event Type: Census
Birthplace: Tennessee
Marital Status: Married
| Household |
Role |
Sex |
Age |
Birthplace |
| Anna Thacker |
Mother |
F |
68 |
Tennessee |
| Pauline Thacker |
Wife |
F |
37 |
Tennessee |
| Homer Thacker |
Son |
M |
15 |
Tennessee |
| Robert G Thacker |
Son |
M |
13 |
Mississippi |
| David Thacker |
Son |
M |
8 |
Mississippi |
| Georgia Thacker |
Daughter |
F |
8 |
Mississippi |
| Nettie Thacker |
Daughter |
F |
5 |
Mississippi |
| Willard K Thacker |
Son |
M |
3 |
Tennessee |
Citing this Record
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:2:1B78-33R : accessed 1 August 2022), Household of Isaac Thacker, District 06, Hardin, Tennessee, United States; citing enumeration district (ED) ED 12, sheet 2B, line 70, family 41, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2250; FHL microfilm 2,341,984.
Regarding the name of the father of Andrew (and Leona) Dykes, cited in Find a Grave as "James D. Dykes", he is listed "James W Dykes" in the 1920 Census and he is listed "Donie B Dykes" in the 1930 Census. See the records below:
Name: James W Dykes
Sex: Male
Age: 26
Event Date: 1920
Event Place: Beat 4, Pontotoc, Mississippi, United States
Birthplace: Mississippi
Marital Status: Married
| Household |
Role |
Sex |
Age |
Birthplace |
| Nellie May Dykes |
Wife |
F |
24 |
Mississippi |
| Ida May Dykes |
Daughter |
F |
6 |
Mississippi |
| John M Dykes |
Son |
M |
4 |
Mississippi |
| Sadie Bell Dykes |
Daughter |
F |
0 |
Mississippi |
Citing this Record
"United States Census, 1920", database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:2:QVP7-LJ77 : 2 February 2021), Household of James W Dykes, 1920.
Name: Donie B Dikes
Sex: Male
Age: 37
Event Date: 1930
Event Place: Beat 2, Itawamba, Mississippi, United States
Birthplace: Mississippi
Marital Status: Married
| Household |
Role |
Sex |
Age |
Birthplace |
| Nellie M Dikes |
Wife |
F |
36 |
Mississippi |
| John W Dikes |
Son |
M |
14 |
Mississippi |
| Soda B Dikes |
Daughter |
F |
11 |
Mississippi |
| Anna B Dikes |
Daughter |
F |
9 |
Mississippi |
| Andrew Dikes |
Son |
M |
6 |
Mississippi |
| Leona Dikes |
Daughter |
F |
4 |
Mississippi |
| Homer L Dikes |
Son |
M |
0 |
Mississippi |
Citing this Record
"United States Census, 1930," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:2:1Y2P-3YC : accessed 1 August 2022), Household of Donie B Dikes, Beat 2, Itawamba, Mississippi, United States; citing enumeration district (ED) ED 6, sheet 6B, line 86, family 125, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1150; FHL microfilm 2,340,885.
According to all the information n the records above, your grandparents David Thacker and Leona Dykes are siblings of Andrew Dykes and Nettie Thacker.
I hope you find helpful this information for your search.
