MJ
Mamie Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Grady-County, Georgia
Our Model Tree links this Mamie Jones across the 1920, 1930 and 1940 US Censuses in Grady-County, Georgia (XGBoost, ~Confirmed), with identified parents Sandy & Lina — first a daughter (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Female
Daughter
Born: Georgia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Grady-County, Georgia |
| Surname | Jones |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Grady |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 10 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Laborer |
| Township / Ward | Cairo M D 753 |
| Est. Birth Year | ~1918 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mamie | Age | Birth yr |
|---|---|---|---|---|
| Abra Jones | Other | — | 2 | ~1938 |
| Mamie Jones | Daughter | — | 22 | ~1918 |
| Freddie Jones | Other | — | 4 | ~1936 |
| Mattie Jones | Other | — | 10 | ~1930 |
| Elijah Jones | Head | — | 54 | ~1886 |
Census Appearances
1920
Grady, Georgia
Daughter, age 3
Grady, Georgia · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Grady, Georgia
Daughter, age 10
Grady, Georgia · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Grady-County, Georgia
Daughter, age 22
Grady-County, Georgia · implied b. ~1918 — 5 household members
| Surname | Jones |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Grady |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 10 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mamie Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Sandy Jones (~0.84 confidence) and mother Lina Jones (~0.84 confidence) and father Eli Jones (~0.92 confidence) and mother Bunilla Jones (~0.92 confidence) and father Elijah Jones (~0.92 confidence) and father Elijah Jones (~0.92 confidence) and mother Mattie Jones (~0.92 confidence). The pedigree spans 2 generations with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.9
Father
Sandy Jones
b. ~1857
Source father>father
● Household
· direct · ~0.84
Mother
Lina Jones
b. ~1864
Source father>mother
● Household
· direct · ~0.84
Father
Eli Jones
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Bunilla Jones
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Elijah Jones
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Elijah Jones
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Mattie Jones
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mamie Jones
Daughter · 1940 · age 22 · b. ~1918 · Georgia
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Grady-County, Georgia
Open full size
1940 US Federal Census — Grady-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00679-00894)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruby Washington | 10 | Sister | — | Georgia |
| 2 | Otis Washington | 7 | Brother | — | Georgia |
| 3 | Bessie Washington | 2 | Sister | — | Georgia |
| 4 | James Jones | None | Lizzie | — | No 3 |
| 5 | Elijah Jones | 54 | Head | Laborer | Georgia |
| 6 | Mamie Jones THIS PERSON | 22 | Daughter | Laborer | Georgia |
| 7 | Mattie Jones | 10 | Granddaughter | — | Georgia |
| 8 | Freddie Jones | 4 | Grandson | — | Georgia |
| 9 | Abra Jones | 2 | Grandson | — | Georgia |
| 10 | Angus Jones | 28 | Head | Laborer | Georgia |
| 11 | Eldora Jones | 25 | Wife | No No No No H | Georgia |
| 12 | Winniebeth Jones | 2 | Daughter | — | Georgia |
| 13 | Vlina Jones | 1 | Daughter | — | Georgia |
| 14 | Andrew Merrick | 57 | Head | Laborer | Georgia |
| 15 | Mary Merrick | 49 | Wife | No No No No H | Georgia |
| 16 | Adil Merrick | 17 | Son | Laborer | Georgia |
| 17 | Ellie Merrick | 10 | Daughter | — | Georgia |
| 18 | Wilmer Maxwell | 22 | Head | Laborer | Florida |
| 19 | Dollie Maxwell | 21 | Wife | No No No No H | Georgia |
| 20 | Horne Wayne Maxwell | 2 | Son | — | Georgia |
| 21 | Bill Walker | 69 | Head | Laborer | Georgia |
| 22 | Vandelia Walker | 73 | Wife | No No No No H | Florida |
| 23 | Drucilla Walker | 60 | Head | No No No No U | Georgia |
| 24 | Rochelle Walker | 29 | Daughter | Laborer | Georgia |
| 25 | John L. Walker | 23 | Son | Laborer | Georgia |
| 26 | Willie Walker | 15 | Son | No No No No H | Georgia |
| 27 | Nathan Smith | 30 | Head | No No No No U | S. Carolina |
| 28 | Minnie Smith | 20 | Wife | No No No No H | Georgia |
| 29 | Annie Miller | 20 | Head | No No No No H | Georgia |
| 30 | Rencer Miller | 16 | Grandson | Laborer | Georgia |
| 31 | Drain Mattie Miller | 6 | Granddaughter | — | Georgia |
| 32 | Ora Johnson | 30 | Head | Laborer | Florida |
| 33 | Jammie Johnson | 32 | Wife | No No No No H | Georgia |
| 34 | Lulie Johnson | 3 | Daughter | — | Georgia |
| 35 | Annie M. Johnson | 2 | Daughter | — | Georgia |
| 36 | Ira G. Johnson | 0 | Son | — | Georgia |
| 37 | James Walker | 70 | Head | 7 | Georgia |
| 38 | Annie Walker | 65 | Wife | 5 | Georgia |
| 39 | Albert Walker | 31 | Son | Laborer | Georgia |
| 40 | Jack Walker | 19 | Son | Laborer | Georgia |
Pedigree Summary
Mamie
Gen 1 · 5 parents
~0.92
Gen 2 · 2 grandparents
~0.84
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)