MJ
Mamie Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Laurens-County, South Carolina
Our Model Tree links this Mamie Johnson across the 1920, 1930 and 1940 US Censuses in Laurens-County, South Carolina (XGBoost, ~Confirmed), with identified parents Elyard & Ella — first a daughter (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Laurens-County, South Carolina |
| Surname | Johnson |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (County) | Laurens |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Jacks Township |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mamie | Age | Birth yr |
|---|---|---|---|---|
| Mamie Johnson | Daughter | — | 22 | ~1918 |
| Griffin Johnson | Head | — | 59 | ~1881 |
| Oliver Johnson | Other | — | 14 | ~1926 |
| Ella Johnson | Spouse | — | 59 | ~1881 |
Census Appearances
Daughter, age
Laurens, South Carolina · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Minnie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Laurens, South …
Daughter, age 11
Laurens, South Carolina · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Laurens-County, South …
Daughter, age 22
Laurens-County, South Carolina · implied b. ~1918 — 4 household members
| Surname | Johnson |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (County) | Laurens |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Elyard Johnson (~0.92 confidence) and mother Ella Johnson (~0.92 confidence) and father Griffin Johnson (~0.92 confidence) and father Goffery Johnson (~0.92 confidence) and mother Bessie Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Elyard Johnson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Ella Johnson
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Griffin Johnson
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Goffery Johnson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Bessie Johnson
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mamie Johnson
Daughter · 1940 · age 22 · b. ~1918 · South Carolina
★ 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 — Laurens-County, South Carolina
Open full size
1940 US Federal Census — Laurens-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03821-00556)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Son Pringle | None | M | — | — |
| 2 | Earnest Richey | 44 | Head | 48 | South Carolina |
| 3 | Aurelia Richey | 29 | Wife | — | South Carolina |
| 4 | Thomaslee Richey | 15 | Daughter | 48 | South Carolina |
| 5 | Margarett Richey | 11 | Daughter | — | South Carolina |
| 6 | Willie Joe Richey | 10 | Son | — | South Carolina |
| 7 | Mary Richey | 9 | Daughter | — | South Carolina |
| 8 | Bobby James Richey | 5 | Son | — | South Carolina |
| 9 | Raymond Richey | 1 | Son | — | South Carolina |
| 10 | Lula P. Wier | 60 | Head | — | South Carolina |
| 11 | Sally Leigh | 65 | Sister | — | South Carolina |
| 12 | Bennie Works | 50 | Head | 48 | South Carolina |
| 13 | James Works | 22 | Son | 48 | South Carolina |
| 14 | John D. Works | 18 | Son | — | South Carolina |
| 15 | Ora Works | 28 | Daughter | — | South Carolina |
| 16 | Mamie Works | 46 | Lodger | — | South Carolina |
| 17 | Cathalee Works | 13 | Daughter-in-law | — | South Carolina |
| 18 | Sam B. Mobley | 74 | Head | 30 | South Carolina |
| 19 | Robert Walker | 57 | Head | — | South Carolina |
| 20 | Sally Walker | 56 | Wife | — | South Carolina |
| 21 | Mattie Lee Walker | 33 | Daughter | 48 | South Carolina |
| 22 | Bernice Walker | 31 | Son | 48 | South Carolina |
| 23 | Thomas Walker | 12 | Grandson | — | South Carolina |
| 24 | Claude D. Kernells | 40 | Head | 40 | Georgia |
| 25 | Ola Kernells | 37 | Wife | 40 | South Carolina |
| 26 | Jacqueline Kernells | 10 | Daughter | — | South Carolina |
| 27 | Claude Jr. Kernells | 5 | Son | — | South Carolina |
| 28 | William Adair | 25 | Head | 48 | South Carolina |
| 29 | Mary Adair | 21 | Wife | — | South Carolina |
| 30 | Sam Hunter | 67 | Head | 48 | South Carolina |
| 31 | Annie C. Hunter | 66 | Wife | — | South Carolina |
| 32 | Metts Larry Hunter | 31 | Son-in-law | 48 | South Carolina |
| 33 | Virilla Hunter | 33 | Wife | 20 | South Carolina |
| 34 | Larry Jr. Hunter | 7 | Son | — | South Carolina |
| 35 | Rufus Hunter | 36 | Head | 40 | South Carolina |
| 36 | Eva Hunter | 30 | Wife | — | South Carolina |
| 37 | Griffin Johnson | 59 | Head | 48 | South Carolina |
| 38 | Ella Johnson | 59 | Wife | — | South Carolina |
| 39 | Mamie Johnson THIS PERSON | 22 | Daughter | — | South Carolina |
| 40 | Oliver Johnson | 14 | Grandson | — | South Carolina |
Related Census Records
Pedigree Summary
Mamie
Gen 1 · 5 parents
~0.92
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)