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Ada Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Coahoma-County, Mississippi
Our Model Tree links this Ada Johnson across the 1920, 1930 and 1940 US Censuses in Coahoma-County, Mississippi (XGBoost, ~Confirmed), with identified parents John & Willie — first a spouse (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Female
Spouse
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Coahoma-County, Mississippi |
| Surname | Johnson |
| Given Name | Ada |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Coahoma |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Beat 3 |
| 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 Ada | Age | Birth yr |
|---|---|---|---|---|
| Jimmie Johnson | Daughter | — | 5 | ~1935 |
| Herman Johnson | Head | — | 37 | ~1903 |
| Herman Johnson | Son | — | 4 | ~1936 |
| R Johnson | Son | — | 2 | ~1938 |
| Ada Johnson | Spouse | — | 22 | ~1918 |
Census Appearances
1920
Coahoma, Mississippi
Daughter, age 2
Coahoma, Mississippi · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ada |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Coahoma, Mississippi
Daughter, age 11
Coahoma, Mississippi · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ada |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Coahoma-County, Mississippi
Spouse, age 22
Coahoma-County, Mississippi · implied b. ~1918 — 5 household members
| Surname | Johnson |
| Given Name | Ada |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Coahoma |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Ada Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Johnson (~0.92 confidence) and father Willie Johnson (~0.92 confidence) and mother Bula Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Johnson
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Willie Johnson
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Bula Johnson
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ada Johnson
Spouse · 1940 · age 22 · b. ~1918 · Mississippi
★ 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 — Coahoma-County, Mississippi
Open full size
1940 US Federal Census — Coahoma-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02016-00929)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edgar Liberty | 32 | Head | Farm Laborer | Mississippi |
| 42 | Willie Liberty | 22 | Wife | — | Mississippi |
| 43 | James Liberty | 4 | Son | — | Mississippi |
| 44 | Dorothy Liberty | 1 | Daughter | — | Mississippi |
| 45 | Frank Harden | 32 | Head | Farm Laborer | Mississippi |
| 46 | Addie B. Harden | 24 | Wife | — | Mississippi |
| 47 | Fayma Harden | 9 | Daughter | — | Mississippi |
| 48 | Rosie B. Harden | 5 | Daughter | — | Mississippi |
| 49 | K. D. Horton | 6 | Son | — | Mississippi |
| 50 | Selma Harden | 21 | Brother | Farm Laborer | Mississippi |
| 51 | Rodgers Matthews | 29 | Head | Farmer | Mississippi |
| 52 | Martha Matthews | 23 | Wife | — | Mississippi |
| 53 | Percy Woods | 20 | Head | Farmer | Mississippi |
| 54 | Idoria Woods | 16 | Wife | — | Mississippi |
| 55 | Nathaniel Davis | 40 | Head | Farmer | Arkansas |
| 56 | Ruby Davis | 37 | Wife | — | Louisiana |
| 57 | C. D. Davis | 15 | Son | — | Mississippi |
| 58 | Rosa Lee Davis | 12 | Daughter | — | Mississippi |
| 59 | Ethel Lee Davis | 4 | Daughter | — | Mississippi |
| 60 | Herman Johnson | 37 | Head | Farmer | Mississippi |
| 61 | Ada Johnson THIS PERSON | 22 | Wife | — | Mississippi |
| 62 | Jimmie Lee Johnson | 5 | Daughter | — | Mississippi |
| 63 | Herman Johnson | 4 | Son | — | Mississippi |
| 64 | R. L. Johnson | 2 | Son | — | Mississippi |
| 65 | Phillip Banks | 31 | Head | Farmer | Mississippi |
| 66 | Alice Banks | 31 | Wife | — | Mississippi |
| 67 | Lula Belle Banks | 10 | Daughter | — | Mississippi |
| 68 | Lucile Banks | 9 | Daughter | — | Mississippi |
| 69 | L. C. Banks | 7 | Son | — | Mississippi |
| 70 | Philip Jr. Banks | 5 | Son | — | Mississippi |
| 71 | Jake Ross | 29 | Head | Farmer | Mississippi |
| 72 | Gertrude Ross | 36 | Wife | — | Arkansas |
| 73 | Isaac Bush | 25 | Head | Farmer | Mississippi |
| 74 | Lena Mae Bush | 21 | Wife | — | Mississippi |
| 75 | Lizzie Mae Bush | 1 | Daughter | — | Mississippi |
| 76 | Nathan Herroma | 50 | Head | Farmer | Mississippi |
| 77 | Elmora Herroma | 18 | Wife | — | Arkansas |
| 78 | Charlie Chaney | 55 | Head | Farmer | Mississippi |
| 79 | Mary Green | 50 | Head | — | Arkansas |
| 80 | Johnnie Green | 11 | Son | — | Mississippi |
Pedigree Summary
Ada
Gen 1 · 3 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)