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Emma Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Emma Johnson across the 1920, 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 7-person household.
Age 63
b. ~1877
Female
Spouse
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Johnson |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | G 6 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1877 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Gloria Johnson | Daughter | — | 16 | ~1924 |
| Alice Preston | Daughter | — | 23 | ~1917 |
| Jasper Johnson | Head | — | 64 | ~1876 |
| Charles Preston | Other | — | 3 | ~1937 |
| Bobbie Preston | Other | — | 5 | ~1935 |
| Thomas Preston | Other | — | 1 | ~1939 |
| Emma Johnson | Spouse | — | 63 | ~1877 |
Census Appearances
1920
St Louis, …
Spouse, age 39
St Louis, Missouri · implied b. ~1881 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Maid |
| Industry | Hospital |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
St Louis, …
Spouse, age 51
St Louis, Missouri · implied b. ~1879 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Emma |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | Black |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 20 |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | Tennessee |
| Occupation | Laundress |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
St.-Louis-City-County, Missouri
Spouse, age 63
St.-Louis-City-County, Missouri · implied b. ~1877 — 7 household members
| Surname | Johnson |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | G 6 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Emma Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Emma Johnson
Spouse · 1940 · age 63 · b. ~1877 · Missouri
★ 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 — St.-Louis-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02201-00596)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louise Mary | 11 | Cousin | — | Missouri |
| 2 | Harnie Mitchel | 8 | Cousin | — | Missouri |
| 3 | Hattie Smith | 32 | Head | — | Mississippi |
| 4 | Edith Smith | 13 | Daughter | — | Missouri |
| 5 | Henry Smith | 11 | Son | — | Missouri |
| 6 | Lloyd Smith | 9 | Son | — | Missouri |
| 7 | Billie J. Smith | 7 | Daughter | — | Missouri |
| 8 | Audrey Smith | 5 | Daughter | — | Missouri |
| 9 | Ida Mae Hardin | 47 | Mother | Maid | Mississippi |
| 10 | Albert Thivier | 29 | Head | Butler | Arkansas |
| 11 | Authie N. Thivier | 24 | Wife | — | Arkansas |
| 12 | Albert Jr. Thivier | 4 | Son | — | Arkansas |
| 13 | Asbert Lochridge | 53 | Head | Clerk | Mississippi |
| 14 | Nancy B. Lochridge | 53 | Wife | — | Kentucky |
| 15 | Alfonzo Bradshaw | 31 | Step-son | Chauffeur | Kentucky |
| 16 | Thelma Brown | 43 | Head | Maid | Missouri |
| 17 | Hamster Haynes | 56 | Lodger | Laborer | Georgia |
| 18 | George King | 26 | Head | Chauffeur | Alabama |
| 19 | Maggie King | 25 | Wife | Cook | Alabama |
| 20 | Jasper Johnson | 64 | Head | Laborer | Mississippi |
| 21 | Emma Johnson THIS PERSON | 63 | Wife | — | Tennessee |
| 22 | Alice Preston | 23 | Daughter | — | Missouri |
| 23 | Bobbie J. Preston | 5 | Grand-daughter | — | Missouri |
| 24 | Charles Preston | 3 | Grand-son | — | Missouri |
| 25 | Thomas D. Preston | 1 | Grand-son | — | Missouri |
| 26 | Gloria Johnson | 16 | Daughter | — | Missouri |
| 27 | William Kelly | 46 | Head | Fire Builder | Mississippi |
| 28 | Pearl Kelly | 46 | Wife | — | Mississippi |
| 29 | William Terrell | 51 | Brother | Laborer | Mississippi |
| 30 | Ida C. James | 44 | Head | Mail Carrier | Arkansas |
| 31 | Johnnie B. James | 43 | Wife | — | Arkansas |
| 32 | Marie E. Hickin | 21 | Daughter | Beautician | Arkansas |
| 33 | Marian L. Hickin | 22 | Daughter | Clerk | Arkansas |
| 34 | Sumner Swink | 35 | Head | Chauffeur | Missouri |
| 35 | Arline Swink | 31 | Wife | — | Illinois |
| 36 | Lynette Swink | 12 | Daughter | — | Missouri |
| 37 | John Scott | 65 | Head | — | Tennessee |
| 38 | Hannie Scott | 50 | Wife | — | Missouri |
| 39 | Josephine Scott | 19 | Daughter | — | Missouri |
| 40 | Ruth Scott | 13 | Daughter | — | Missouri |
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)