MS
Mary Simmons — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Mary Simmons across the 1920, 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 8-person household.
Age 45
b. ~1895
Female
Spouse
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Simmons |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | St Louis (City) |
| 1935 Residence (County) | St Louis City |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1895 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Claudine Simmons | Daughter | — | 17 | ~1923 |
| John Simmons | Head | — | 50 | ~1890 |
| Charles Simmons | Son | — | 8 | ~1932 |
| Calvin Simmons | Son | — | 5 | ~1935 |
| John Simmons | Son | — | 15 | ~1925 |
| Richard Simmons | Son | — | 12 | ~1928 |
| Floyd Simmons | Son | — | 10 | ~1930 |
| Mary Simmons | Spouse | — | 45 | ~1895 |
Census Appearances
1920
St Louis, …
Spouse, age 27
St Louis, Missouri · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
St Louis, …
Spouse, age 38
St Louis, Missouri · implied b. ~1892 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 18 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
St.-Louis-City-County, Missouri
Spouse, age 45
St.-Louis-City-County, Missouri · implied b. ~1895 — 8 household members
| Surname | Simmons |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | St Louis (City) |
| 1935 Residence (County) | St Louis City |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Mary Simmons across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Simmons
Spouse · 1940 · age 45 · b. ~1895 · Missouri
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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-t0627-02203-00927)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gabriel M Banks | 47 | Head | Washer | Missouri |
| 42 | Ida Banks | 45 | Wife | — | Missouri |
| 43 | Mary F Banks | 21 | Daughter | Teacher | Missouri |
| 44 | Gabriel Jr Banks | 19 | Son | — | Missouri |
| 45 | James A Banks | 15 | Son | — | Missouri |
| 46 | Forest C Banks | 13 | Son | — | Missouri |
| 47 | Norman Banks | 11 | Son | — | Missouri |
| 48 | Phillip Banks | 7 | Son | — | Missouri |
| 49 | Eva J Banks | 5 | Daughter | — | Missouri |
| 50 | David S Thinn | 48 | Head | Metal Packer | Mississippi |
| 51 | Estelle Thinn | 45 | Wife | — | Mississippi |
| 52 | James Logan | 35 | Boarder | Laborer | Mississippi |
| 53 | Bernadette Logan | 33 | Boarder | Maid | Mississippi |
| 54 | James H Travis | 37 | Head | Attendant | Illinois |
| 55 | Mattie Travis | 35 | Wife | — | Illinois |
| 56 | Rilla Travis | 15 | Daughter | — | Missouri |
| 57 | Norma Travis | 14 | Daughter | — | Missouri |
| 58 | Leroy Adkins | 45 | Head | Janitor | Arkansas |
| 59 | Fannie B Adkins | 43 | Wife | — | Mississippi |
| 60 | Laurence Adkins | 43 | Boarder | Laborer | Mississippi |
| 61 | John B Simmons | 50 | Head | Chauffeur | Mississippi |
| 62 | Mary Simmons THIS PERSON | 45 | Wife | — | Mississippi |
| 63 | Claudine Simmons | 17 | Daughter | — | Missouri |
| 64 | John Jr Simmons | 15 | Son | — | Missouri |
| 65 | Richard Simmons | 12 | Son | — | Missouri |
| 66 | Floyd Simmons | 10 | Son | — | Missouri |
| 67 | Charles Simmons | 8 | Son | — | Missouri |
| 68 | Calvin Simmons | 5 | Son | — | Missouri |
| 69 | Millie Mathew | 57 | Head | Seamstress | Missouri |
| 70 | Mary L Mathew | 15 | Daughter | — | Missouri |
| 71 | Frank Mischeaux | 24 | Son-in-law | Bus Boy | Missouri |
| 72 | Francis Mischeaux | 22 | Daughter | — | Missouri |
| 73 | Gwendolyn Forsen | 10 | Grandchild | — | Missouri |
| 74 | Jacqueline Forsen | 8 | Grandchild | — | Missouri |
| 75 | Robert D Burnam | 61 | Head | Porter | Kentucky |
| 76 | Caroline Burnam | 47 | Wife | Maid | Missouri |
| 77 | Robert Ezell | 43 | Son-in-law | Waiter | Illinois |
| 78 | Catherine Ezell | 25 | Daughter | — | Missouri |
| 79 | Robert Ezell | 3 | Grandchild | — | Missouri |
| 80 | Elroy Ezell | 3 | Grandchild | — | 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)