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Mary Atkinson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this Mary Atkinson across the 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 6-person household.
Age 10
b. ~1930
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Atkinson |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Maplewood City |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Highest Grade | S 5 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Maplewood City |
| Est. Birth Year | ~1930 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elmer Atkinson | Daughter | — | 18 | ~1922 |
| Edward Heidringhaus | Head | — | 43 | ~1897 |
| Lottie Heidringhaus | Spouse | — | 33 | ~1907 |
| Edward Heidringhaus | Son | — | 3 | ~1937 |
| Hazel Hendricks | Son | — | 18 | ~1922 |
| Mary Atkinson | Daughter | — | 10 | ~1930 |
Census Appearances
1930
St Louis, …
Daughter, age
St Louis, Missouri · implied b. ~1930 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Atkinson |
| Given Name | Marie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Daughter, age 10
St.-Louis-County, Missouri · implied b. ~1930 — 6 household members
| Surname | Atkinson |
| Given Name | Mary F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Maplewood City |
| 1935 Residence (County) | St. Louis |
| Highest Grade | S 5 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Atkinson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Atkinson
Daughter · 1940 · age 10 · b. ~1930 · Missouri
★ You are viewing this record
Sibling
Elmer Atkinson
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Hendricks
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Heidringhaus
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — St.-Louis-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02150-00666)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry E. Stroll | 44 | Head | Gardner | Missouri |
| 2 | Ethel M. Stroll | 49 | Wife | — | Missouri |
| 3 | Mary X. Stroll | 15 | Daughter | — | Missouri |
| 4 | Orville Alexander | 77 | Father-in-law | — | Missouri |
| 5 | Louise Altenbernd | 67 | Head | — | Illinois |
| 6 | Charles Altenbernd | 47 | Son | Attorney | Missouri |
| 7 | Alfred E. Goodman | 34 | Head | Sheet Metal Worker | Missouri |
| 8 | Margaret M. Goodman | 34 | Wife | — | Missouri |
| 9 | Mary P. Goodman | 9 | Daughter | — | Missouri |
| 10 | Sara M. Goodman | 8 | Daughter | — | Missouri |
| 11 | Richard J. Goodman | 0 | Son | — | Missouri |
| 12 | Archie H. Meyer | 36 | Head | Clerk-Druggist | Missouri |
| 13 | Hyacinth H. Meyer | 37 | Wife | — | Missouri |
| 14 | Yvonne I. Meyer | 14 | Daughter | — | Missouri |
| 15 | Donald P. Meyer | 10 | Son | — | Missouri |
| 16 | Paul Henry F. Meyer | 59 | Son | — | Missouri |
| 17 | Ernest E. Dowling | 45 | Head | Foreman | Missouri |
| 18 | Filomena Dowling | 44 | Wife | Maintainance | Missouri |
| 19 | Ernest Roy Dowling | 24 | Son | Advertising | Missouri |
| 20 | Glenn R. Long | 31 | Head | Milk Driver | Missouri |
| 21 | Elsie D. Long | 25 | Wife | — | Missouri |
| 22 | Robert W. Long | 7 | Son | — | Missouri |
| 23 | Glenn G. Long | 4 | Son | — | Missouri |
| 24 | Louis Krummrich | 32 | Head | Mail Clerk | Iowa |
| 25 | Loretta X. Krummrich | 33 | Wife | — | Iowa |
| 26 | Elaine Krummrich | 3 | Daughter | — | Illinois |
| 27 | Lind Ann Krummrich | 1 | Daughter | — | Illinois |
| 28 | Edward Heidringhaus | 43 | Head | Policeman | Missouri |
| 29 | Lottie Heidringhaus | 33 | Wife | — | Missouri |
| 30 | Edward Gordon Heidringhaus | 3 | Son | — | Missouri |
| 31 | Elmer Atkinson | 18 | Daughter | — | Missouri |
| 32 | Mary F. Atkinson THIS PERSON | 10 | Daughter | — | Missouri |
| 33 | Hazel Alex Hendricks | 18 | Son | Truck Driver | Illinois |
| 34 | Pearl D. Hendricks | 54 | Head | — | Kentucky |
| 35 | William Hendricks | 28 | Son | Garage Mechanic | Kentucky |
| 36 | Robert Hendricks | 19 | Son | New Worker | Kentucky |
| 37 | Roy Hendricks | 16 | Son | Drug Clerk | Kentucky |
| 38 | Jean Hendricks | 13 | Daughter | — | Kentucky |
| 39 | Edwin W. Elbert | 32 | Head | Street Laborer | Missouri |
| 40 | Thelma Elbert | 27 | Wife | — | Illinois |
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)