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Betty Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Betty Clark across the 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Clark |
| Given Name | Betty Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1928 |
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 Betty | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Clark | Daughter | — | 19 | ~1921 |
| Rose Clark | Daughter | — | 5 | ~1935 |
| Marjorie Clark | Daughter | — | 14 | ~1926 |
| Betty Clark | Daughter | — | 12 | ~1928 |
| William Clark | Head | — | 52 | ~1888 |
| Shirley Clark | Daughter | — | 8 | ~1932 |
| Grace Clark | Spouse | — | 45 | ~1895 |
| Lawrence Clark | Son | — | 6 | ~1934 |
Census Appearances
1930
St Louis, …
Daughter, age 2
St Louis, Missouri · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Betty J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Daughter, age 12
St.-Louis-City-County, Missouri · implied b. ~1928 — 8 household members
| Surname | Clark |
| Given Name | Betty Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis |
| 1935 Residence (County) | St. Louis |
| Highest Grade | No 6 |
| 1935 Residence | Missouri |
| 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 Betty Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Betty Clark
Daughter · 1940 · age 12 · b. ~1928 · Missouri
★ You are viewing this record
Sibling
Shirley Clark
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Clark
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Clark
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Clark
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Clark
Sibling · 1940 · age 6
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-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-t0627-02200-00168)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Beauford Perkins | 11 | Head | — | Missouri |
| 2 | W. B. Perkins | 45 | Lodger | Mechanic | Missouri |
| 3 | Oscar Rangy | 31 | Head | Claim Investigator | Missouri |
| 4 | Helen Rangy | 29 | Wife | — | Missouri |
| 5 | Oscar Jr. Rangy | 5 | Son | — | Missouri |
| 6 | June Rangy | 3 | Daughter | — | Missouri |
| 7 | Helen Mary Rangy | 0 | Daughter | — | Missouri |
| 8 | Michael Rangy | 33 | Brother | Clerk | Missouri |
| 9 | Katrina Rangy | 58 | Mother | — | Sweden |
| 10 | Alexander Zatorski | 63 | Head | — | Poland |
| 11 | Stella Zatorski | 56 | Wife | — | Europe |
| 12 | Emily Kelly | 54 | Head | School Teacher | Missouri |
| 13 | Helen O. Kelly | 51 | Sister | School Teacher | Missouri |
| 14 | William Bazzle | 36 | Head | Wall Washer | Mississippi |
| 15 | Bessie Bazzle | 33 | Wife | — | Alabama |
| 16 | Rosalie Bazzle | 15 | Daughter | — | Arkansas |
| 17 | Charles Bazzle | 13 | Son | — | Mississippi |
| 18 | Clara Bazzle | 10 | Daughter | — | Missouri |
| 19 | Marie Bazzle | 8 | Daughter | — | Missouri |
| 20 | Leona June Bazzle | 6 | Daughter | — | Missouri |
| 21 | Jacqueline Bazzle | 2 | Daughter | — | Missouri |
| 22 | Mary Bazzle | 66 | Mother | — | Alabama |
| 23 | James Payne | 50 | Head | Laborer | Missouri |
| 24 | Martha Payne | 50 | Wife | — | Missouri |
| 25 | Thomas F. Dannon | 54 | Head | Finisher | Missouri |
| 26 | Susan Dannon | 50 | Wife | — | Missouri |
| 27 | Thomas F. Jr. Dannon | 23 | Son | Maintenance Man | Missouri |
| 28 | William Clark | 52 | Head | Contractor | Missouri |
| 29 | Grace E. Clark | 45 | Wife | — | Iowa |
| 30 | Dorothy Clark | 19 | Daughter | — | Missouri |
| 31 | Marjorie Clark | 14 | Daughter | — | Missouri |
| 32 | Betty Jean Clark THIS PERSON | 12 | Daughter | — | Missouri |
| 33 | Shirley Clark | 8 | Daughter | — | Missouri |
| 34 | Lawrence Clark | 6 | Son | — | Missouri |
| 35 | Rose Mary Clark | 5 | Daughter | — | Missouri |
| 36 | Jasper Little | 74 | Head | — | Illinois |
| 37 | Margaret Little | 65 | Wife | — | Missouri |
| 38 | Angelo Burnley | 45 | Head | Laborer | Missouri |
| 39 | Mary Burnley | 38 | Wife | — | Kentucky |
| 40 | Richard Burnley | 17 | Son | Painter Apprentice | 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)