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Betty Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this Betty Clark across the 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Clark |
| Given Name | Betty L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Normandy |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Normandy |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Betty | Age | Birth yr |
|---|---|---|---|---|
| James Clark | Son | — | 9 | ~1931 |
| Carrie Lindsey | Other | — | 59 | ~1881 |
| Ruth Clark | Daughter | — | 4 | ~1936 |
| Jack Clark | Son | — | 16 | ~1924 |
| Erna Clark | Spouse | — | 35 | ~1905 |
| Russel Clark | Son | — | 7 | ~1933 |
| Harry Clark | Head | — | 43 | ~1897 |
| Donald Clark | Son | — | 11 | ~1929 |
| Betty Clark | Daughter | — | 14 | ~1926 |
Census Appearances
1930
St Louis, …
Daughter, age 3
St Louis, Missouri · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Betty L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Missouri |
| Can Read/Write | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Daughter, age 14
St.-Louis-County, Missouri · implied b. ~1926 — 9 household members
| Surname | Clark |
| Given Name | Betty L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Normandy |
| 1935 Residence (County) | St. Louis |
| Income (1939) | 0 |
| Highest Grade | 7 |
| 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 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 14 · b. ~1926 · Missouri
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Sibling
Donald Clark
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Clark
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Clark
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Clark
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russel Clark
Sibling · 1940 · age 7
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-t0627-02153-00017)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Douglas L. Bruce | 24 | Head | Switchman | Missouri |
| 2 | Bernice Bruce | 25 | Wife | — | Missouri |
| 3 | John T. Jr. Reddick | 29 | Head | Clerk | Missouri |
| 4 | Martha Reddick | 28 | Wife | — | Missouri |
| 5 | Leslie Blackwell | 24 | Head | Salesman | Missouri |
| 6 | Esther Blackwell | 21 | Wife | — | Missouri |
| 7 | Judith M. Blackwell | 0 | Daughter | — | Missouri |
| 8 | E. R. Kueckhaus | 52 | Head | Shipping Clerk | Missouri |
| 9 | Georgia Kueckhaus | 53 | Wife | — | Missouri |
| 10 | Robt. E. Kueckhaus | 20 | Son | Book-Keeper | Missouri |
| 11 | Geo. E. Kueckhaus | 16 | Son | — | Missouri |
| 12 | Harry Clark | 43 | Head | Deliveryman Truck-Driver | Indiana |
| 13 | Erna S. Clark | 35 | Wife | — | Missouri |
| 14 | Jack H. Clark | 16 | Son | — | Missouri |
| 15 | Betty L. Clark THIS PERSON | 14 | Daughter | — | Missouri |
| 16 | Donald W. Clark | 11 | Son | — | Missouri |
| 17 | James K. Clark | 9 | Son | — | Missouri |
| 18 | Russel E. Clark | 7 | Son | — | Missouri |
| 19 | Ruth K. Clark | 4 | Daughter | — | Missouri |
| 20 | Carrie Lindsey | 59 | Mother-in-law | — | Missouri |
| 21 | Everett J. Lakey | 35 | Head | Manager | Missouri |
| 22 | Mildred O. Lakey | 34 | Wife | — | Missouri |
| 23 | Mildred Lakey | 16 | Daughter | — | Missouri |
| 24 | James Lakey | 12 | Son | — | Missouri |
| 25 | Ronald Lakey | 2 | Son | — | Missouri |
| 26 | Daniel A. Brown | 63 | Head | Packer | Indiana |
| 27 | Nettie J. Brown | 63 | Wife | — | Indiana |
| 28 | Raymond Rankin | 24 | Head | Laborer | Missouri |
| 29 | Helen Rankin | 21 | Wife | — | Illinois |
| 30 | Raymond Rankin | 3 | Son | — | Missouri |
| 31 | Donald Rankin | 1 | Son | — | Missouri |
| 32 | Jean Rankin | 0 | Daughter | — | Missouri |
| 33 | Edward Rankin | 26 | Head | Laborer | Missouri |
| 34 | Velma Rankin | 21 | Wife | — | Missouri |
| 35 | Barbara Rankin | 2 | Daughter | — | Missouri |
| 36 | Joan Rankin | 0 | Daughter | — | Missouri |
| 37 | Walter Flannery | 35 | Head | Clerk | Missouri |
| 38 | Florence Flannery | 26 | Wife | — | Missouri |
| 39 | Sharon Flannery | 5 | Daughter | — | Missouri |
| 40 | Judith Flannery | 0 | 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)