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Bertha Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pettis-County, Missouri
Our Model Tree links this Bertha Clark across the 1930 and 1940 US Censuses in Pettis-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pettis-County, Missouri |
| Surname | Clark |
| Given Name | Bertha May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (County) | Pettis |
| Additional Details | |
| Highest Grade | No 7 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Elk Fork Twp |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Leon Clark | Son | — | 16 | ~1924 |
| Harvey Clark | Son | — | 5 | ~1935 |
| Pearlean Clark | Daughter | — | 12 | ~1928 |
| Bertha Clark | Daughter | — | 14 | ~1926 |
| Madge Clark | Spouse | — | 46 | ~1894 |
| Wilbur Clark | Son | — | 20 | ~1920 |
| Brashud Clark | Head | — | 47 | ~1893 |
| June Clark | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Pettis, Missouri
Daughter, age 4
Pettis, Missouri · implied b. ~1926 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Bertha M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Pettis-County, Missouri
Daughter, age 14
Pettis-County, Missouri · implied b. ~1926 — 8 household members
| Surname | Clark |
| Given Name | Bertha May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (County) | Pettis |
| Highest Grade | No 7 |
| 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 Bertha Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Clark
Daughter · 1940 · age 14 · b. ~1926 · Missouri
★ You are viewing this record
Sibling
June Clark
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilbur Clark
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harvey Clark
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearlean Clark
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leon Clark
Sibling · 1940 · age 16
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 — Pettis-County, Missouri
Open full size
1940 US Federal Census — Pettis-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02139-00093)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Doris J. Moore | 3 | Daughter | — | Missouri |
| 2 | James W. Rice | 53 | Head | — | Indiana |
| 3 | Brashud Clark | 47 | Head | On Farm | Missouri |
| 4 | Madge Clark | 46 | Wife | — | Missouri |
| 5 | Wilbur Clark | 20 | Son | On Farm | Missouri |
| 6 | Leon Clark | 16 | Son | On Farm | Missouri |
| 7 | Bertha May Clark THIS PERSON | 14 | Daughter | — | Missouri |
| 8 | Pearlean Clark | 12 | Daughter | — | Missouri |
| 9 | June M. Clark | 10 | Daughter | — | Missouri |
| 10 | Harvey B. Clark | 5 | Son | — | Missouri |
| 11 | Hiram J. Garn | 78 | Head | — | Missouri |
| 12 | Vesta E. Garn | 46 | Daughter | Grade School Dist | Missouri |
| 13 | Albert C. Lyle | 29 | Head | — | Illinois |
| 14 | Fred R. Lyle | 64 | Brother | — | Missouri |
| 15 | Bert Miller | 65 | Head | — | Missouri |
| 16 | B. Burt Clevenger | 29 | Nephew | Farmer | Missouri |
| 17 | Alta Fay Clevenger | 26 | Wife | — | Missouri |
| 18 | Beverly Ann Clevenger | 3 | Daughter | — | Missouri |
| 19 | John W. Hale | 53 | Head | Farmer | Missouri |
| 20 | Laura A. Hale | 43 | Wife | — | Missouri |
| 21 | H. June Hale | 13 | Daughter | — | Oklahoma |
| 22 | Betty Ann Hale | 10 | Daughter | — | Missouri |
| 23 | John W. Jr. Hale | 4 | Son | — | Missouri |
| 24 | Stuart J. Schmidt | 45 | Head | Farmer | North Dakota |
| 25 | Minnie L. Schmidt | 39 | Wife | — | Missouri |
| 26 | Alin D. Ragar | 36 | Head | Farmer | Missouri |
| 27 | Christine Ragar | 33 | Wife | — | Missouri |
| 28 | Ala Ray Ragar | 5 | Daughter | — | Missouri |
| 29 | Aubrey O. Ragar | 65 | Head | On Farm | Missouri |
| 30 | Mollie Ragar | 63 | Wife | — | Missouri |
| 31 | Luther D. Keightley | 30 | Head | Labor | Missouri |
| 32 | Linnie Lee Keightley | 30 | Wife | — | Missouri |
| 33 | Arlene F. Keightley | 13 | Daughter | — | Missouri |
| 34 | Bobbie D. Keightley | 9 | Son | — | Missouri |
| 35 | Ray E. Keightley | 6 | Son | — | Missouri |
| 36 | Shirley Lee Keightley | 3 | Daughter | — | Missouri |
| 37 | Gerald Wayne Keightley | 1 | Son | — | Missouri |
| 38 | Ruby Keightley | 40 | Daughter | — | Missouri |
| 39 | Robert L. Keightley | 6 | Nephew | — | Missouri |
| 40 | Earl T. Embree | 30 | Head | Farmer | 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)