EC
Elizabeth Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Linn-County, Missouri
Our Model Tree links this Elizabeth Clark across the 1920, 1930 and 1940 US Censuses in Linn-County, Missouri (XGBoost, ~Confirmed), with identified parents David & Claud — first a daughter (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Missouri |
| Surname | Clark |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Locust Creek |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Locust Creek |
| Est. Birth Year | ~1918 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Clark | Daughter | — | 22 | ~1918 |
| Claud Clark | Head | — | 66 | ~1874 |
| Ava Clark | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Linn, Missouri
Daughter, age
Linn, Missouri · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Elizabeth |
| 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 |
1930
Linn, Missouri
Daughter, age 11
Linn, Missouri · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Elizabeth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Linn-County, Missouri
Daughter, age 22
Linn-County, Missouri · implied b. ~1918 — 3 household members
| Surname | Clark |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Locust Creek |
| 1935 Residence (County) | Linn |
| Highest Grade | H-4 |
| 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 Elizabeth Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Clark (~0.92 confidence) and father Claud Clark (~0.92 confidence) and father Claud Clark (~0.92 confidence) and mother Ava Clark (~0.92 confidence) and mother Eva Clark (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Clark
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Claud Clark
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Claud Clark
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Ava Clark
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Eva Clark
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Elizabeth Clark
Daughter · 1940 · age 22 · b. ~1918 · Missouri
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Linn-County, Missouri
Open full size
1940 US Federal Census — Linn-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02125-00441)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sam Thorne | 57 | Head | Farm Manager | Missouri |
| 2 | Sophia Thorne | 46 | Wife | — | Missouri |
| 3 | Wallace Thorne | 60 | Brother | — | Missouri |
| 4 | John Nolan Clark | 34 | Head | Farm Manager | Missouri |
| 5 | Opal Clark | 31 | Wife | — | Missouri |
| 6 | Phyllis Marilyn Clark | 6 | Daughter | — | Missouri |
| 7 | Claud Clark | 66 | Head | Farm Manager | Missouri |
| 8 | Ava Clark | 56 | Wife | — | Missouri |
| 9 | Elizabeth Clark THIS PERSON | 22 | Daughter | — | Missouri |
| 10 | Harold Westmore | 31 | Head | Farm Manager | Missouri |
| 11 | Dorothy Westmore | 31 | Wife | — | Missouri |
| 12 | Henry Brown | 45 | Head | Farm Manager | Missouri |
| 13 | Ocel Brown | 44 | Wife | — | Missouri |
| 14 | John M. Brown | 18 | Son | — | Missouri |
| 15 | Henry, Jr. Brown | 16 | Son | — | Missouri |
| 16 | Betty June Brown | 12 | Daughter | — | Missouri |
| 17 | Charles A. Seals | 65 | Head | Farm Manager | Virginia |
| 18 | Edith Seals | 50 | Wife | — | Missouri |
| 19 | Marion Seals | 18 | Daughter | — | Missouri |
| 20 | Hadley Seals | 25 | Son | Farm Hand | Missouri |
| 21 | Jesse Ailor | 53 | Head | Farm Manager | Missouri |
| 22 | Florence Ailor | 22 | Wife | — | Iowa |
| 23 | Joan Ailor | 6 | Daughter | — | Missouri |
| 24 | Betty Jean Ailor | 4 | Daughter | — | Missouri |
| 25 | Shirley Ailor | 3 | Daughter | — | Missouri |
| 26 | Jay H. Pence | 56 | Head | Farm Manager | Missouri |
| 27 | Alma Pence | 58 | Wife | — | Missouri |
| 28 | Merle Graham | 33 | Head | House Servant | Missouri |
| 29 | Carol A. Graham | 12 | Daughter | — | Illinois |
| 30 | Martha Anne Graham | 10 | Daughter | — | Missouri |
| 31 | S. M. Roland | 41 | Head | Farm Manager | Missouri |
| 32 | Lucille Roland | 35 | Wife | — | Missouri |
| 33 | Harry Jr. Roland | 13 | Son | — | Missouri |
| 34 | Kathleen Roland | 5 | Daughter | — | Oklahoma |
| 35 | O. N. Smith | 51 | Head | Farm Manager | Missouri |
| 36 | Anna Maude Smith | 50 | Wife | — | Illinois |
| 37 | Frances Smith | 17 | Daughter | — | Missouri |
| 38 | Essie May Smith | 14 | Daughter | — | Missouri |
| 39 | John Robert Smith | 12 | Son | — | Missouri |
| 40 | George Smith | 8 | Son | — | Missouri |
Pedigree Summary
Elizabeth
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)