EC
Elizabeth Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Elizabeth Clark across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 3-person household.
Age 51
b. ~1889
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Clark |
| Given Name | Elizabeth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1889 |
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 |
|---|---|---|---|---|
| Raymond Clark | Head | — | 54 | ~1886 |
| Raymond Clark | Son | — | 30 | ~1910 |
| Elizabeth Clark | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age 29
Allegheny, Pennsylvania · implied b. ~1891 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Elizabeth |
| Relationship to Head | boarder |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Servant |
| Industry | Private Family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Other, age 40
Allegheny, Pennsylvania · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Elizabeth |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 51
Allegheny-County, Pennsylvania · implied b. ~1889 — 3 household members
| Surname | Clark |
| Given Name | Elizabeth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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.
Show:
This person
Anchor record
Elizabeth Clark
Spouse · 1940 · age 51 · b. ~1889 · Pennsylvania
★ 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03657-00095)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gertrude Drubala | 12 | Daughter | — | Pennsylvania |
| 2 | Alice Hoffman | 76 | Head | — | Pennsylvania |
| 3 | Charles Burnham | 56 | Nephew | Chauffeur | Pennsylvania |
| 4 | William J. Watterson | 70 | Head | Carpenter | Pennsylvania |
| 5 | Anna Watterson | 71 | Wife | — | Pennsylvania |
| 6 | Agnes Watterson | 43 | Daughter | Proprietor - Beautician | Pennsylvania |
| 7 | Gertrude Watterson | 26 | Daughter | General Office Clerk | Pennsylvania |
| 8 | Walter Sarnowski | 35 | Head | Truck Driver | Pennsylvania |
| 9 | Blanche Sarnowski | 31 | Wife | — | Pennsylvania |
| 10 | Frank Adzymanski | 27 | Head | Salesman | Pennsylvania |
| 11 | Stella Adzymanski | 24 | Wife | — | Pennsylvania |
| 12 | Frank Jr. Adzymanski | 5 | Son | — | Pennsylvania |
| 13 | Rosemary Adzymanski | 3 | Daughter | — | Pennsylvania |
| 14 | William Adzymanski | 2 | Son | — | Pennsylvania |
| 15 | Shirley Adzymanski | 1 | Daughter | — | Pennsylvania |
| 16 | Frank Bartnicki | 67 | Head | — | Poland |
| 17 | Mary Bartnicki | 64 | Wife | — | Poland |
| 18 | Jane Bartnicki | 30 | Daughter | Operator | Pennsylvania |
| 19 | Felix Romanowski | 38 | Head | Salesman | Poland |
| 20 | Apollonia Romanowski | 36 | Wife | — | Pennsylvania |
| 21 | Raymond Romanowski | 9 | Son | — | Pennsylvania |
| 22 | Roman Leppre | 46 | Head | Core Maker | Pennsylvania |
| 23 | Bernice Leppre | 41 | Wife | — | Pennsylvania |
| 24 | Dorothy Leppre | 18 | Daughter | New Worker | Pennsylvania |
| 25 | Bernice Leppre | 11 | Daughter | — | Pennsylvania |
| 26 | Norbert Leppre | 7 | Daughter | — | Pennsylvania |
| 27 | Adam Finley | 54 | Head | Conductor | Ireland |
| 28 | Mary Finley | 52 | Wife | — | Michigan |
| 29 | David Finley | 28 | Son | Laborer | Pennsylvania |
| 30 | Robert Finley | 21 | Son | Houseman | Pennsylvania |
| 31 | Anna Finley | 29 | Daughter | Seamstress | Pennsylvania |
| 32 | Eleanor Finley | 17 | Daughter | — | Pennsylvania |
| 33 | John Finley | 15 | Son | — | Pennsylvania |
| 34 | William Finley | 14 | Son | — | Pennsylvania |
| 35 | Thomas Finley | 12 | Son | — | Pennsylvania |
| 36 | George Finley | 11 | Son | — | Pennsylvania |
| 37 | Betty Finley | 10 | Daughter | — | Pennsylvania |
| 38 | Raymond Clark | 54 | Head | Bookkeeper | Pennsylvania |
| 39 | Elizabeth Clark THIS PERSON | 51 | Wife | — | Pennsylvania |
| 40 | Raymond Jr. Clark | 30 | Son | Clerk | Pennsylvania |
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)