AC
Alice Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Alice Clark across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Harry & Alice — first a spouse (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Clark |
| Given Name | Alice |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1915 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| Mary Clark | Daughter | — | 4 | ~1936 |
| James Clark | Head | — | 25 | ~1915 |
| James Clark | Son | — | 2 | ~1938 |
| Alice Clark | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Allegheny, Pennsylvania
Daughter, age 4
Allegheny, Pennsylvania · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 14
Allegheny, Pennsylvania · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Spouse, age 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 4 household members
| Surname | Clark |
| Given Name | Alice |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| 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 Alice Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Clark (~0.92 confidence) and mother Alice Clark (~0.92 confidence) and mother Alice Clark (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Clark
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Alice Clark
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Alice Clark
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alice Clark
Spouse · 1940 · age 25 · b. ~1915 · 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-t0627-03670-00101)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Josephine Meehan | 35 | wife | Furrier | Pennsylvania |
| 2 | Marie Meehan | 28 | daughter | Furrier | Pennsylvania |
| 3 | William Meehan | 26 | son | Paper Hanger | Pennsylvania |
| 4 | Anne Meehan | 24 | daughter | — | Pennsylvania |
| 5 | Ronald Meehan | 8 | son | — | Pennsylvania |
| 6 | Alexander Hadfield | 72 | head | — | Pennsylvania |
| 7 | Mathilda Hadfield | 69 | wife | — | Pennsylvania |
| 8 | John Hadfield | 46 | son | Clerk Of Courts | Pennsylvania |
| 9 | James Clark | 25 | head | Laborer | Ohio |
| 10 | Alice Clark THIS PERSON | 25 | wife | — | Pennsylvania |
| 11 | Mary Alice Clark | 4 | daughter | — | Pennsylvania |
| 12 | James Clark | 2 | son | — | Pennsylvania |
| 13 | George F. Rice | 46 | head | Laborer | Pennsylvania |
| 14 | Eleanor Rice | 45 | wife | Furrier | Pennsylvania |
| 15 | Joseph J. Rice | 19 | son | Painter | Pennsylvania |
| 16 | George F. Jr. Rice | 17 | son | — | Pennsylvania |
| 17 | Anna M. Rice | 15 | daughter | — | Pennsylvania |
| 18 | Raymond Schmitt | 40 | head | Purchasing Agent | Pennsylvania |
| 19 | Marie Schmitt | 35 | wife | — | Pennsylvania |
| 20 | Charles Schmitt | 11 | son | — | Pennsylvania |
| 21 | Marie Schmitt | 7 | daughter | — | Pennsylvania |
| 22 | Andrew W. Marsula | 43 | head | Laborer | Pennsylvania |
| 23 | Catherine M. Marsula | 66 | mother | — | Pennsylvania |
| 24 | Anne M. Boyle | 31 | cousin | Saleslady | Pennsylvania |
| 25 | John Boyle | 29 | cousin | Clerk | Pennsylvania |
| 26 | John Brunner | 29 | head | Machinist | Pennsylvania |
| 27 | Leona Brunner | 25 | wife | — | Pennsylvania |
| 28 | Thomas Brunner | 0 | son | — | Pennsylvania |
| 29 | Joseph B. Ostronic | 40 | head | Driver | Pennsylvania |
| 30 | Elizabeth M. Ostronic | 39 | wife | — | Pennsylvania |
| 31 | Robert Ostronic | 16 | nephew | — | Pennsylvania |
| 32 | Elizabeth Paulsen | 52 | head | — | Pennsylvania |
| 33 | Mildred Paulsen | 19 | daughter | Art-Work | Pennsylvania |
| 34 | Louise Paulsen | 17 | daughter | — | Pennsylvania |
| 35 | Thelma Paulsen | 16 | daughter | Maid | Pennsylvania |
| 36 | Norma Jean Paulsen | 14 | daughter | — | Pennsylvania |
| 37 | William Mcinnis | 32 | head | Laborer | Pennsylvania |
| 38 | Rose Mcinnis | 30 | wife | — | Pennsylvania |
| 39 | Robert P. Mcinnis | 9 | son | — | Pennsylvania |
| 40 | Richard L. Mcinnis | 6 | son | — | Pennsylvania |
Pedigree Summary
Alice
Gen 1 · 3 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)