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John Stewart — 1940 US Census Record
Model Tree available1940 United States Federal Census · Erie-County, Pennsylvania
Our Model Tree links this John Stewart across the 1920, 1930 and 1940 US Censuses in Erie-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Porter & Alta — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Erie-County, Pennsylvania |
| Surname | Stewart |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Erie City |
| 1935 Residence (County) | Erie |
| Additional Details | |
| Occupation | Ship Coater |
| Industry | Metal Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Ship Coater |
| Township / Ward | Erie 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Stewart | Head | — | 25 | ~1915 |
| Richard Stewart | Son | — | 1 | ~1939 |
| Emma Stewart | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Erie, Pennsylvania
Son, age 5
Erie, Pennsylvania · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stewart |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Erie, Pennsylvania
Son, age 15
Erie, Pennsylvania · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stewart |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Erie-County, Pennsylvania
Head, age 25
Erie-County, Pennsylvania · implied b. ~1915 — 3 household members
| Surname | Stewart |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Erie City |
| 1935 Residence (County) | Erie |
| Occupation | Ship Coater |
| Industry | Metal Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 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 John Stewart across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Porter Stewart (~0.92 confidence) and mother Alta Stewart (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Porter Stewart
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Alta Stewart
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Stewart
Head · 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 — Erie-County, Pennsylvania
Open full size
1940 US Federal Census — Erie-County, Pennsylvania
Page Contents
24 people indexed on this census page (nara:1940:m-t0627-03647-00034)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frederick Palmer | 36 | Head | Assistant Foreman | Pennsylvania |
| 2 | Grace R. Palmer | 33 | Wife | — | Pennsylvania |
| 3 | Barbara Palmer | 4 | Daughter | — | Pennsylvania |
| 4 | Harold F. Smith | 38 | Head | Stock Clerk | Pennsylvania |
| 5 | Leola Smith | 29 | Wife | — | Pennsylvania |
| 6 | Yvonne Smith | 10 | Daughter | — | Pennsylvania |
| 7 | Sally Smith | 8 | Daughter | — | Pennsylvania |
| 8 | Thomas Smith | 3 | Son | — | Pennsylvania |
| 9 | Charles Dwyer | 61 | Father-in-law | Laborer | Pennsylvania |
| 10 | Carrie Dwyer | 58 | Mother-in-law | — | Pennsylvania |
| 11 | Paul Lang | 20 | Nephew | Manager | Pennsylvania |
| 12 | William Hunter | 41 | Lodger | Laborer | Pennsylvania |
| 13 | Adna Arloff | 35 | Lodger | Clerk | Pennsylvania |
| 14 | John Stewart THIS PERSON | 25 | Head | Ship Coater | Pennsylvania |
| 15 | Emma Stewart | 21 | Wife | — | Pennsylvania |
| 16 | Richard Stewart | 1 | Son | — | Pennsylvania |
| 17 | Carlton Barrow | 25 | Head | Stock Clerk | Virginia |
| 18 | Janet Barrow | 56 | Mother | — | New York |
| 19 | Arline Barrow | 31 | Sister | Saleslady | Virginia |
| 20 | Roy F. Conner | 46 | Head | Salesman | Ohio |
| 21 | Ethel Conner | 40 | Wife | Seamstress | Ohio |
| 22 | James A. Conner | 21 | Son | Clerk | Ohio |
| 23 | Eleanor Conner | 19 | Daughter | — | Pennsylvania |
| 24 | Nancy R. Conner | 6 | Daughter | — | Pennsylvania |
Pedigree Summary
John
Gen 1 · 2 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)