JH
James Hart — 1940 US Census Record
Model Tree available1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this James Hart across the 1920, 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Regina & Roscoe — first a son (b.~1908), then head of a 6-person household.
Age 32
b. ~1908
Male
Son
Born: Pennsylvania
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Hart |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona |
| 1935 Residence (County) | Blair |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Altoona |
| Est. Birth Year | ~1908 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Eileen Hart | Daughter | — | 16 | ~1924 |
| Regina Hart | Head | — | 58 | ~1882 |
| Price Hart | Other | — | 50 | ~1890 |
| James Hart | Son | — | 32 | ~1908 |
| Robert Hart | Son | — | 12 | ~1928 |
| Sara Hart | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Blair, Pennsylvania
Son, age 12
Blair, Pennsylvania · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | James H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Blair, Pennsylvania
Son, age 22
Blair, Pennsylvania · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | James H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Helper |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Blair-County, Pennsylvania
Son, age 32
Blair-County, Pennsylvania · implied b. ~1908 — 6 household members
| Surname | Hart |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Altoona |
| 1935 Residence (County) | Blair |
| 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 James Hart across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Regina Hart (~0.92 confidence) and father Roscoe Hart (~0.92 confidence) and father Regine Hart (~0.92 confidence) and mother Sara Hart (~0.92 confidence) and mother Sarah Hart (~0.92 confidence) and mother Sarah Hart (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Regina Hart
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Roscoe Hart
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Regine Hart
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Sara Hart
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Sarah Hart
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Sarah Hart
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Hart
Son · 1940 · age 32 · b. ~1908 · Pennsylvania
★ You are viewing this record
Sibling
Eileen Hart
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Hart
Sibling · 1940 · age 12
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 — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03440-00063)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Wunderlich | 24 | wife | — | Pennsylvania |
| 42 | Fred Lee Wunderlich | 5 | son | — | Pennsylvania |
| 43 | Eugene L. Heffner | 36 | Head | Foreman | Pennsylvania |
| 44 | Florence G. Heffner | 34 | wife | — | Pennsylvania |
| 45 | Richard E. Heffner | 11 | son | — | Pennsylvania |
| 46 | John Zonfrilli | 28 | Head | Foundry Laborer | Pennsylvania |
| 47 | Fanny Zonfrilli | 20 | wife | Sewing Machine Operator | Maryland |
| 48 | Amy Kettering | 38 | Head | Tel. Plant Operator | Pennsylvania |
| 49 | Grace M. Kettering | 24 | sister | Clerk | Pennsylvania |
| 51 | George E. Walker | 31 | Head | Painter | Pennsylvania |
| 52 | Lillian E. Walker | 29 | wife | — | Pennsylvania |
| 53 | Phyllis Diana Walker | 8 | daughter | — | Pennsylvania |
| 54 | Emil Engelmann | 28 | Head | Landscape Gardener | Pennsylvania |
| 55 | Geraldine Engelmann | 23 | wife | — | Pennsylvania |
| 56 | Emil Engelmann | 7 | son | — | Pennsylvania |
| 57 | Joan Engelmann | 5 | daughter | — | Pennsylvania |
| 58 | Delores Engelmann | 3 | daughter | — | Pennsylvania |
| 59 | Melvin Engelmann | 1 | son | — | Pennsylvania |
| 60 | Russell Crozier | 48 | Head | Core Maker | Pennsylvania |
| 61 | Elsie J. Crozier | 47 | wife | — | Pennsylvania |
| 62 | Barbara A. Crozier | 22 | daughter | — | Pennsylvania |
| 63 | Richard A. Crozier | 20 | son | — | Pennsylvania |
| 64 | Byron A. Crozier | 18 | son | — | Pennsylvania |
| 65 | Doris Crozier | 17 | daughter | — | Pennsylvania |
| 66 | David Crozier | 15 | son | Paper Carrier | Pennsylvania |
| 67 | Fred Crozier | 14 | son | — | Pennsylvania |
| 68 | Alton Crozier | 12 | son | — | Pennsylvania |
| 69 | Daniel Crozier | 10 | son | — | Pennsylvania |
| 70 | Regina L. Hart | 58 | Head | Moulder | Pennsylvania |
| 71 | Sara Hart | 54 | wife | — | Pennsylvania |
| 72 | Eileen Hart | 16 | daughter | — | Pennsylvania |
| 73 | Robert Hart | 12 | son | Mail Carrier | Pennsylvania |
| 74 | James Hart THIS PERSON | 32 | son | — | Pennsylvania |
| 75 | Price Ida Hart | 50 | sister in law | — | Pennsylvania |
| 76 | Harry Kensinger | 64 | Head | Machinist | Pennsylvania |
| 77 | Alice S. Kensinger | 67 | wife | — | Pennsylvania |
| 78 | Howard Mummert | 37 | son in law | Plumbers Helper | Pennsylvania |
| 79 | Florence Mummert | 29 | daughter | — | Pennsylvania |
| 80 | Barbara A. Mummert | 4 | daughter | — | Pennsylvania |
Pedigree Summary
James + 2 siblings
Gen 1 · 6 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)