JH
James Hart — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fayette-County, Pennsylvania
Our Model Tree links this James Hart across the 1920, 1930 and 1940 US Censuses in Fayette-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Nancy — first a son (b.~1910), then head of a 2-person household.
Age 30
b. ~1910
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fayette-County, Pennsylvania |
| Surname | Hart |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Davidson |
| 1935 Residence (County) | Fayette |
| Additional Details | |
| Occupation | Laborer |
| Industry | Lumber Yard |
| Class of Worker | PW |
| Hours Worked | 83 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Connellsville Twp |
| Est. Birth Year | ~1910 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Bill Hart | Head | — | 62 | ~1878 |
| James Hart | Son | — | 30 | ~1910 |
Census Appearances
1920
Fayette, Pennsylvania
Son, age 9
Fayette, Pennsylvania · implied b. ~1911 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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
Fayette, Pennsylvania
Son, age 19
Fayette, Pennsylvania · implied b. ~1911
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Hart |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Fayette-County, Pennsylvania
Son, age 30
Fayette-County, Pennsylvania · implied b. ~1910 — 2 household members
| Surname | Hart |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Davidson |
| 1935 Residence (County) | Fayette |
| Occupation | Laborer |
| Industry | Lumber Yard |
| Class of Worker | PW |
| Hours Worked | 83 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Pennsylvania |
| 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: father John Hart (~0.92 confidence) and mother Nancy Hart (~0.92 confidence) and father Bill Hart (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Hart
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Nancy Hart
b. ~1874
Source mother
● Household
· direct · ~0.92
Father
Bill Hart
b. ~1878
Source father
● Household
· direct · ~0.92
This person
Anchor record
James Hart
Son · 1940 · age 30 · b. ~1910 · 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 — Fayette-County, Pennsylvania
Open full size
1940 US Federal Census — Fayette-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03503-00383)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Pollock | 65 | Head | — | Pennsylvania |
| 2 | Emma Pollock | 45 | Daughter | — | Pennsylvania |
| 3 | Elizabeth Pollock | 15 | Daughter | — | Pennsylvania |
| 4 | William Ellworth | 25 | Head | Coal Loader | Pennsylvania |
| 5 | Mary Ellworth | 28 | Wife | — | Pennsylvania |
| 6 | Shirley D. Ellworth | 5 | Daughter | — | Pennsylvania |
| 7 | Rita Ann Ellworth | 3 | Daughter | — | Pennsylvania |
| 8 | Gerald W. Ellworth | 1 | Son | — | Pennsylvania |
| 9 | Flora Richter | 21 | Head | — | Virginia |
| 10 | Frances Richter | 2 | Daughter | — | Pennsylvania |
| 11 | Jannette Richter | 1 | Daughter | — | Pennsylvania |
| 12 | Joseph Ross | 23 | Head | Coal Loader | Pennsylvania |
| 13 | Mary Ross | 20 | Wife | — | Pennsylvania |
| 14 | Joseph Jr. Ross | 2 | Son | — | Pennsylvania |
| 15 | John Ross | 1 | Son | — | Pennsylvania |
| 16 | William Little | 28 | Head | Coal Loader | Pennsylvania |
| 17 | Loretta Little | 26 | Wife | — | Pennsylvania |
| 18 | Donald Little | 9 | Son | — | Pennsylvania |
| 19 | Norma Little | 0 | Daughter | — | Pennsylvania |
| 20 | Valentine Lepty | 33 | Head | Coal Loader | Pennsylvania |
| 21 | Walter Lepty | 15 | Son | — | Pennsylvania |
| 22 | Laura Lepty | 11 | Daughter | — | Pennsylvania |
| 23 | Alin Hurley | 35 | Head | Miner | Kentucky |
| 24 | Bill Hart | 62 | Head | — | Pennsylvania |
| 25 | James Hart THIS PERSON | 30 | Son | Laborer | Pennsylvania |
| 26 | Vincent Barna | 60 | Head | Laborer | Hungary |
| 27 | Florence Butler | 53 | Head | — | Pennsylvania |
| 28 | Harry C. Null | 55 | Lodger | Machinist Helper | Maryland |
| 29 | Donald Butler | 18 | Son | New Worker | Pennsylvania |
| 30 | John Yakimick | 49 | Head | Coal Loader | Pennsylvania |
| 31 | Sophia Yakimick | 43 | Wife | — | Pennsylvania |
| 32 | Sophia Yakimick | 21 | Daughter | Grocery Clerk | Pennsylvania |
| 33 | John P. Yakimick | 20 | Son | New Worker | Pennsylvania |
| 34 | Francis Yakimick | 19 | Son | New Worker | Pennsylvania |
| 35 | Edward Yakimick | 17 | Son | New Worker | Pennsylvania |
| 36 | Joseph Yakimick | 15 | Son | — | Pennsylvania |
| 37 | Charles Michaels | 11 | Lodger | — | Pennsylvania |
| 38 | Julia Balog | 13 | Daughter | — | Pennsylvania |
| 39 | Walter Wojciechowski | 47 | Head | — | Pennsylvania |
| 40 | Joseph Wojciechowski | 32 | Brother | Laborer | Pennsylvania |
Pedigree Summary
James
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)