JH
John Hart — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Nebraska
Our Model Tree links this John Hart across the 1920, 1930 and 1940 US Censuses in Washington-County, Nebraska (XGBoost, ~Confirmed), with identified parents William & Mary — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Nebraska |
| Surname | Hart |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Grant Township |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Machinist |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 726 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Machinist |
| Township / Ward | Grant Township |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Hart | Head | — | 30 | ~1910 |
| Don Hart | Son | — | 1 | ~1939 |
| Arislee Hart | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Washington, Nebraska
Son, age 10
Washington, Nebraska · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | John H |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | England |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Washington, Nebraska
Son, age 20
Washington, Nebraska · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | England |
| Mother's Birthplace | Germany |
| Occupation | Helper |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Washington-County, Nebraska
Head, age 30
Washington-County, Nebraska · implied b. ~1910 — 3 household members
| Surname | Hart |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Grant Township |
| 1935 Residence (County) | Washington |
| Occupation | Machinist |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 726 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Hart across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Hart (~0.92 confidence) and mother Mary Hart (~0.92 confidence) and mother Mary Hart (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Hart
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Mary Hart
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Mary Hart
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hart
Head · 1940 · age 30 · b. ~1910 · Nebraska
★ 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 — Washington-County, Nebraska
Open full size
1940 US Federal Census — Washington-County, Nebraska
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02267-00879)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rollo M. Carlberg | 4 | Son | — | Nebraska |
| 2 | David D. Carlberg | 3 | Son | — | Nebraska |
| 3 | Robin Carlberg | 28 | Head | Farmer | Nebraska |
| 4 | Gertrude Carlberg | 26 | Wife | — | Nebraska |
| 5 | Anne Joyce Carlberg | 2 | Daughter | — | Nebraska |
| 6 | Lena Stuenkel | 63 | Head | Farmer | Missouri |
| 7 | Darlene Stuenkel | 20 | Daughter | Housekeeper | Missouri |
| 8 | Elmer Stuenkel | 28 | Head | Farmer | Nebraska |
| 9 | Teodora Stuenkel | 28 | Wife | — | South Dakota |
| 10 | Rodney Ray Stuenkel | 4 | Son | — | Nebraska |
| 11 | John Hart THIS PERSON | 30 | Head | Machinist | Nebraska |
| 12 | Arislee Hart | 28 | Wife | — | Nebraska |
| 13 | Don Hart | 1 | Son | — | Nebraska |
| 14 | Chris Rasmussen | 73 | Head | Farmer | Denmark |
| 15 | Jetta Rasmussen | 65 | Wife | — | Nebraska |
| 16 | Butler E. Meier | 47 | Head | Farm | Nebraska |
| 17 | Harland Meier | 20 | Son | Farmer | Nebraska |
| 18 | Eldon Meier | 18 | Son | Farm Laborer | Nebraska |
| 19 | Gerald Meier | 16 | Son | — | Nebraska |
| 20 | Howard Petersen | 28 | Head | Farmer | Nebraska |
| 21 | Anna Petersen | 26 | Wife | — | Nebraska |
| 22 | Larry Petersen | 2 | Son | — | Nebraska |
| 23 | Ernest Gorker | 51 | Head | Farmer | Nebraska |
| 24 | Nora Gorker | 48 | Wife | — | Nebraska |
| 25 | Herman Gorker | 14 | Son | — | Nebraska |
| 26 | Bernard Gorker | 12 | Son | — | Nebraska |
| 27 | Walter Gieselman | 33 | Head | Farmer | Nebraska |
| 28 | Laura Gieselman | 28 | Wife | — | Nebraska |
| 29 | Melvin Gieselman | 2 | Son | — | Nebraska |
| 30 | Ella Nelson | 47 | Head | — | Nebraska |
| 31 | Rolland Nelson | 19 | Son | Labor | Nebraska |
| 32 | Harold French | 36 | Head | Farmer | Nebraska |
| 33 | Marcella French | 33 | Wife | — | Nebraska |
| 34 | Richard French | 12 | Son | — | Nebraska |
| 35 | Mary Belle French | 9 | Daughter | — | Nebraska |
| 36 | Janet L. French | 6 | Daughter | — | Nebraska |
| 37 | Virginia Ruth French | 3 | Daughter | — | Nebraska |
| 38 | Charles E. French | 2 | Son | — | Nebraska |
| 39 | Harold Shipp | 28 | Head | Farmer | Nebraska |
| 40 | Helen Shipp | 23 | Wife | — | Nebraska |
Pedigree Summary
John
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)