JH
John Haas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sioux-County, Nebraska
Our Model Tree links this John Haas across the 1930 and 1940 US Censuses in Sioux-County, Nebraska (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 8-person household.
Age 33
b. ~1907
Male
Son
Born: Nebraska
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sioux-County, Nebraska |
| Surname | Haas |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Hat Creek precinct |
| 1935 Residence (County) | Sioux |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Farmer |
| Township / Ward | Hat Creek Precinct |
| Est. Birth Year | ~1907 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Florence Haas | Daughter | — | 23 | ~1917 |
| Lucille Haas | Daughter | — | 20 | ~1920 |
| Nick Haas | Son | — | 34 | ~1906 |
| John Haas | Son | — | 33 | ~1907 |
| Charlie Haas | Son | — | 25 | ~1915 |
| Elsie Haas | Other | — | 25 | ~1915 |
| Dominic Haas | Head | — | 76 | ~1864 |
| William Haas | Son | — | 28 | ~1912 |
Census Appearances
1930
Sioux, Nebraska
Son, age 22
Sioux, Nebraska · implied b. ~1908 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haas |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Luxembourg |
| Mother's Birthplace | Iowa |
| Occupation | Farm Hand |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Sioux-County, Nebraska
Son, age 33
Sioux-County, Nebraska · implied b. ~1907 — 8 household members
| Surname | Haas |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Hat Creek precinct |
| 1935 Residence (County) | Sioux |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Haas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Haas
Son · 1940 · age 33 · b. ~1907 · Nebraska
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Sibling
Charlie Haas
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Haas
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Haas
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nick Haas
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Haas
Sibling · 1940 · age 28
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 — Sioux-County, Nebraska
Open full size
1940 US Federal Census — Sioux-County, Nebraska
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02266-00284)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leo De Bock | 55 | Head | Farmer | Utah |
| 2 | Agnes R. De Bock | 51 | Wife | — | Nebraska |
| 3 | Florence H. De Bock | 22 | Daughter | Teacher | Nebraska |
| 4 | Henry L. De Bock | 18 | Son | Farmer | Nebraska |
| 5 | Grace J. De Bock | 14 | Daughter | — | Nebraska |
| 6 | Agnes Marie De Bock | 8 | Daughter | — | Nebraska |
| 7 | Peter J. Q. Unruh | 68 | Head | Farmer | Russia |
| 8 | John C. Eberspecher | 78 | Head | — | Illinois |
| 9 | Frances J. Eberspecher | 71 | Wife | — | Missouri |
| 10 | Hilda M. Eberspecher | 46 | Daughter | — | Nebraska |
| 11 | John E. Eberspecher | 30 | Son | Farmer | Nebraska |
| 12 | Del D. De Haven | 40 | Head | Farmer | Nebraska |
| 13 | Frances C. De Haven | 38 | Wife | — | Nebraska |
| 14 | Dale De Haven | 15 | Son | — | Nebraska |
| 15 | Ellen D. De Haven | 14 | Daughter | — | Nebraska |
| 16 | Richard L. De Haven | 10 | Son | — | Nebraska |
| 17 | Albert F. Hill | 72 | Brother in law | — | Missouri |
| 18 | Alice B. Hill | 57 | Sister | — | Illinois |
| 19 | Chris Eberspecher | 36 | Head | Farmer | Nebraska |
| 20 | Kathryn A. Eberspecher | 37 | Wife | — | Nebraska |
| 21 | Patricia M. Eberspecher | 11 | Daughter | — | Nebraska |
| 22 | Betty J. Eberspecher | 9 | Daughter | — | Nebraska |
| 23 | Gerald C. Eberspecher | 7 | Son | — | Nebraska |
| 24 | Kathleen L. Eberspecher | 5 | Daughter | — | Nebraska |
| 25 | Thelma C. Eberspecher | 4 | Daughter | — | Nebraska |
| 26 | John F. Eberspecher | 2 | Son | — | Nebraska |
| 27 | Milford C. Brewster | 34 | Head | Farmer | Nebraska |
| 28 | A. Lavene Brewster | 24 | Wife | — | Nebraska |
| 29 | Lealu Brewster | 3 | Daughter | — | Nebraska |
| 30 | Matt Haas | 30 | Head | Farmer | Nebraska |
| 31 | Marie J. Haas | 29 | Wife | — | Pennsylvania |
| 32 | Dominic Haas | 76 | Head | — | Luxemburg |
| 33 | Nick J. Haas | 34 | Son | Farmer | Nebraska |
| 34 | John P. Haas THIS PERSON | 33 | Son | Farmer | Nebraska |
| 35 | Charlie E. Haas | 25 | Son | Farmer | Nebraska |
| 36 | Florence C. Haas | 23 | Daughter | Teacher | Nebraska |
| 37 | Lucille H. Haas | 20 | Daughter | Teacher | Nebraska |
| 38 | William L. Haas | 28 | Son | Farmer | Nebraska |
| 39 | Elsie Haas | 25 | Daughter in law | — | Ohio |
| 40 | Pete J. Ruffing | 44 | Head | Farmer | Nebraska |
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)