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George Hartman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Shelby-County, Iowa
Our Model Tree links this George Hartman across the 1920, 1930 and 1940 US Censuses in Shelby-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 5-person household.
Age 55
b. ~1885
Male
Head
Born: Germany
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Shelby-County, Iowa |
| Surname | Hartman |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Harlan City |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Auto Garage |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 400 |
| Highest Grade | No 7 |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Occupation | Mechanic |
| Township / Ward | Harlan City |
| Est. Birth Year | ~1885 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Betty Hartman | Daughter | — | 12 | ~1928 |
| Frank Hartman | Son | — | 26 | ~1914 |
| George Hartman | Head | — | 55 | ~1885 |
| James Hartman | Son | — | 24 | ~1916 |
| Olive Hartman | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Shelby, Iowa
Other, age 37
Shelby, Iowa · implied b. ~1883 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | George |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Germany |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | General Helper |
| Industry | Garage |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Ger |
| Birth Country | Germany |
| Year of Naturalization | 1900 |
| Birthplace (normalized) | germany |
1930
Shelby, Iowa
Head, age 46
Shelby, Iowa · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1894 |
| Age at First Marriage | 38 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Veteran | No |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Shelby-County, Iowa
Head, age 55
Shelby-County, Iowa · implied b. ~1885 — 5 household members
| Surname | Hartman |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Harlan City |
| Naturalization Status | Naturalized |
| Occupation | Mechanic |
| Industry | Auto Garage |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 400 |
| Highest Grade | No 7 |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 George Hartman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
George Hartman
Head · 1940 · age 55 · b. ~1885 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Shelby-County, Iowa
Open full size
1940 US Federal Census — Shelby-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01204-00202)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Sidney | 1 | Son | — | Iowa |
| 2 | Jeppesen Chein | 68 | Head | — | Denmark |
| 3 | Marie Chein | 67 | Wife | — | Denmark |
| 4 | George Hartman THIS PERSON | 55 | Head | Mechanic | Germany |
| 5 | Olive Hartman | 52 | Wife | 0 | Iowa |
| 6 | Frank Hartman | 26 | Son | 25 | Iowa |
| 7 | James W. Hartman | 24 | Son | 40 | Iowa |
| 8 | Betty Hartman | 12 | Daughter | — | Iowa |
| 9 | John Loudenback | 37 | Head | 3 | Missouri |
| 10 | Violet Loudenback | 19 | Wife | 0 | Iowa |
| 11 | Freddie Loudenback | 2 | Son | — | Iowa |
| 12 | — | None | — | — | — |
| 13 | Clifton Swinhart | 34 | Head | 32 | Pennsylvania |
| 14 | Alice Swinhart | 33 | Wife | 0 | Iowa |
| 15 | William Mcgiboney | 20 | Head | 50 | Missouri |
| 16 | Rosalee Mcgiboney | 18 | Wife | 0 | Iowa |
| 17 | Billie Jean Mcgiboney | 1 | Daughter | — | Iowa |
| 18 | John Christianson | 28 | Head | 35 | Iowa |
| 19 | Bessie Christianson | 26 | Wife | 0 | Iowa |
| 20 | Shirley Christianson | 6 | Daughter | — | Iowa |
| 21 | Martin Blum | 31 | Head | 35 | Iowa |
| 22 | Lillian Blum | 26 | Wife | 0 | Iowa |
| 23 | James Blum | 4 | Son | — | Iowa |
| 24 | Betty Jean Blum | 3 | Daughter | — | Iowa |
| 25 | Duane Blum | 2 | Son | — | Iowa |
| 26 | Ode D. Allen | 64 | Head | 48 | Iowa |
| 27 | Nellie Allen | 53 | Wife | 0 | Iowa |
| 28 | Rudy Wigness | 27 | Head | 45 | Iowa |
| 29 | Evalyn Wigness | 28 | Wife | 0 | Iowa |
| 30 | Clyde R. Wigness | 2 | Son | — | Iowa |
| 31 | Roy Barney | 45 | Head | 52 | Iowa |
| 32 | Lottie Barney | 42 | Wife | 0 | Iowa |
| 33 | Anita Barney | 19 | Daughter | 40 | Iowa |
| 34 | Norma Barney | 16 | Daughter | 0 | Iowa |
| 35 | Orville Petersen | 47 | Head | 30 | Iowa |
| 36 | Blanche Petersen | 46 | Wife | 0 | Iowa |
| 37 | Francis Petersen | 21 | Son | 50 | Iowa |
| 38 | Shirley Petersen | 14 | Daughter | — | Iowa |
| 39 | — | None | — | — | — |
| 40 | Francis Paup | 77 | Head | 0 | Iowa |
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)