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John Keller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Emmons-County, North Dakota
Our Model Tree links this John Keller across the 1930 and 1940 US Censuses in Emmons-County, North Dakota (XGBoost, ~Confirmed) — first a head (b.~1881), then head of a 8-person household.
Age 59
b. ~1881
Male
Head
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Emmons-County, North Dakota |
| Surname | Keller |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Emmons |
| 1935 Residence (County) | N. Dak. |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 22 |
| Income (1939) | 220 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Occupation | Laborer |
| Township / Ward | Strasburg Village |
| Est. Birth Year | ~1881 |
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 |
|---|---|---|---|---|
| Rose Keller | Daughter | — | 14 | ~1926 |
| John Keller | Head | — | 59 | ~1881 |
| John Keller | Son | — | 18 | ~1922 |
| Adelbert Keller | Son | — | 16 | ~1924 |
| Leo Keller | Son | — | 9 | ~1931 |
| Raymond Keller | Son | — | 11 | ~1929 |
| Edmund Keller | Son | — | 22 | ~1918 |
| Rosa Keller | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Emmons, North …
Head, age 49
Emmons, North Dakota · implied b. ~1881 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keller |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Naturalized |
| Year of Immigration | 1889 |
| Age at First Marriage | 23 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 6500 |
| Radio Set | R |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Emmons-County, North …
Head, age 59
Emmons-County, North Dakota · implied b. ~1881 — 8 household members
| Surname | Keller |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | Emmons |
| 1935 Residence (County) | N. Dak. |
| Naturalization Status | Naturalized |
| Occupation | Laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 22 |
| Income (1939) | 220 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 Keller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Keller
Head · 1940 · age 59 · b. ~1881 · North Dakota
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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 — Emmons-County, North Dakota
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1940 US Federal Census — Emmons-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03000-00746)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Unser | 32 | Wife | — | Russia |
| 42 | Lillian Unser | 10 | daughter | — | North Dakota |
| 43 | Helen Unser | 5 | daughter | — | North Dakota |
| 44 | Valentine Holzer | 69 | Head | — | Russia |
| 45 | Mariann Holzer | 65 | Wife | — | Russia |
| 46 | John J. Jr. Baumgartner | 31 | Head | Teacher | North Dakota |
| 47 | Margaret Baumgartner | 23 | Wife | — | North Dakota |
| 48 | Andrew A. Wald | 40 | Head | Mechanic | South Dakota |
| 49 | Helen Wald | 37 | Wife | — | North Dakota |
| 50 | Leannelle Wald | 10 | daughter | — | North Dakota |
| 51 | Julie Mae Wald | 8 | daughter | — | North Dakota |
| 52 | Marie Helen Wald | 3 | daughter | — | North Dakota |
| 53 | Mike Lauinger | 69 | Head | — | Russia |
| 54 | Tilly Lauinger | 29 | daughter | Cook | North Dakota |
| 55 | Martin Bachmeier | 25 | Head | Laborer | North Dakota |
| 56 | Helen Bachmeier | 23 | Wife | — | North Dakota |
| 57 | Peter Burgard | 64 | Head | Laborer | Russia |
| 58 | Helen Burgard | 63 | Wife | — | Russia |
| 59 | Frank P. Burgard | 30 | Son | Laborer | South Dakota |
| 60 | Martin Wald | 71 | Head | — | Russia |
| 61 | Josephine Wald | 66 | Wife | — | Russia |
| 62 | Gabriel Marbach | 71 | Head | — | Russia |
| 63 | Theresia Marbach | 67 | Wife | — | Russia |
| 64 | Katherine Bauman | 66 | Head | — | Russia |
| 65 | Ferdinand Kraft | 53 | Brother | — | Russia |
| 66 | Andreas Selzler | 59 | Head | — | Russia |
| 67 | Anna Mary Selzler | 58 | Wife | — | Russia |
| 68 | Margarethe Selzler | 20 | daughter | Seamstress | North Dakota |
| 69 | John Keller THIS PERSON | 59 | Head | Laborer | Russia |
| 70 | Rosa Keller | 49 | Wife | — | Rumania |
| 71 | Edmund J. Keller | 22 | Son | New Worker | North Dakota |
| 72 | John J. Keller | 18 | Son | New Worker | North Dakota |
| 73 | Adelbert Keller | 16 | Son | — | North Dakota |
| 74 | Rose Mary Keller | 14 | daughter | — | North Dakota |
| 75 | Raymond Keller | 11 | Son | — | North Dakota |
| 76 | Leo Keller | 9 | Son | — | North Dakota |
| 77 | Damian Lauinger | 65 | Head | Clerk | Russia |
| 78 | Barbara Lauinger | 60 | Wife | — | Russia |
| 79 | Mary Lauinger | 34 | daughter | Seamstress | North Dakota |
| 80 | Eva Burckhart | 56 | Head | — | Russia |
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)