JW
John Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Eddy-County, North Dakota
Our Model Tree links this John Williams across the 1920, 1930 and 1940 US Censuses in Eddy-County, North Dakota (XGBoost, ~Confirmed), with identified parents John & Clara — first a head (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Male
Head
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Eddy-County, North Dakota |
| Surname | Williams |
| Given Name | John T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Pleasant Prairie township |
| 1935 Residence (County) | Eddy |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 65 |
| Income (1939) | 2000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Farmer |
| Township / Ward | Pleasant Prairie Township |
| Est. Birth Year | ~1906 |
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 |
|---|---|---|---|---|
| Vivian Williams | Daughter | — | 1 | ~1939 |
| John Williams | Head | — | 34 | ~1906 |
| Helen Williams | Spouse | — | 29 | ~1911 |
Census Appearances
1920
Eddy, North …
Son, age 14
Eddy, North Dakota · implied b. ~1906 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | John R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
Eddy, North …
Head, age 24
Eddy, North Dakota · implied b. ~1906 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | John Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Age at First Marriage | 23 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Eddy-County, North …
Head, age 34
Eddy-County, North Dakota · implied b. ~1906 — 3 household members
| Surname | Williams |
| Given Name | John T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Pleasant Prairie township |
| 1935 Residence (County) | Eddy |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 65 |
| Income (1939) | 2000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Williams (~0.92 confidence) and mother Clara Williams (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Williams
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Clara Williams
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Williams
Head · 1940 · age 34 · b. ~1906 · North Dakota
★ 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 — Eddy-County, North Dakota
Open full size
1940 US Federal Census — Eddy-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03000-00514)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna K. | 73 | Mother | — | Sweden |
| 2 | Albert O. Moline | 52 | Head | Farmer | Sweden |
| 3 | Rose Moline | 47 | Wife | — | North Dakota |
| 4 | Edwin Moline | 17 | Son | — | North Dakota |
| 5 | Esther Moline | 16 | Daughter | — | North Dakota |
| 6 | Dorothy Moline | 13 | Daughter | — | North Dakota |
| 7 | Lillian Moline | 12 | Daughter | — | North Dakota |
| 8 | Ruth Moline | 10 | Daughter | — | North Dakota |
| 9 | Elfredia Moline | 8 | Daughter | — | North Dakota |
| 10 | Lizzie Ludwig | 59 | Head | Farmer | Wisconsin |
| 11 | Peter Ludwig | 22 | Son | Laborer | North Dakota |
| 12 | Sylvester Ludwig | 19 | Son | Laborer | North Dakota |
| 13 | Bentley A. B. Ludwig | 17 | Son | — | North Dakota |
| 14 | Darrell Ludwig | 15 | Son | — | North Dakota |
| 15 | Glenn D. Anderson | 43 | Head | Laborer | Iowa |
| 16 | Lillie Anderson | 26 | Wife | — | North Dakota |
| 17 | Eva Anderson | 67 | Mother | — | Kansas |
| 18 | Milton G. Anderson | 2 | Son | — | North Dakota |
| 19 | Martin J. Stodolski | 51 | Head | Farmer | Germany |
| 20 | John T. Williams THIS PERSON | 34 | Head | Farmer | South Dakota |
| 21 | Helen Williams | 29 | Wife | — | Minnesota |
| 22 | Vivian Williams | 1 | Daughter | — | North Dakota |
| 23 | Bernard S. Walmsley | 30 | Head | Laborer | Illinois |
| 24 | Gladys Walmsley | 30 | Wife | — | North Dakota |
| 25 | Wendell Walmsley | 5 | Son | — | North Dakota |
| 26 | John Walmsley | 4 | Son | — | North Dakota |
| 27 | Freda Walmsley | 3 | Daughter | — | North Dakota |
| 28 | Lee Walmsley | 2 | Son | — | North Dakota |
| 29 | Fritz Stene | 37 | Head | Farmer | North Dakota |
| 30 | Amy Stene | 24 | Wife | — | North Dakota |
| 31 | Alice Stene | 4 | Daughter | — | North Dakota |
| 32 | Ole Stene | 60 | Head | Farmer | Norway |
| 33 | Gunda Stene | 60 | Wife | — | Norway |
| 34 | Clara Stene | 33 | Daughter | — | North Dakota |
| 35 | Martin Stene | 42 | Brother | Section Man | Norway |
| 36 | Erick Hildreth | 72 | Head | — | Norway |
| 37 | Nellie Hildreth | 65 | Wife | — | Norway |
| 38 | John O. Jensen | 63 | Head | Blacksmith | Norway |
| 39 | Hannah Jensen | 63 | Wife | — | Norway |
| 40 | Carrie Jensen | 31 | Daughter | — | North Dakota |
Pedigree Summary
John
Gen 1 · 2 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)