JW
James Williamson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sullivan-County, Missouri
Our Model Tree links this James Williamson across the 1920, 1930 and 1940 US Censuses in Sullivan-County, Missouri (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 3-person household.
Age 61
b. ~1879
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sullivan-County, Missouri |
| Surname | Williamson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Jackson twp |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Farmer |
| Township / Ward | Jackson Twp |
| Est. Birth Year | ~1879 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Anna Williamson | Daughter | — | 10 | ~1930 |
| James Williamson | Head | — | 61 | ~1879 |
| Mary Williamson | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Sullivan, Missouri
Head, age 41
Sullivan, Missouri · implied b. ~1879 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Sullivan, Missouri
Head, age 51
Sullivan, Missouri · implied b. ~1879 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson, |
| Given Name | James M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 26 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Sullivan-County, Missouri
Head, age 61
Sullivan-County, Missouri · implied b. ~1879 — 3 household members
| Surname | Williamson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Jackson twp |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 James Williamson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Williamson
Head · 1940 · age 61 · b. ~1879 · Missouri
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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 — Sullivan-County, Missouri
Open full size
1940 US Federal Census — Sullivan-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02160-00498)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cora Cunningham | 67 | Mother | — | Missouri |
| 2 | Nella Cunningham | 45 | Sister | — | Missouri |
| 3 | Jack D. Wells | 28 | Head | Farmer | Missouri |
| 4 | Irene Wells | 25 | Wife | — | Missouri |
| 5 | Jamie Wells | 8 | Daughter | — | Missouri |
| 6 | Marilyn Wells | 2 | Daughter | — | Missouri |
| 7 | Geraldine Wells | 0 | Daughter | — | Missouri |
| 8 | Coy D. Harp | 57 | Head | Farmer | Missouri |
| 9 | Evah Harp | 56 | Wife | — | Missouri |
| 10 | Fred Smith | 21 | Hired Hand | Farmer | Missouri |
| 11 | George Haselston | 46 | Head | Farmer | Missouri |
| 12 | Alberta Haselston | 42 | Wife | — | Missouri |
| 13 | Dale Haselston | 13 | Son | — | Missouri |
| 14 | George Haselston | 11 | Son | — | Missouri |
| 15 | Joe Haselston | 9 | Son | — | Missouri |
| 16 | Clayton Holliday | 36 | Head | Farmer | Missouri |
| 17 | Mirabel Holliday | 31 | Wife | — | Missouri |
| 18 | Cliff Holliday | 43 | Brother | Farmer | Missouri |
| 19 | Orval Riley | 31 | Head | Farmer | Missouri |
| 20 | Abbie Riley | 35 | Wife | — | Missouri |
| 21 | Orval Riley | 11 | Son | — | Missouri |
| 22 | Robert Riley | 9 | Son | — | Missouri |
| 23 | Carroll Riley | 1 | Daughter | — | Missouri |
| 24 | James Williamson THIS PERSON | 61 | Head | Farmer | Missouri |
| 25 | Mary Williamson | 55 | Wife | — | Missouri |
| 26 | Anna Williamson | 10 | Daughter | — | Missouri |
| 27 | W. Carl Dunlap | 44 | Head | Farmer | Missouri |
| 28 | Selma Dunlap | 40 | Wife | — | Missouri |
| 29 | Gerald Dunlap | 19 | Son | Farming | Missouri |
| 30 | Ruthie Dunlap | 15 | Daughter | — | Missouri |
| 31 | Otis Dunlap | 9 | Son | — | Missouri |
| 32 | Mary Dunlap | 5 | Daughter | — | Missouri |
| 33 | Orlan Yorkley | 55 | Head | Farmer | Missouri |
| 34 | Nola Yorkley | 52 | Wife | — | Missouri |
| 35 | Lucretia Gunn | 35 | Head | — | W. Virginia |
| 36 | Barney L. Porter | 52 | Head | Farmer | Missouri |
| 37 | Anna Porter | 51 | Wife | — | Missouri |
| 38 | William Porter | 17 | Son | — | Missouri |
| 39 | Anna Porter | 15 | Daughter | — | Missouri |
| 40 | Mary Porter | 80 | Grandmother | — | Missouri |
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)