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Mary Williamson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Howell-County, Missouri
Our Model Tree links this Mary Williamson across the 1920, 1930 and 1940 US Censuses in Howell-County, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 3-person household.
Age 52
b. ~1888
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Howell-County, Missouri |
| Surname | Williamson |
| Given Name | Mary J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Dry Creek Twp |
| 1935 Residence (County) | Howell |
| Additional Details | |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Dry Creek Twp |
| Est. Birth Year | ~1888 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Leon Williamson | Head | — | 49 | ~1891 |
| Forest Williamson | Son | — | 16 | ~1924 |
| Mary Williamson | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Howell, Missouri
Spouse, age 32
Howell, Missouri · implied b. ~1888 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Howell, Missouri
Spouse, age 42
Howell, Missouri · implied b. ~1888 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | Mary J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 20 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Howell-County, Missouri
Spouse, age 52
Howell-County, Missouri · implied b. ~1888 — 3 household members
| Surname | Williamson |
| Given Name | Mary J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Dry Creek Twp |
| 1935 Residence (County) | Howell |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| 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 Mary Williamson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Williamson
Spouse · 1940 · age 52 · b. ~1888 · 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 — Howell-County, Missouri
Open full size
1940 US Federal Census — Howell-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02113-00092)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dorothy A Mccracken | 42 | Wife | — | Kansas |
| 2 | Eugene H Mccracken | 11 | Son | — | Missouri |
| 3 | Marjorie A Mccracken | 9 | Daughter | — | Missouri |
| 4 | Mary J Mccracken | 7 | Daughter | — | Missouri |
| 5 | Margaret P Mccracken | 4 | Daughter | — | Missouri |
| 6 | Robert M Mccracken | 1 | Son | — | Missouri |
| 7 | Morris A Dunn | 47 | Head | Farmer | Illinois |
| 8 | Emma A Dunn | 39 | Wife | — | Missouri |
| 9 | John F Dunn | 17 | Son | Laborer | Missouri |
| 10 | Kathryn L Dunn | 9 | Daughter | — | Missouri |
| 11 | Charles C Klamm | 64 | Head | Carpenter | Missouri |
| 12 | Lora N Klamm | 58 | Wife | — | Missouri |
| 13 | Charles D Jones | 54 | Head | Farmer | Missouri |
| 14 | Edna M Jones | 47 | Wife | — | Kansas |
| 15 | Harold D Jones | 13 | Son | — | Missouri |
| 16 | Jackie L Jones | 11 | Son | — | Missouri |
| 17 | Barbara J Jones | 5 | Daughter | — | Missouri |
| 18 | Julius B Matthews | 38 | Head | Farmer | Missouri |
| 19 | Alice M Matthews | 34 | Wife | — | Missouri |
| 20 | John H Matthews | 15 | Son | Helper | Missouri |
| 21 | Thomas Mcmahon | 77 | Father-in-law | — | Missouri |
| 22 | Lee Bert Amick | 60 | Head | Farmer | Illinois |
| 23 | Henry C Yarber | 59 | Head | Farmer | Missouri |
| 24 | Dorothy F Yarber | 58 | Wife | — | Kansas |
| 25 | John F Christopher | 45 | Head | — | Arkansas |
| 26 | Idell M Christopher | 35 | Wife | — | Missouri |
| 27 | Ruby G Christopher | 12 | Daughter | — | Missouri |
| 28 | John T Christopher | 8 | Son | — | Missouri |
| 29 | Jessie Wilkinson | 62 | Mother-in-law | — | Missouri |
| 30 | Bert Fugate | 30 | Head | Buyer | Missouri |
| 31 | Nora A Fugate | 21 | Wife | — | Missouri |
| 32 | Jackie L Fugate | 0 | Son | — | Missouri |
| 33 | Myrtle L Fugate | 65 | Head | — | Kentucky |
| 34 | Milton Fugate | 46 | Son | Farmer | Missouri |
| 35 | Bruce Fugate | 42 | Son | Farmer | Missouri |
| 36 | Mable Fugate | 35 | Daughter | — | Missouri |
| 37 | Grace Fugate | 23 | Daughter | — | Missouri |
| 38 | Leon W Williamson | 49 | Head | Foreman | Kentucky |
| 39 | Mary J Williamson THIS PERSON | 52 | Wife | — | Missouri |
| 40 | Forest G Williamson | 16 | Son | — | Arkansas |
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)