MW
Mary Wolf — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Vernon-County, Missouri
Our Model Tree links this Mary Wolf across the 1920, 1930 and 1940 US Censuses in Vernon-County, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 6-person household.
Age 43
b. ~1897
Female
Spouse
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Vernon-County, Missouri |
| Surname | Wolf |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Vernon |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Rural |
| Est. Birth Year | ~1897 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Beulah Wolf | Daughter | — | 15 | ~1925 |
| Patty Wolf | Daughter | — | 10 | ~1930 |
| William Wolf | Head | — | 44 | ~1896 |
| Billy Wolf | Son | — | 2 | ~1938 |
| Byron Wolf | Son | — | 17 | ~1923 |
| Mary Wolf | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Vernon, Missouri
Spouse, age 25
Vernon, Missouri · implied b. ~1895 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | Mary O. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Kansas |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Vernon, Missouri
Spouse, age 34
Vernon, Missouri · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wolf |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 20 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Vernon-County, Missouri
Spouse, age 43
Vernon-County, Missouri · implied b. ~1897 — 6 household members
| Surname | Wolf |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Vernon |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Wolf across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Wolf
Spouse · 1940 · age 43 · b. ~1897 · 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 — Vernon-County, Missouri
Open full size
1940 US Federal Census — Vernon-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02162-00395)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elva L. Younger | 15 | Daughter | — | Kansas |
| 42 | William E. Younger | 24 | Head | Farmer | Kentucky |
| 43 | Flora M. Younger | 19 | Wife | — | Indiana |
| 44 | Winifred M. Younger | 38 | Daughter | — | Missouri |
| 45 | Orville E. Hackney | 37 | Head | Teacher | Missouri |
| 46 | Anita G. Hackney | 34 | Wife | Farmer | Missouri |
| 47 | Norma J. Hackney | 10 | Daughter | — | Missouri |
| 48 | Gary L. Hackney | 3 | Son | — | Kansas |
| 49 | Vernie E. Franks | 27 | Head | Farmer | Missouri |
| 50 | Mildred A. Franks | 22 | Wife | — | Missouri |
| 51 | Hazel H. Franks | 1 | Daughter | — | Missouri |
| 52 | Louisa S. Canaday | 72 | Head | — | Missouri |
| 53 | George L. Canaday | 32 | Son | Farmer | Kansas |
| 54 | Norman J. Berry | 26 | Head | Farmer | Missouri |
| 55 | Elizabeth M. Berry | 25 | Wife | — | Missouri |
| 56 | James L. Berry | 0 | Son | — | Missouri |
| 57 | William Wolf | 44 | Head | Farmer | Missouri |
| 58 | Mary E. Wolf THIS PERSON | 43 | Wife | — | Kansas |
| 59 | Byron G. Wolf | 17 | Son | Student | Missouri |
| 60 | Beulah M. Wolf | 15 | Daughter | Student | Missouri |
| 61 | Patty J. Wolf | 10 | Daughter | — | Missouri |
| 62 | Billy L. Wolf | 2 | Son | — | Missouri |
| 63 | George S. Robison | 57 | Head | Farmer | Missouri |
| 64 | Mattie J. Robison | 56 | Wife | — | Missouri |
| 65 | Hiel E. Robison | 23 | Son | Farm | Missouri |
| 66 | Russell Robison | 15 | Son | — | Missouri |
| 67 | Joseph M. Zilliox | 44 | Head | Farmer | Missouri |
| 68 | Mayme E. Zilliox | 30 | Wife | — | Missouri |
| 69 | Eldon E. Zilliox | 7 | Son | — | Missouri |
| 70 | Ivan M. Zilliox | 6 | Son | — | Missouri |
| 71 | Ruby J. Zilliox | 4 | Daughter | — | Missouri |
| 72 | Waneta D. Zilliox | 0 | Daughter | — | Missouri |
| 73 | Lorenzia G. Thomas | 35 | Head | Farmer | Missouri |
| 74 | Gleanor E. Thomas | 29 | Wife | — | Missouri |
| 75 | Leonel L. Thomas | 8 | Son | — | Missouri |
| 76 | Gary L. Thomas | 3 | Son | — | Missouri |
| 77 | Edith M. Martin | 68 | Mother-in-law | — | Missouri |
| 78 | Leslie Carpenter | 61 | Head | Farmer | Illinois |
| 79 | Florence M. Carpenter | 59 | Wife | — | Missouri |
| 80 | Line Extra | None | — | — | — |
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)