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Mary Hull — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Walworth-County, Wisconsin
Our Model Tree links this Mary Hull across the 1930 and 1940 US Censuses in Walworth-County, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Walworth-County, Wisconsin |
| Surname | Hull |
| Given Name | Mary Ann |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Walworth |
| Additional Details | |
| Highest Grade | S 7 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Twp Delavan |
| Est. Birth Year | ~1927 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Hull | Daughter | — | 13 | ~1927 |
| Hazel Hull | Spouse | — | 40 | ~1900 |
| Bonnie Hull | Daughter | — | 5 | ~1935 |
| Alice Hull | Daughter | — | 12 | ~1928 |
| Thomas Hull | Son | — | 6 | ~1934 |
| Tom Hull | Head | — | 43 | ~1897 |
| Hazel Hull | Daughter | — | 8 | ~1932 |
| Claude Hull | Son | — | 4 | ~1936 |
Census Appearances
1930
Walworth, Wisconsin
Daughter, age 3
Walworth, Wisconsin · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hull |
| Given Name | Mary Ann |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | England |
| Mother's Birthplace | South Dakota |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Walworth-County, Wisconsin
Daughter, age 13
Walworth-County, Wisconsin · implied b. ~1927 — 8 household members
| Surname | Hull |
| Given Name | Mary Ann |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Walworth |
| Highest Grade | S 7 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Hull across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hull
Daughter · 1940 · age 13 · b. ~1927 · Wisconsin
★ You are viewing this record
Sibling
Claude Hull
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Hull
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bonnie Hull
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Hull
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Hull
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Walworth-County, Wisconsin
Open full size
1940 US Federal Census — Walworth-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04531-00442)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Irene | 8 | daughter | — | Wisconsin |
| 2 | Frank | 6 | son | — | Wisconsin |
| 3 | Jeanette | 4 | daughter | — | Wisconsin |
| 4 | Henry Baker | 71 | Head | Farmer | Iowa |
| 5 | Ella Baker | 67 | Wife | — | Wisconsin |
| 6 | Geo Baker | 34 | son | Farm | Wisconsin |
| 7 | Tom Hull | 43 | Head | Truck Driver & Grader Operater | England |
| 8 | Hazel Betty Hull | 40 | Wife | — | S. Dakota |
| 9 | Mary Ann Hull THIS PERSON | 13 | daughter | — | Wisconsin |
| 10 | Alice Lee Hull | 12 | daughter | — | Wisconsin |
| 11 | Hazel Betty Hull | 8 | daughter | — | Wisconsin |
| 12 | Thomas Hull | 6 | son | — | Wisconsin |
| 13 | Bonnie Hull | 5 | daughter | — | Wisconsin |
| 14 | Claude Hull | 4 | son | — | Wisconsin |
| 15 | Ralph M. Billings | 32 | Head | Farmer | Illinois |
| 16 | Emma Billings | 32 | Wife | — | Illinois |
| 17 | Mabel Billings | 57 | Mother | — | Illinois |
| 18 | Gus Borine | 56 | hired-man | Farm Hand | Germany |
| 19 | Geo. H. Brown | 39 | Head | Farm Hand | Iowa |
| 20 | Velma Brown | 34 | Wife | — | Nebraska |
| 21 | Gerald (Ab) Green | 13 | step-son | — | Iowa |
| 22 | Donna Green | 11 | daughter | — | Wisconsin |
| 23 | James Brown | 7 | son | — | Wisconsin |
| 24 | Henry Parker | 28 | Head | Trucking | Wisconsin |
| 25 | Gladys Parker | 25 | Wife | — | Wisconsin |
| 26 | Henry Jr. Parker | 5 | son | — | Wisconsin |
| 27 | Janet Parker | 3 | daughter | — | Wisconsin |
| 28 | Mary Parker | 2 | daughter | — | Wisconsin |
| 29 | John H. Wall | 51 | Head | Farmer | Wisconsin |
| 30 | Mary Helen Wall | 42 | Wife | — | Wisconsin |
| 31 | Betty Wall | 18 | daughter | — | Wisconsin |
| 32 | Marshall Johnson | 39 | lodger | Farm Mgr. | Wisconsin |
| 33 | Otto Eisentraut | 48 | Head | Farmer | Germany |
| 34 | Alma Eisentraut | 41 | Wife | — | Wisconsin |
| 35 | Elmer Eisentraut | 14 | son | — | Wisconsin |
| 36 | Raymond Eisentraut | 12 | son | — | Wisconsin |
| 37 | Ellen Eisentraut | 9 | daughter | — | Wisconsin |
| 38 | Ruth Eisentraut | 3 | daughter | — | Wisconsin |
| 39 | Freddie Eisentraut | 7 | son | — | Wisconsin |
| 40 | Alvin Lang | 36 | hired-hand | Farm Hand | Wisconsin |
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)