MH
Mary Hull — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Humboldt-County, California
Our Model Tree links this Mary Hull across the 1930 and 1940 US Censuses in Humboldt-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 5-person household.
Age 11
b. ~1929
Female
Daughter
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Humboldt-County, California |
| Surname | Hull |
| Given Name | Mary Alice |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Ferndale |
| 1935 Residence (County) | Humboldt |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Ferndale |
| Est. Birth Year | ~1929 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Hazel Hull | Spouse | — | 37 | ~1903 |
| Mary Hull | Daughter | — | 11 | ~1929 |
| Richard Hull | Son | — | 15 | ~1925 |
| Robert Hull | Son | — | 4 | ~1936 |
| Everett Hull | Head | — | 38 | ~1902 |
Census Appearances
1930
Humboldt, California
Daughter, age 1
Humboldt, California · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hull |
| Given Name | Mary Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | Oklahoma |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Humboldt-County, California
Daughter, age 11
Humboldt-County, California · implied b. ~1929 — 5 household members
| Surname | Hull |
| Given Name | Mary Alice |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Ferndale |
| 1935 Residence (County) | Humboldt |
| Class of Worker | 0 |
| Highest Grade | 5 |
| 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 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 11 · b. ~1929 · California
★ You are viewing this record
Sibling
Richard Hull
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Hull
Sibling · 1940 · age 4
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 — Humboldt-County, California
Open full size
1940 US Federal Census — Humboldt-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00208-00267)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Adameon|Adamson Vidamoor | None | Florence | 40 | C 2 |
| 42 | Harold D. Larsen | 34 | Head | Salesman | California |
| 43 | Lucille Larsen | 35 | Wife | Secretary | California |
| 44 | William Larsen | 3 | Son | — | California |
| 45 | Alma Hansen | 27 | housekeeper | Housekeeper | California |
| 46 | Mathilda Bertolucci | 36 | Head | Housekeeper | California |
| 47 | Morris Krutshoff | 34 | Head | Dr. Of Medicine | Russia |
| 48 | Alice Krutshoff | 26 | Wife | — | Indiana |
| 49 | David Krutshoff | 2 | Son | 0 | California |
| 50 | Ruth Cane | 33 | assistant | Doc Assistant | Ohio |
| 51 | James Venables | 48 | Head | Salesman | Missouri |
| 52 | Leslie Voorhes | 25 | Head | Athletic Director | California |
| 53 | Francis Voorhes | 24 | Wife | — | California |
| 54 | Richard Voorhes | 3 | Son | 0 | California |
| 55 | Roscoe Douglas | 62 | Head | Minister | Wisconsin |
| 56 | Henrietta Douglas | 61 | Wife | — | Ohio |
| 57 | Rollins Furnaty | 67 | Head | — | California |
| 58 | Everett R. Hull | 38 | Head | Local Agent | Oklahoma |
| 59 | Hazel D. Hull | 37 | Wife | — | Oklahoma |
| 60 | Richard Hull | 15 | Son | — | Oklahoma |
| 61 | Mary Alice Hull THIS PERSON | 11 | daughter | — | Kansas |
| 62 | Robert Hull | 4 | Son | — | California |
| 63 | Thomas Boyd | 60 | Head | Mechanic | California |
| 64 | Dagmar Boyd | 57 | Wife | — | California |
| 65 | Ed. Rasmussen | 54 | bro-in-law | Buttermaker | California |
| 66 | Howard J. B. Gibson | 70 | Head | Retail Salesman | Illinois |
| 67 | Anna Gibson | 75 | Wife | — | Illinois |
| 68 | Caesar Martella | 43 | Head | Truck Driver | California |
| 69 | John Ferguson | 54 | Head | Laborer | Scotland |
| 70 | Charlotte Ferguson | 49 | Wife | — | Scotland |
| 71 | Ruth J. Ferguson | 21 | daughter | Fire Fighter | California |
| 72 | Daniel T. Ferguson | 16 | Son | — | California |
| 73 | John E. Gries | 76 | Head | Janitor | California |
| 74 | Harry Gries | 70 | brother | — | California |
| 75 | Arthur Mattheus | 35 | Head | Can & Butter Maker | California |
| 76 | Edith Mattheus | 32 | Wife | — | California |
| 77 | Beverley Mattheus | 9 | daughter | — | California |
| 78 | Robert Mattheus | 8 | Son | — | California |
| 79 | Emilio Bettiga | 45 | Head | Laborer | Italy |
| 80 | Mary Bettiga | 43 | Wife | — | Italy |
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)