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Mary Hancock — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Mary Hancock across the 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents Ellen & Margaret — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Hancock |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | Stenographer |
| Industry | John Blue Insurance |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1000 |
| Highest Grade | C-1 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Stenographer |
| Township / Ward | Minneapolis |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Mary Hancock | Daughter | — | 23 | ~1917 |
| Alvah Hancock | Head | — | 47 | ~1893 |
| Eleanor Hancock | Daughter | — | 21 | ~1919 |
| Margaret Hancock | Spouse | — | 50 | ~1890 |
| Hansen Hancock | Other | — | 84 | ~1856 |
Census Appearances
1920
Hennepin, Minnesota
Daughter, age 2
Hennepin, Minnesota · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hancock |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Utah |
| Mother's Birthplace | Minnesota |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Daughter, age 13
Hennepin, Minnesota · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hancock |
| Given Name | Mary J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Utah |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Daughter, age 23
Hennepin-County, Minnesota · implied b. ~1917 — 5 household members
| Surname | Hancock |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis |
| 1935 Residence (County) | Hennepin |
| Occupation | Stenographer |
| Industry | John Blue Insurance |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1000 |
| Highest Grade | C-1 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Hancock across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Ellen Squires (~0.81 confidence) and mother Margaret Hancock (~0.92 confidence) and mother Margurite Hancock (~0.92 confidence) and father Alvah Hancock (~0.92 confidence). The pedigree spans 2 generations with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.89
Mother
Ellen Squires
b. ~1850
Source father>mother
● Household
· direct · ~0.81
Mother
Margaret Hancock
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Margurite Hancock
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Alvah Hancock
b. ~1893
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Hancock
Daughter · 1940 · age 23 · b. ~1917 · Minnesota
★ You are viewing this record
Sibling
Eleanor Hancock
Sibling · 1940 · age 21
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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01988-00127)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward Rostomily | 41 | Head | Inspector | Minnesota |
| 42 | Anna B Rostomily | 42 | Wife | — | Minnesota |
| 43 | Kenneth Rostomily | 14 | Son | — | Minnesota |
| 44 | Stanley Rostomily | 7 | Son | — | Minnesota |
| 45 | Alvah Hancock | 47 | Head | Printer | Utah |
| 46 | Margaret Hancock | 50 | Wife | — | Minnesota |
| 47 | Mary Hancock THIS PERSON | 23 | Daughter | Stenographer | Minnesota |
| 48 | Eleanor Hancock | 21 | Daughter | — | Minnesota |
| 49 | Hansen Jerry Hancock | 84 | Father in law | — | Minnesota |
| 50 | Osmund Amundson | 37 | Head | Truck Driver | Minnesota |
| 51 | Florence Amundson | 34 | Wife | Telephone Operator | Minnesota |
| 52 | De Wayne Amundson | 9 | Son | — | Minnesota |
| 53 | Carol Jean Amundson | 8 | Daughter | — | Minnesota |
| 54 | Ida Roessler | 61 | Head | — | Minnesota |
| 55 | Leland Hauge | 19 | Lodger | Dental | Minnesota |
| 56 | Evert Enlund | 21 | Lodger | Salesman | Minnesota |
| 57 | Dick Round | 45 | Lodger | Salesman Engineer | Missouri |
| 58 | Peter Foss | 56 | Head | — | Norway |
| 59 | Lucinda B Foss | 51 | Wife | — | Minnesota |
| 60 | William Foss | 22 | Son | Clerical | Minnesota |
| 61 | Carl Foss | 18 | Son | Solicitor | Minnesota |
| 62 | Rudolph Christensen | 40 | Head | Grocer | Minnesota |
| 63 | Hattie Christensen | 42 | Wife | — | Minnesota |
| 64 | Vivian Christensen | 16 | Daughter | — | Minnesota |
| 65 | Audrey Christensen | 14 | Daughter | — | Minnesota |
| 66 | Jacqueline Christensen | 12 | Daughter | — | Minnesota |
| 68 | Martin Engstrom | 33 | Head | Selector | Illinois |
| 69 | Genevieve Engstrom | 31 | Wife | — | Minnesota |
| 70 | James Engstrom | 2 | Son | — | Minnesota |
| 71 | Walter Schon | 31 | Head | Truck Driver | Minnesota |
| 72 | Eva Schon | 30 | Wife | — | Minnesota |
| 73 | Donald Schon | 18 | Son | — | Minnesota |
| 74 | Inas Schon | 17 | Daughter | — | Minnesota |
| 75 | Roy G Johnson | 20 | Lodger | Stock Clerk | Minnesota |
| 76 | Albin Alfredson | 48 | Head | Milk Sales | Sweden |
| 77 | Esther Alfredson | 48 | Wife | — | Minnesota |
| 78 | Evelyn Alfredson | 23 | Daughter | — | Minnesota |
| 79 | Mildred Alfredson | 16 | Daughter | — | Minnesota |
| 80 | Albin Alfredson | 12 | Son | — | Minnesota |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 3 parents
~0.92
Gen 2 · 1 grandparents
~0.81
Max depth 4 (1900–1950 window)
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)