DC
Dorothy Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Chippewa-County, Michigan
Our Model Tree links this Dorothy Cook across the 1930 and 1940 US Censuses in Chippewa-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 11-person household.
Age 18
b. ~1922
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Chippewa-County, Michigan |
| Surname | Cook |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Sault Ste Marie |
| 1935 Residence (County) | Chippewa |
| Additional Details | |
| Highest Grade | H-4 12 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Sault Ste Marie |
| Est. Birth Year | ~1922 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Arbutus Cook | Daughter | — | 5 | ~1935 |
| Dorothy Cook | Daughter | — | 18 | ~1922 |
| Rubina Cook | Spouse | — | 38 | ~1902 |
| Olive Cook | Daughter | — | 10 | ~1930 |
| Jane Cook | Daughter | — | 16 | ~1924 |
| Arthur Cook | Son | — | 3 | ~1937 |
| Mary Cook | Daughter | — | 12 | ~1928 |
| Hugh Cook | Son | — | 15 | ~1925 |
| Hugh Cook | Head | — | 50 | ~1890 |
| Patricia Cook | Daughter | — | 8 | ~1932 |
| Edward Cook | Son | — | 19 | ~1921 |
Census Appearances
1930
Chippewa, Michigan
Daughter, age 8
Chippewa, Michigan · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Dorothy M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Canada Eng |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Chippewa-County, Michigan
Daughter, age 18
Chippewa-County, Michigan · implied b. ~1922 — 11 household members
| Surname | Cook |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Sault Ste Marie |
| 1935 Residence (County) | Chippewa |
| Highest Grade | H-4 12 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Dorothy Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Cook
Daughter · 1940 · age 18 · b. ~1922 · Michigan
★ You are viewing this record
Sibling
Mary Cook
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Cook
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arbutus Cook
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Cook
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Cook
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hugh Cook
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Olive Cook
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Cook
Sibling · 1940 · age 8
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 — Chippewa-County, Michigan
Open full size
1940 US Federal Census — Chippewa-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01741-00661)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Constance Albone | 14 | Daughter | — | Michigan |
| 2 | Wayne Albone | 13 | Son | — | Michigan |
| 3 | Kenneth Albone | 11 | Son | — | Michigan |
| 4 | Louise Albone | 10 | Daughter | — | Michigan |
| 5 | Le Roy Eitrem | 7 | Son | — | Michigan |
| 6 | Geneva Eitrem | 3 | Daughter | — | Michigan |
| 7 | Genevera Eitrem | 3 | Daughter | — | Michigan |
| 8 | Robert Eitrem | 1 | Son | — | Michigan |
| 9 | James Bryant | 34 | Head | Laborer | Michigan |
| 10 | Lena Bryant | 30 | Wife | — | Michigan |
| 11 | Agnes Bryant | 11 | Daughter | — | Wisconsin |
| 12 | James Bryant | 9 | Son | — | Michigan |
| 13 | Barbara Bryant | 8 | Daughter | — | Michigan |
| 14 | Robert Bryant | 7 | Son | — | Michigan |
| 15 | Kenneth Bryant | 6 | Son | — | Michigan |
| 16 | Hugh Cook | 50 | Head | Lighthouse Keeper | Canada-Eng |
| 17 | Rubina Cook | 38 | Wife | — | Michigan |
| 18 | Edward Cook | 19 | Son | — | Michigan |
| 19 | Dorothy Cook THIS PERSON | 18 | Daughter | — | Michigan |
| 20 | Jane Cook | 16 | Daughter | — | Michigan |
| 21 | Hugh Cook | 15 | Son | — | Michigan |
| 22 | Mary Cook | 12 | Daughter | — | Michigan |
| 23 | Olive Cook | 10 | Daughter | — | Michigan |
| 24 | Patricia Cook | 8 | Daughter | — | Michigan |
| 25 | Arbutus Cook | 5 | Daughter | — | Michigan |
| 26 | Arthur Cook | 3 | Son | — | Michigan |
| 27 | Herbert Ward | 34 | Head | Foreman | Michigan |
| 28 | Hazel Ward | 29 | Wife | — | Michigan |
| 29 | Elliott Gordon | 37 | Head | Foreman | Michigan |
| 30 | Dorothy Gordon | 36 | Wife | — | Michigan |
| 31 | Virginia Gordon | 10 | Daughter | — | Michigan |
| 32 | Margaret Gordon | 7 | Daughter | — | Michigan |
| 33 | William Henderson | 34 | Head | Truck Driver | Michigan |
| 34 | Lillian Henderson | 31 | Wife | — | Michigan |
| 35 | Donald Henderson | 4 | Son | — | Michigan |
| 36 | Joan Henderson | 3 | Daughter | — | Michigan |
| 37 | Dale Henderson | 0 | Son | — | Michigan |
| 38 | Molly Lumsden | 37 | Head | — | Michigan |
| 39 | Viola Lumsden | 17 | Daughter | — | Michigan |
| 40 | Elvina Lumsden | 15 | Daughter | — | Michigan |
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)