GC
Grace Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Grace Cook across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents George & George — first a daughter (b.~1887), then head of a 5-person household.
Age 53
b. ~1887
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Cook |
| Given Name | Grace B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Minneapolis City |
| Est. Birth Year | ~1887 |
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 Grace | Age | Birth yr |
|---|---|---|---|---|
| Florence Cook | Daughter | — | 49 | ~1891 |
| Clara Cook | Head | — | 87 | ~1853 |
| Grace Cook | Daughter | — | 53 | ~1887 |
| Bessie Garnley | Daughter | — | 40 | ~1900 |
| Corrine Cook | Daughter | — | 42 | ~1898 |
Census Appearances
1900
Hennepin, Minnesota
Daughter, age 14
Hennepin, Minnesota · implied b. ~1886 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Grace B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| Birth Month | Jan |
| Birth Year | 1886 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1910
Hennepin, Minnesota
Daughter, age 24
Hennepin, Minnesota · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Grace B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
Hennepin, Minnesota
Daughter, age 33
Hennepin, Minnesota · implied b. ~1887 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Grace B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Hennepin, Minnesota
Daughter, age 45
Hennepin, Minnesota · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Grace B |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | bookkeeper |
| Industry | office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Hennepin-County, Minnesota
Daughter, age 53
Hennepin-County, Minnesota · implied b. ~1887 — 5 household members
| Surname | Cook |
| Given Name | Grace B. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 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 Grace Cook across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Cook (~0.92 confidence) and father George Cook (~0.92 confidence) and father Henry Cook (~0.92 confidence) and mother Abbie Cook (~0.92 confidence) and mother Alice Cook (~0.92 confidence) and mother Clara Cook (~0.92 confidence) and mother Clara Cook (~0.92 confidence) and mother Clara Cook (~0.92 confidence). The pedigree spans 1 generation with 8 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Cook
b. ~1854
Source father
● Household
· direct · ~0.92
Father
George Cook
b. ~1853
Source father
● Household
· direct · ~0.92
Father
Henry Cook
b. ~1853
Source father
● Household
· direct · ~0.92
Mother
Abbie Cook
b. ~1854
Source mother
● Household
· direct · ~0.92
Mother
Alice Cook
b. ~1859
Source mother
● Household
· direct · ~0.92
Mother
Clara Cook
b. ~1853
Source mother
● Household
· direct · ~0.92
Mother
Clara Cook
b. ~1854
Source mother
● Household
· direct · ~0.92
Mother
Clara Cook
b. ~1853
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Grace Cook
Daughter · 1940 · age 53 · b. ~1887 · Minnesota
★ You are viewing this record
Sibling
Florence Cook
Sibling · 1940 · age 49
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Garnley
Sibling · 1940 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Corrine Cook
Sibling · 1940 · age 42
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
40 people indexed on this census page (nara:1940:m-t0627-01984-00281)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fanny Petter | 60 | Head | — | Finland |
| 42 | Ina Petter | 38 | Daughter | Teacher | Massachusetts |
| 43 | Armas Petter | 37 | Son | Teacher | Massachusetts |
| 44 | Aila Petter | 35 | Daughter | Teacher | Massachusetts |
| 45 | Ruth Petter | 26 | Daughter | Teacher | Illinois |
| 46 | Jean Mchugh | 36 | Head | Interior Decorator | Minnesota |
| 47 | Elona Mchugh | 26 | Maid | Maid | Minnesota |
| 48 | Clara G. Cook | 87 | Head | — | New York |
| 49 | Grace B. Cook THIS PERSON | 53 | Daughter | — | Michigan |
| 50 | Florence H. Cook | 49 | Daughter | Bookkeeper | Minnesota |
| 51 | Corrine P. Cook | 42 | Daughter | — | Minnesota |
| 52 | Bessie C. Garnley | 40 | Daughter | — | Michigan |
| 53 | Arthur Davis | 56 | Head | Salesman | Iowa |
| 54 | Lydia Davis | 59 | Wife | — | Iowa |
| 55 | Percy Donovan | 60 | Head | Mining Engineer | Minnesota |
| 56 | Alice Donovan | 59 | Wife | — | Minnesota |
| 57 | Elizabeth Donovan | 23 | Daughter | Teacher | Minnesota |
| 58 | Molly K. Dougan | 83 | Lodger | — | Minnesota |
| 59 | Barbara Pendleton | 24 | Lodger | Demonstrator Instructor | Kansas |
| 60 | James H. Helmig | 32 | Head | Sales Representative | Illinois |
| 61 | Ellen O. Helmig | 30 | Wife | — | Minnesota |
| 62 | Ellen Oren Helmig | 3 | Daughter | — | Minnesota |
| 63 | Dana M. Helmig | 0 | Daughter | — | Minnesota |
| 64 | Eunice Hovda | 11 | Maid | Maid | Wisconsin |
| 65 | Hannah Mueller | 70 | Head | — | Minnesota |
| 66 | Robert Mueller | 35 | Son | Managing Editor | Minnesota |
| 67 | Robert S. Mueller | 8 | Grandson | — | Minnesota |
| 68 | Richard Mueller | 6 | Grandson | — | Minnesota |
| 69 | Herbert Mueller | 32 | Son | Editorial Worker | Minnesota |
| 70 | Allan Mueller | 30 | Son | Advertising Man | Minnesota |
| 71 | Ralph Mueller | 28 | Son | Reporter | Minnesota |
| 72 | Alice L. Trimble | 58 | Head | — | Minnesota |
| 73 | Margaret H. Trimble | 53 | Daughter | Librarian | Philadelphia |
| 74 | Alice De Veau | 52 | Daughter | Librarian | Philadelphia |
| 75 | Phillip De Veau | 21 | Grandson | Bank Clerk | Washington |
| 76 | Henry Taylor | 68 | Brother | Dentist | Minnesota |
| 77 | Lila Dotson | 66 | Lodger | — | New York |
| 78 | Minnee Roberts | 44 | Head | Hand Lady | Illinois |
| 79 | Paul Roberts | 13 | Son | — | Minnesota |
| 80 | Robert Roberts | 11 | Son | — | Minnesota |
Pedigree Summary
Grace + 3 siblings
Gen 1 · 8 parents
~0.92
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)