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Grace Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Norfolk-County, Massachusetts
Our Model Tree links this Grace Cook across the 1930 and 1940 US Censuses in Norfolk-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 11-person household.
Age 14
b. ~1926
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Norfolk-County, Massachusetts |
| Surname | Cook |
| Given Name | Grace L. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Bellingham |
| 1935 Residence (County) | Norfolk |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Bellingham |
| Est. Birth Year | ~1926 |
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 Grace | Age | Birth yr |
|---|---|---|---|---|
| Loren Cook | Son | — | 8 | ~1932 |
| Wyman Cook | Son | — | 15 | ~1925 |
| Leila Cook | Daughter | — | 4 | ~1936 |
| Lucille Cook | Daughter | — | 2 | ~1938 |
| Willy Cook | Other | — | 73 | ~1867 |
| Raymond Cook | Son | — | 17 | ~1923 |
| Luvia Cook | Daughter | — | 11 | ~1929 |
| Grace Cook | Daughter | — | 14 | ~1926 |
| Harland Cook | Son | — | 9 | ~1931 |
| Laura Cook | Spouse | — | 39 | ~1901 |
| Harland Cook | Head | — | 43 | ~1897 |
Census Appearances
1930
Norfolk, Massachusetts
Other, age 4
Norfolk, Massachusetts · implied b. ~1926 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Grace |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New Hampshire |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Norfolk-County, Massachusetts
Daughter, age 14
Norfolk-County, Massachusetts · implied b. ~1926 — 11 household members
| Surname | Cook |
| Given Name | Grace L. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Bellingham |
| 1935 Residence (County) | Norfolk |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Cook
Daughter · 1940 · age 14 · b. ~1926 · Massachusetts
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Sibling
Luvia Cook
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harland Cook
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leila Cook
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loren Cook
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wyman Cook
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Cook
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Cook
Sibling · 1940 · age 2
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 — Norfolk-County, Massachusetts
Open full size
1940 US Federal Census — Norfolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01624-00095)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Phyllis L. Berry | 8 | daughter | — | Massachusetts |
| 2 | Albert C. Gardner | 58 | Head | Laborer | Massachusetts |
| 3 | Emma Gardner | 53 | Wife | — | Massachusetts |
| 4 | Wilbur Gardner | 17 | son | New Worker | Massachusetts |
| 5 | Elizabeth Gardner | 16 | daughter | New Worker | Massachusetts |
| 6 | William Gardner | 27 | son | Laborer | Massachusetts |
| 7 | Mabel Gardner | 26 | daughter-in-law | — | Massachusetts |
| 8 | Geraldine Gardner | 7 | granddaughter | — | Massachusetts |
| 9 | William Jr. Gardner | 6 | grandson | — | Massachusetts |
| 10 | Richard Gardner | 0 | grandson | — | Massachusetts |
| 11 | Etta M. Bates | 82 | Head | — | Massachusetts |
| 12 | Clarabelle Thayer | 70 | Head | — | Massachusetts |
| 13 | Lawrence Desjarlais | 27 | Head | Laborer | Rhode Island |
| 14 | Anna Desjarlais | 25 | Wife | — | Massachusetts |
| 15 | Leo F. Desjarlais | 1 | son | — | Massachusetts |
| 16 | Dolores A. Desjarlais | 0 | daughter | — | Massachusetts |
| 17 | Melvin Graves | 21 | lodger | Dealer | Massachusetts |
| 18 | Mildred Graves | 19 | lodger | — | Massachusetts |
| 19 | Harland E. Cook | 43 | Head | House Painter | Massachusetts |
| 20 | Laura A. Cook | 39 | Wife | — | New Hampshire |
| 21 | Raymond E. Cook | 17 | son | — | Massachusetts |
| 22 | Wyman H. Cook | 15 | son | — | Massachusetts |
| 23 | Grace L. Cook THIS PERSON | 14 | daughter | — | Massachusetts |
| 24 | Luvia M. Cook | 11 | daughter | — | Massachusetts |
| 25 | Harland Jr. Cook | 9 | son | — | Massachusetts |
| 26 | Loren S. Cook | 8 | son | — | Massachusetts |
| 27 | Leila R. Cook | 4 | daughter | — | Massachusetts |
| 28 | Lucille E. Cook | 2 | daughter | — | Massachusetts |
| 29 | Willy L. Cook | 73 | father | Salesman | Massachusetts |
| 30 | Emile Rockwood | 80 | Head | — | Massachusetts |
| 31 | Freddie Peterson | 34 | Head | Lathe Hand | Denmark |
| 32 | Fray Peterson | 31 | Wife | — | Massachusetts |
| 33 | Ruth C. Peterson | 11 | daughter | — | Massachusetts |
| 34 | Ethel M. Spencer | 54 | Head | Forelady | New York |
| 35 | Albert Spencer | 19 | son | Apprentice Mechanic | Massachusetts |
| 36 | Allie L. Thompson | 77 | Head | — | Massachusetts |
| 37 | Melvin W. Tucker | 52 | Head | Fireman Watchman | New York |
| 38 | Edith Tucker | 41 | Wife | — | Massachusetts |
| 39 | William R. Cook | 19 | son | Teamster | Massachusetts |
| 40 | Harold Granger | 29 | Head | Teacher | Massachusetts |
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)