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Nellie Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Nellie Cook across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 3-person household.
Age 55
b. ~1885
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Cook |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Winthrop Town |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Winthrop Town |
| Est. Birth Year | ~1885 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Nellie | Age | Birth yr |
|---|---|---|---|---|
| Nellie Cook | Spouse | — | 55 | ~1885 |
| Leon Cook | Head | — | 55 | ~1885 |
| Lucille Cook | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Suffolk, Massachusetts
Spouse, age 35
Suffolk, Massachusetts · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Nellie R |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Spouse, age 45
Suffolk, Massachusetts · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Nellie C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 23 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Spouse, age 55
Suffolk-County, Massachusetts · implied b. ~1885 — 3 household members
| Surname | Cook |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Winthrop Town |
| 1935 Residence (County) | Suffolk |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 Nellie Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Nellie Cook
Spouse · 1940 · age 55 · b. ~1885 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01644-00665)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rachel Johnson | 70 | Lodger | Teacher | Maine |
| 42 | Jane Blank | 75 | Lodger | — | Maine |
| 43 | Leland Lloyd | 45 | Head | Office Manager | Massachusetts |
| 44 | Jeanette Lloyd | 49 | Wife | — | Massachusetts |
| 45 | Charles Yerxa | 49 | Head | Factory Superintendent | Canada-English |
| 46 | Winifred Yerxa | 51 | Wife | Office Manager | Massachusetts |
| 47 | Mary Grace Yerxa | 37 | Sister | Manager | Canada-English |
| 48 | David Klagge | 43 | Head | Painter | Massachusetts |
| 49 | Emily Klagge | 35 | Wife | — | Massachusetts |
| 50 | David Klagge | 15 | Son | — | Massachusetts |
| 51 | Anis Klagge | 10 | Daughter | — | Massachusetts |
| 52 | Ruth Wyman | 35 | Lodger | Teacher | Massachusetts |
| 53 | Arthur Griffin | 62 | Head | Electrical Engineer | Massachusetts |
| 54 | Louise Griffin | 64 | Wife | — | Massachusetts |
| 55 | Dora Ingalls | 60 | Sister-in-law | Bookkeeper | Massachusetts |
| 56 | Francis Dranin | 31 | Head | Buyer | New Jersey |
| 57 | Juanita Dranin | 30 | Wife | — | West Virginia |
| 58 | Ina Sunfield Dranin | 2 | Daughter | — | New Jersey |
| 59 | Sally Warren Dranin | 1 | Daughter | — | Massachusetts |
| 60 | George Myrick | 62 | Head | Laborer | Massachusetts |
| 61 | Grace Myrick | 52 | Wife | — | Massachusetts |
| 62 | George Myrick | 32 | Son | Office Clerk | Massachusetts |
| 63 | Harrison Myrick | 25 | Son | Salesman | Massachusetts |
| 64 | Elizabeth Myrick | 23 | Daughter | Teacher | Massachusetts |
| 65 | William Coffey | 38 | Head | Supervisor | Massachusetts |
| 66 | Dorothy Coffey | 37 | Wife | — | Massachusetts |
| 67 | Charlotte Coffey | 13 | Daughter | — | Massachusetts |
| 68 | Maude Smith | 39 | Lodger | — | Canada-English |
| 69 | Frederick Pitman | 68 | Lodger | General Worker | Massachusetts |
| 70 | George Sinclair | 51 | Head | Underwriter | Massachusetts |
| 71 | Gert Sinclair | 44 | Wife | — | Massachusetts |
| 72 | Francis Coyle | 38 | Head | Clerk | Connecticut |
| 73 | Mildred Coyle | 33 | Wife | — | Connecticut |
| 74 | Francis Coyle | 11 | Son | — | Massachusetts |
| 75 | Ernest Martin | 61 | Head | — | New Hampshire |
| 76 | Florence Martin | 42 | Wife | — | Canada-English |
| 77 | Dora Martin | 16 | Daughter | — | Massachusetts |
| 78 | Leon Cook | 55 | Head | Service Man | Massachusetts |
| 79 | Nellie Cook THIS PERSON | 55 | Wife | — | Massachusetts |
| 80 | Lucille Cook | 21 | Daughter | Secretary | 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)