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Grace Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Grace Nelson across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Female
Spouse
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Nelson |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | City of Newton |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | City Of Newton |
| Est. Birth Year | ~1900 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Florence Fuller | Other | — | 49 | ~1891 |
| Herbert Nelson | Head | — | 43 | ~1897 |
| Loretta Nelson | Daughter | — | 17 | ~1923 |
| Freemont Nelson | Son | — | 19 | ~1921 |
| Shirley Nelson | Daughter | — | 9 | ~1931 |
| Florence Nelson | Daughter | — | 11 | ~1929 |
| Dorothy Nelson | Daughter | — | 15 | ~1925 |
| Grace Nelson | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Middlesex, Massachusetts
Other, age 29
Middlesex, Massachusetts · implied b. ~1901 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Grace |
| Relationship to Head | Daughter-in-law |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 20 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Middlesex-County, Massachusetts
Spouse, age 40
Middlesex-County, Massachusetts · implied b. ~1900 — 8 household members
| Surname | Nelson |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | City of Newton |
| 1935 Residence (County) | Middlesex |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Nelson
Spouse · 1940 · age 40 · b. ~1900 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01614-00640)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lucilla Callahan | 15 | Daughter | — | Mass |
| 42 | William H Callahan | 7 | Son | — | Mass |
| 43 | Frederick K Callahan | 5 | Son | — | Mass |
| 44 | Michael J Coen | 59 | Head | Letter Carrier | Eire |
| 45 | Mary M Coen | 59 | Wife | — | Eire |
| 46 | Julian J Coen | 28 | Son | Caddy Master | Mass |
| 47 | Eleanor M Coen | 27 | Daughter | — | Mass |
| 48 | Mary C Coen | 25 | Daughter | Office Clerk | Mass |
| 49 | Brian C Coen | 20 | Son | Store Clerk | Mass |
| 50 | Raymond Flock | 28 | Head | Assembler | New York |
| 51 | Louise Flock | 29 | Wife | — | New York |
| 52 | David Flock | 3 | Son | — | Mass |
| 53 | Robert Flock | 1 | Son | — | Mass |
| 54 | Allen W Johnson | 71 | Head | — | Maine |
| 55 | Annie L Johnson | 71 | Wife | — | Maine |
| 56 | Richard W Stearns | 18 | Grandson | — | Mass |
| 57 | Robert E Stearns | 21 | Grandson | — | Mass |
| 58 | Marion Martin | 50 | Head | — | Mass |
| 59 | Alfred W Martin | 20 | Son | Mechanic | Mass |
| 60 | Catherine Martin | 18 | Daughter | Doctor Asst | Mass |
| 61 | Ralph Martin | 10 | Son | — | Mass |
| 62 | Louisa Lee | 76 | Lodger | — | England |
| 63 | Frances Martorana | 68 | Head | Hatter | Italy |
| 64 | Josephine Martorana | 64 | Wife | — | Italy |
| 65 | Josephine Martorana | 40 | Daughter | Telephone Operator | Mass |
| 66 | Joan A Martorana | 36 | Daughter | Technician | Mass |
| 67 | Francis Martorana | 29 | Son | — | Mass |
| 68 | Joseph W Martorana | 26 | Son | Traffic Mgr | Mass |
| 69 | Edward Martorana | 24 | Son | — | Mass |
| 70 | Arthur T Martorana | 22 | Son | New Worker | Mass |
| 71 | Herbert A Nelson | 43 | Head | Carpenter | Mass |
| 72 | Grace Nelson THIS PERSON | 40 | Wife | — | Maine |
| 73 | Freemont H Nelson | 19 | Son | — | Mass |
| 74 | Loretta Mae Nelson | 17 | Daughter | — | Mass |
| 75 | Dorothy Louise Nelson | 15 | Daughter | — | Mass |
| 76 | Florence L Nelson | 11 | Daughter | — | Mass |
| 77 | Shirley E Nelson | 9 | Daughter | — | Mass |
| 78 | Florence Fuller | 49 | Sister | Nurse | Mass |
| 79 | Burton Moore | 60 | Head | Electrician | New York |
| 80 | Helen Moore | 57 | Wife | — | Mass |
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)