AN
Alice Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Alice Nelson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Carl & Carl — first a spouse (b.~1914), then head of a 8-person household.
Age 26
b. ~1914
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Nelson |
| Given Name | Alice |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1914 |
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 Alice | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Mullen | Daughter | — | 6 | ~1934 |
| Eleanor Nelson | Daughter | — | 1 | ~1939 |
| Lorraine Mullen | Daughter | — | 10 | ~1930 |
| John Mullen | Head | — | 54 | ~1886 |
| Manuel Garcia | Other | — | 70 | ~1870 |
| Francis Nelson | Other | — | 37 | ~1903 |
| Alice Nelson | Spouse | — | 26 | ~1914 |
| Mary Mullen | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 5
Middlesex, Massachusetts · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Alice |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 16
Middlesex, Massachusetts · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Neilson |
| Given Name | Alice |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 26
Middlesex-County, Massachusetts · implied b. ~1914 — 8 household members
| Surname | Nelson |
| Given Name | Alice |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Highest Grade | No 8 |
| 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 Alice Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Carl Neilson (~0.92 confidence) and father Carl Nelson (~0.92 confidence) and mother Toby Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carl Neilson
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Carl Nelson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Toby Nelson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alice Nelson
Spouse · 1940 · age 26 · b. ~1914 · 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 — 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-t0627-01702-00627)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louis Souza | 4 | Son | — | Massachusetts |
| 42 | John Mullen | 54 | Head | Laborer | Massachusetts |
| 43 | Mary Mullen | 44 | Wife | — | Portugal |
| 44 | Lorraine Mullen | 10 | Daughter | — | Massachusetts |
| 45 | Dorothy Mullen | 6 | Daughter | — | Massachusetts |
| 46 | Manuel Garcia | 70 | Father-in-law | — | Massachusetts |
| 47 | Francis Nelson | 37 | Lodger | Repairman | Massachusetts |
| 48 | Alice Nelson THIS PERSON | 26 | Wife | — | Massachusetts |
| 49 | Eleanor Nelson | 1 | Daughter | — | Massachusetts |
| 50 | James Forster | 34 | Head | Laborer | Massachusetts |
| 51 | Evelyn Forster | 31 | Wife | — | Massachusetts |
| 52 | Barbara Forster | 2 | Daughter | — | Massachusetts |
| 53 | James Burns | 38 | Head | Laborer | Massachusetts |
| 54 | Helen Burns | 33 | Wife | — | Massachusetts |
| 55 | Jean Burns | 8 | Daughter | — | Massachusetts |
| 56 | James Burns | 6 | Son | — | Massachusetts |
| 57 | Richard Burns | 2 | Son | — | Massachusetts |
| 58 | Paul Burns | 0 | Son | — | Massachusetts |
| 59 | Josephine Rose | 44 | Head | — | Massachusetts |
| 60 | Helen Rose | 21 | Daughter | Folder | Massachusetts |
| 61 | Edward Rose | 17 | Son | — | Massachusetts |
| 62 | William Mcmahon | 27 | Head | Auto-Mechanic | Massachusetts |
| 63 | Virginia Mcmahon | 20 | Wife | — | Illinois |
| 64 | George Mcmahon | 0 | Son | — | Massachusetts |
| 65 | Mary E. Smith | 42 | Head | — | Massachusetts |
| 66 | George Smith | 20 | Son | Auto-Mechanic | Massachusetts |
| 67 | Russell Smith | 8 | Son | — | Massachusetts |
| 68 | Burton Blemen | 33 | Head | Laborer | Canada-English |
| 69 | Gladys Blemen | 29 | Wife | Matron | Canada-English |
| 70 | Charles Blemen | 10 | Son | — | Massachusetts |
| 71 | Warren Blemen | 9 | Son | — | Massachusetts |
| 72 | John Medeiros | 56 | Head | — | Portugal |
| 73 | Mary Medeiros | 57 | Wife | — | Portugal |
| 74 | Virginia Gomes | 17 | Ward | — | Massachusetts |
| 75 | Rose Oliver | 15 | Ward | — | Massachusetts |
| 76 | Augusta Gomes | 11 | Ward | — | Massachusetts |
| 77 | Beatrice Gomes | 10 | Ward | — | Massachusetts |
| 78 | John Levigne | 32 | Head | Shipper | Massachusetts |
| 79 | Louise Levigne | 26 | Wife | — | Massachusetts |
| 80 | Sylvio Ribeiro | 36 | Head | Shoe-Maker | Portugal |
Pedigree Summary
Alice
Gen 1 · 3 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)