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Mary Wilson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Wilson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents James & Samuel — first a daughter (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Wilson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Everett City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Clerk |
| Industry | Utility company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Everett City |
| Est. Birth Year | ~1909 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Wilson | Daughter | — | 31 | ~1909 |
| Edith Wilson | Daughter | — | 27 | ~1913 |
| Isabelle Wilson | Daughter | — | 29 | ~1911 |
| James Wilson | Head | — | 66 | ~1874 |
| Bessie Wilson | Spouse | — | 68 | ~1872 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 10
Middlesex, Massachusetts · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Prince Edward Island |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 20
Middlesex, Massachusetts · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wilson |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada English |
| Occupation | top cementer |
| Industry | shoe shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 31
Middlesex-County, Massachusetts · implied b. ~1909 — 5 household members
| Surname | Wilson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Everett City |
| 1935 Residence (County) | Middlesex |
| Occupation | Clerk |
| Industry | Utility company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | Hs 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 Mary Wilson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Wilson (~0.92 confidence) and father Samuel Wilson (~0.92 confidence) and father Daniel Wilson (~0.92 confidence) and mother Mary Wilson (~0.92 confidence) and mother Bessie Wilson (~0.92 confidence) and mother Mary Wilson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Wilson
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Samuel Wilson
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Daniel Wilson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Mary Wilson
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Bessie Wilson
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Mary Wilson
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Wilson
Daughter · 1940 · age 31 · b. ~1909 · Massachusetts
★ You are viewing this record
Sibling
Edith Wilson
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isabelle Wilson
Sibling · 1940 · age 29
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 — 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-t0627-01604-00722)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ada Myerson | 36 | Wife | — | Russia |
| 2 | Albert Myerson | 14 | Son | — | Massachusetts |
| 3 | Evelyn Myerson | 12 | Daughter | — | Massachusetts |
| 4 | Shirley Myerson | 10 | Daughter | — | Massachusetts |
| 5 | Elsie Myerson | 8 | Daughter | — | Massachusetts |
| 6 | Robert Myerson | 2 | Son | — | Massachusetts |
| 7 | Alfred Re | 64 | Head | Bookkeeper | Italy |
| 8 | Adna Re | 66 | Wife | — | New York |
| 9 | Joseph A Re | 38 | Son | Salesman | Massachusetts |
| 10 | Payson Re | 33 | Son | Musician | Massachusetts |
| 11 | Mary Vaughn | 29 | Lodger | Junior Clerk | Massachusetts |
| 12 | Henry N Willis | 63 | Head | Junior Clerk | England |
| 13 | Sadie E Willis | 58 | Wife | — | Vermont |
| 14 | Harry N Willis | 27 | Son | Clerk | Massachusetts |
| 15 | Fred J Hahls | 62 | Head | Employment Manager | New York |
| 16 | Alice Hahls | 57 | Wife | — | Massachusetts |
| 17 | John S Graham | 36 | Head | Clerk | Scotland |
| 18 | Evelyn R Graham | 35 | Wife | Bookkeeper | Massachusetts |
| 19 | Jean Graham | 9 | Daughter | — | Chelsea |
| 20 | Hattie Pratt | 68 | Mother-in-law | — | Massachusetts |
| 21 | Edward S Smith | 33 | Head | Proprietor | Massachusetts |
| 22 | Hazel Theo Smith | 33 | Wife | — | Massachusetts |
| 23 | Lee Smith | 5 | Daughter | — | Massachusetts |
| 24 | Maude Smith | 74 | Mother | — | Canada English |
| 25 | James Wilson | 66 | Head | None | Scotland |
| 26 | Bessie Wilson | 68 | Wife | — | Scotland |
| 27 | Mary Wilson THIS PERSON | 31 | Daughter | Clerk | Massachusetts |
| 28 | Isabelle Wilson | 29 | Daughter | None | Massachusetts |
| 29 | Edith Wilson | 27 | Daughter | None | Massachusetts |
| 30 | Alino Donati | 26 | Head | Labourer | Massachusetts |
| 31 | Mary Donati | 26 | Wife | — | Massachusetts |
| 32 | Dolores Donati | 3 | Daughter | — | Massachusetts |
| 33 | Fred Martochio | 40 | Head | — | Italy |
| 34 | Marion Martochio | 37 | Wife | — | Italy |
| 35 | Gloria Martochio | 17 | Daughter | — | Massachusetts |
| 36 | Elsie Martochio | 15 | Daughter | — | Massachusetts |
| 37 | Fred Martochio | 12 | Son | — | Massachusetts |
| 38 | Dante Blosi | 57 | Head | Labour | Italy |
| 39 | Elizabeth Blosi | 46 | Wife | — | New York |
| 40 | Josephine Blosi | 19 | Daughter | Packer | Massachusetts |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 6 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)