MG
Mary Garcia — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Garcia across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1910), then head of a 8-person household.
Age 30
b. ~1910
Female
Spouse
Born: Portugal
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Garcia |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Portugal |
| 1935 Residence (City) | Lowell |
| Naturalization Status | First papers filed |
| Additional Details | |
| Occupation | quilter |
| Industry | silk mill |
| Class of Worker | PW |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
| Occupation | Quilter |
| Township / Ward | Lowell |
| Est. Birth Year | ~1910 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Elsie Garcia | Daughter | — | 7 | ~1933 |
| Manuel Garcia | Head | — | 34 | ~1906 |
| Joseph Garcia | Son | — | 2 | ~1938 |
| Mary Garcia | Spouse | — | 30 | ~1910 |
| Edward Garcia | Son | — | 3 | ~1937 |
| Albert Garcia | Son | — | 1 | ~1939 |
| Geraldine Garcia | Daughter | — | 9 | ~1931 |
| Dorothy Garcia | Daughter | — | 6 | ~1934 |
Census Appearances
1930
Essex, Massachusetts
Spouse, age 20
Essex, Massachusetts · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Garcia |
| Given Name | Mary P. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Portugal |
| Naturalization Status | Alien |
| Year of Immigration | 1926 |
| Age at First Marriage | 18 |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Can Read/Write | No |
| Mother Tongue | Portuguese |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
1940
Middlesex-County, Massachusetts
Spouse, age 30
Middlesex-County, Massachusetts · implied b. ~1910 — 8 household members
| Surname | Garcia |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Portugal |
| 1935 Residence (City) | Lowell |
| Naturalization Status | First papers filed |
| Occupation | quilter |
| Industry | silk mill |
| Class of Worker | PW |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
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 Garcia across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Garcia
Spouse · 1940 · age 30 · b. ~1910 · 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-t0627-01691-00340)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Alves | 9 | daughter | — | Massachusetts |
| 42 | Manuel Alves | 0 | son | — | Massachusetts |
| 43 | Mary Lizotte | 64 | Mother | Spinner | French Canada |
| 44 | Lucien Lizotte | 35 | son | Finisher | Massachusetts |
| 45 | Edward Lambert | 64 | Head | Weaver | French Canada |
| 46 | Marie Lambert | 37 | wife | — | French Canada |
| 47 | Edward Lambert | 36 | son | Clerk | New Hampshire |
| 48 | Francis Lambert | 34 | son | Truck Driver | New Hampshire |
| 49 | Marie Lambert | 31 | daughter | Clerk | New Hampshire |
| 50 | Eva Lambert | 30 | daughter | Clerk | Maine |
| 51 | Alice Lambert | 29 | daughter | Dressmaker | Maine |
| 52 | Manuel Garcia | 34 | Head | Waiter | Massachusetts |
| 53 | Mary Garcia THIS PERSON | 30 | wife | Quilter | Portugal |
| 54 | Geraldine Garcia | 9 | daughter | — | New Hampshire |
| 55 | Elsie Garcia | 7 | daughter | — | Massachusetts |
| 56 | Dorothy Garcia | 6 | daughter | — | Massachusetts |
| 57 | Edward Garcia | 3 | son | — | Massachusetts |
| 58 | Joseph Garcia | 2 | son | — | Massachusetts |
| 59 | Albert Garcia | 1 | son | — | Massachusetts |
| 60 | Eugene Dozois | 33 | Head | Laborer | Connecticut |
| 61 | Mary Dozois | 37 | wife | — | French Canada |
| 62 | Cecile Dozois | 17 | daughter | — | Massachusetts |
| 63 | Emile Dozois | 16 | son | — | Massachusetts |
| 64 | Wilfred Dozois | 15 | son | — | Massachusetts |
| 65 | Morris Dozois | 14 | son | — | Massachusetts |
| 66 | Theresa Dozois | 9 | daughter | — | Massachusetts |
| 67 | Pauline Dozois | 8 | daughter | — | Massachusetts |
| 68 | Gerard Dozois | 6 | son | — | Massachusetts |
| 69 | Robert Dozois | 3 | son | — | Massachusetts |
| 70 | Valerie Dozois | 2 | son | — | Massachusetts |
| 71 | Eugene Dozois | 1 | son | — | Massachusetts |
| 72 | Joseph Deschenes | 43 | Head | Laborer | New Hampshire |
| 73 | Angelina Deschenes | 38 | wife | — | Massachusetts |
| 74 | Richard Deschenes | 18 | son | Laundry Worker | New Hampshire |
| 75 | Doris Deschenes | 17 | daughter | New Worker | Massachusetts |
| 76 | Armand Deschenes | 16 | son | New Worker | Massachusetts |
| 77 | Henry Deschenes | 14 | son | — | Massachusetts |
| 78 | Violet Deschenes | 12 | daughter | — | Massachusetts |
| 79 | Robert Deschenes | 6 | son | — | Massachusetts |
| 80 | Charles Deschenes | 4 | son | — | 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)