MV
Mary Vincent — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Vincent across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 9-person household.
Age 51
b. ~1889
Female
Head
Born: Canada French
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Vincent |
| Given Name | Mary |
| Relationship to Head | head |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Widowed |
| Birthplace | Canada French |
| 1935 Residence (City) | Lowell |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Canada |
| Birthplace (normalized) | canada french |
| Township / Ward | Lowell |
| Est. Birth Year | ~1889 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Gabrielle Vincent | Daughter | — | 26 | ~1914 |
| Louis Vincent | Son | — | 15 | ~1925 |
| Rita Vincent | Daughter | — | 20 | ~1920 |
| Edith Vincent | Daughter | — | 18 | ~1922 |
| Gilbert Vincent | Son | — | 23 | ~1917 |
| Mary Vincent | Head | — | 51 | ~1889 |
| Paulina Vincent | Daughter | — | 16 | ~1924 |
| Lucille Vincent | Daughter | — | 25 | ~1915 |
| Bernande Vincent | Daughter | — | 21 | ~1919 |
Census Appearances
1930
Middlesex, Massachusetts
Head, age 40
Middlesex, Massachusetts · implied b. ~1890 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vincent |
| Given Name | Mary D. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Widowed |
| Birthplace | Canada French |
| Naturalization Status | First papers filed |
| Year of Immigration | 1898 |
| Age at First Marriage | 23 |
| Father's Birthplace | Canada French |
| Mother's Birthplace | Canada French |
| Can Read/Write | Yes |
| Mother Tongue | French |
| Home Owned/Rented | R |
| Home Value / Rent | 17 |
| Birth Country | Canada |
| Birthplace (normalized) | canada french |
1940
Middlesex-County, Massachusetts
Head, age 51
Middlesex-County, Massachusetts · implied b. ~1889 — 9 household members
| Surname | Vincent |
| Given Name | Mary |
| Relationship to Head | head |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Widowed |
| Birthplace | Canada French |
| 1935 Residence (City) | Lowell |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Canada |
| Birthplace (normalized) | canada french |
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 Vincent across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Vincent
Head · 1940 · age 51 · b. ~1889 · 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-t0627-01692-00517)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth Levy | 5 | daughter | — | Massachusetts |
| 42 | Maurice Levy | 3 | son | — | Massachusetts |
| 43 | Wilfred P. Daigle | 49 | head | Stenographer | Massachusetts |
| 44 | Beatrice Daigle | 21 | daughter | Stenographer | Massachusetts |
| 45 | Julietta Daigle | 19 | daughter | Packer | Massachusetts |
| 46 | Paul Daigle | 15 | son | — | Massachusetts |
| 47 | George Daigle | 13 | son | — | Massachusetts |
| 48 | Ruth Daigle | 11 | daughter | — | Massachusetts |
| 49 | Mary Vincent THIS PERSON | 51 | head | — | Canada French |
| 50 | Gabrielle Vincent | 26 | daughter | Cashier | Massachusetts |
| 51 | Lucille Vincent | 25 | daughter | Supervisor | Massachusetts |
| 52 | Gilbert Vincent | 23 | son | Clerk | Massachusetts |
| 53 | Bernande Vincent | 21 | daughter | Clerk | Massachusetts |
| 54 | Rita Vincent | 20 | daughter | Cracker | Massachusetts |
| 55 | Edith Vincent | 18 | daughter | — | Massachusetts |
| 56 | Paulina Vincent | 16 | daughter | — | Massachusetts |
| 57 | Louis Vincent | 15 | son | — | Massachusetts |
| 58 | Myra J. Brooks | 45 | head | Sewing | Massachusetts |
| 59 | Burnham E. Brooks | 13 | son | — | Massachusetts |
| 60 | Carlton A. Brooks | 11 | son | — | Massachusetts |
| 61 | Jane A. Brooks | 8 | daughter | — | Massachusetts |
| 62 | Annie Mcfadden | 72 | mother | — | Canada French |
| 63 | Joseph Adelard | 42 | head | Stock Clerk | Maine |
| 64 | Marie Ann Adelard | 37 | wife | — | New Hampshire |
| 65 | Edmund Adelard | 15 | son | — | New Hampshire |
| 66 | Albert Adelard | 14 | son | — | New Hampshire |
| 67 | Theresa Adelard | 12 | daughter | — | Maine |
| 68 | Marie Ann Adelard | 10 | daughter | — | New Hampshire |
| 69 | Carol Paquette | 72 | boarder | — | Massachusetts |
| 70 | Joseph Harvey | 58 | head | Operator | Canada French |
| 71 | Marion Harvey | 62 | wife | — | Canada French |
| 72 | Margaret Dube | 31 | step-daughter | Stitcher | Canada French |
| 73 | Alfred Dube | 33 | step-son | Turner | Canada French |
| 74 | Louise Dube | 34 | step-daughter-in-law | Looper | Massachusetts |
| 75 | Gerard Dube | 10 | grandson | — | Massachusetts |
| 76 | Theresa Dube | 2 | granddaughter | — | Massachusetts |
| 77 | Edmund J. Maille | 46 | head | Steam Fitter | Massachusetts |
| 78 | Clara Maille | 46 | wife | — | Massachusetts |
| 79 | Raymond Maille | 20 | son | Battery Boy | Massachusetts |
| 80 | Cleo Maille | 18 | daughter | — | 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)