MY
Mary York — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary York across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 8-person household.
Age 41
b. ~1899
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | York |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Watertown town |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 9 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Watertown Town |
| Est. Birth Year | ~1899 |
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 |
|---|---|---|---|---|
| Ralph York | Son | — | 18 | ~1922 |
| George York | Son | — | 15 | ~1925 |
| Elaine York | Daughter | — | 6 | ~1934 |
| Mary York | Spouse | — | 41 | ~1899 |
| Irene York | Daughter | — | 9 | ~1931 |
| Alma York | Daughter | — | 10 | ~1930 |
| George York | Head | — | 41 | ~1899 |
| Mary York | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Middlesex, Massachusetts
Other, age 31
Middlesex, Massachusetts · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | York |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Canada-Fr. |
| Mother's Birthplace | Canada-Fr. |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 41
Middlesex-County, Massachusetts · implied b. ~1899 — 8 household members
| Surname | York |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Watertown town |
| 1935 Residence (County) | Middlesex |
| Industry | 0 |
| Highest Grade | 9 |
| 1935 Residence | Same Place |
| 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 York across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary York
Spouse · 1940 · age 41 · b. ~1899 · 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
37 people indexed on this census page (nara:1940:m-t0627-01620-00673)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Affie M Bacon | 66 | Wife | — | Massachusetts |
| 42 | Howard S Scott | 47 | Head | Mechanist | Maine |
| 43 | Verna Scott | 38 | Wife | — | Canada-English |
| 44 | Howard S Jr Scott | 17 | Son | — | Massachusetts |
| 45 | Howard Donald Scott | 18 | Lodger | — | Massachusetts |
| 46 | Sidney Durfee | 39 | Head | Piano Tuner | Massachusetts |
| 47 | Laura Durfee | 43 | Wife | — | Massachusetts |
| 48 | Doris Adams | 15 | Stepdaughter | — | Massachusetts |
| 49 | Velma Mcgovern | 29 | Lodger | — | Massachusetts |
| 50 | George Hicks | 30 | Head | Mechanic | Massachusetts |
| 51 | Geraldine Hicks | 27 | Wife | — | Massachusetts |
| 52 | George R Jr Hicks | 1 | Son | — | Massachusetts |
| 53 | Mary A Vahey | 61 | Head | — | Massachusetts |
| 54 | Rose A Vahey | 59 | Sister | — | Massachusetts |
| 55 | Patrick Shehill | 60 | Lodger | Filling Station | Massachusetts |
| 58 | James Forkin | 48 | Head | Ford Purchaser | Eire |
| 59 | Laura M Forkin | 44 | Wife | — | Canada-English |
| 60 | John B Forkin | 16 | Son | — | Massachusetts |
| 61 | Gerald J Forkin | 14 | Son | — | Massachusetts |
| 62 | Evelyn Killride | 34 | Sister-in-law | Mender (Cleaner) | Canada-English |
| 63 | George York | 41 | Head | Watch Maker | Massachusetts |
| 64 | Mary A York THIS PERSON | 41 | Wife | — | Massachusetts |
| 65 | Ralph York | 18 | Son | — | Massachusetts |
| 66 | Mary York | 17 | Daughter | — | Massachusetts |
| 67 | George York | 15 | Son | — | Massachusetts |
| 68 | Alma York | 10 | Daughter | — | Massachusetts |
| 69 | Irene York | 9 | Daughter | — | Massachusetts |
| 70 | Elaine York | 6 | Daughter | — | Massachusetts |
| 71 | Dennis O'Leary | 54 | Head | Canner | Eire |
| 72 | Margaret A O'Leary | 60 | Wife | — | Eire |
| 73 | Harry Williams | 28 | Head | Machin Oper. | Pennsylvania |
| 74 | Geraldine Williams | 25 | Wife | — | Pennsylvania |
| 75 | Arthur C Bates | 61 | Head | Pattern Maker | Massachusetts |
| 76 | Ruth E Bates | 62 | Wife | — | Canada-English |
| 77 | Mildred Goss | 17 | Neice | — | Massachusetts |
| 78 | Elizabeth A Higgins | 32 | Head | — | Pennsylvania |
| 79 | Arthur Higgins | 6 | 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)