MD
Mary Dillon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Mary Dillon across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1887), then head of a 7-person household.
Age 53
b. ~1887
Female
Spouse
Born: Irish Free State
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Dillon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Everett City |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
| Township / Ward | Everett City |
| Est. Birth Year | ~1887 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Dillon | Daughter | — | 31 | ~1909 |
| Dorothy Dillon | Daughter | — | 22 | ~1918 |
| Arlene Dillon | Daughter | — | 16 | ~1924 |
| Mary Dillon | Daughter | — | 26 | ~1914 |
| Edmund Dillon | Head | — | 64 | ~1876 |
| John Dillon | Son | — | 20 | ~1920 |
| Mary Dillon | Spouse | — | 53 | ~1887 |
Census Appearances
1930
Middlesex, Massachusetts
Spouse, age 45
Middlesex, Massachusetts · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dillon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| Naturalization Status | Naturalized |
| Year of Immigration | 1902 |
| Age at First Marriage | 21 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | irish free state |
1940
Middlesex-County, Massachusetts
Spouse, age 53
Middlesex-County, Massachusetts · implied b. ~1887 — 7 household members
| Surname | Dillon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Irish Free State |
| 1935 Residence (City) | Everett City |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birthplace (normalized) | irish free state |
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 Dillon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dillon
Spouse · 1940 · age 53 · b. ~1887 · 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-t0627-01604-00248)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emma Struccia | 25 | Daughter | Wrapper | Massachusetts |
| 42 | Frank Struccia | 23 | Son | — | Massachusetts |
| 43 | Phyllis Struccia | 20 | Daughter | Clerk | Massachusetts |
| 44 | Fred Struccia | 15 | Son | — | Massachusetts |
| 45 | Nicholas Anzuoni | 30 | Head | Mechanic | Massachusetts |
| 46 | Marie Anzuoni | 28 | Wife | — | Massachusetts |
| 47 | Nicholas Jr. Anzuoni | 5 | Son | — | Massachusetts |
| 48 | Jacqueline Anzuoni | 1 | Daughter | — | Massachusetts |
| 49 | Edmund Dillon | 64 | Head | — | Irish Free State |
| 50 | Mary Dillon THIS PERSON | 53 | Wife | — | Irish Free State |
| 51 | Margaret Dillon | 31 | Daughter | Instructress | Massachusetts |
| 52 | Mary Dillon | 26 | Daughter | School Teacher | Massachusetts |
| 53 | Dorothy Dillon | 22 | Daughter | Clerical | Massachusetts |
| 54 | John Dillon | 20 | Son | — | Massachusetts |
| 55 | Arlene Dillon | 16 | Daughter | — | Massachusetts |
| 56 | Corbett Proch | 58 | Head | Rigging | Newfoundland |
| 57 | Susanna Proch | 59 | Wife | — | Newfoundland |
| 58 | Martin Sarkisian | 23 | Head | Hair Dresser | Massachusetts |
| 59 | Julia Sarkisian | 23 | Wife | — | Massachusetts |
| 60 | Clara Sarkisian | 48 | Mother | Proprietor | Armenia |
| 61 | Harry Macdonald | 58 | Head | Plumber | Nova Scotia |
| 62 | Wylma Macdonald | 54 | Wife | — | Nova Scotia |
| 63 | Max Kimball | 42 | Head | Credit Man | New York |
| 64 | Annie Kimball | 40 | Wife | — | Russia |
| 65 | Neil Kimball | 10 | Son | — | New York |
| 66 | Louis Park | 30 | Head | Salesman | Massachusetts |
| 67 | Mollie Park | 30 | Wife | — | Massachusetts |
| 68 | Samuel Kanberg | 29 | Head | Sheet Metal Worker | Massachusetts |
| 69 | Dorothy Kanberg | 26 | Wife | — | Connecticut |
| 70 | George B. Nichols | 84 | Head | — | Massachusetts |
| 71 | Ariel Armstrong | 45 | Housekeeper | Housekeeper | Massachusetts |
| 72 | John Penney | 34 | Head | Junior Timekeeper | Massachusetts |
| 73 | Anna Penney | 33 | Wife | — | Massachusetts |
| 74 | John Jr. Penney | 10 | Son | — | Massachusetts |
| 75 | Jeanne Penney | 8 | Daughter | — | Massachusetts |
| 76 | Robert Penney | 7 | Son | — | Massachusetts |
| 77 | William Penney | 6 | Son | — | Massachusetts |
| 78 | Barbara Penney | 5 | Daughter | — | Massachusetts |
| 79 | Patricia Penney | 3 | Daughter | — | Massachusetts |
| 80 | Elvera Bailey | 29 | Head | — | New York |
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)