JD
John Dunn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this John Dunn across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 4-person household.
Age 57
b. ~1883
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Dunn |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Arlington |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2664 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Clerk |
| Township / Ward | Arlington |
| Est. Birth Year | ~1883 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ruth Tilton | Daughter | — | 29 | ~1911 |
| John Dunn | Head | — | 57 | ~1883 |
| Charles Tilton | Other | — | 27 | ~1913 |
| Hortense Dunn | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 38
Middlesex, Massachusetts · implied b. ~1882 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Scotland |
| Year of Naturalization | 1902 |
| Birthplace (normalized) | scotland |
1930
Middlesex, Massachusetts
Head, age 46
Middlesex, Massachusetts · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Clerk |
| Industry | Post office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 50 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Middlesex-County, Massachusetts
Head, age 57
Middlesex-County, Massachusetts · implied b. ~1883 — 4 household members
| Surname | Dunn |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Arlington |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2664 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 John Dunn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Dunn
Head · 1940 · age 57 · b. ~1883 · Massachusetts
★ You are viewing this record
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-t0627-01601-00670)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Graham | 55 | Lodger | Watchman | Northern Ireland |
| 42 | Patricia Graham | 16 | Lodger | — | Northern Ireland |
| 43 | Roy Mccormack | 43 | Head | New Car Manager | Massachusetts |
| 44 | Dorothy Mccormack | 41 | Wife | — | Massachusetts |
| 45 | Barbara Mccormack | 12 | Daughter | — | Massachusetts |
| 46 | Mary Mccormack | 6 | Daughter | — | Massachusetts |
| 47 | John M. Dunn THIS PERSON | 57 | Head | Clerk | Scotland |
| 48 | Hortense Dunn | 55 | Wife | — | Canada-English |
| 49 | Ruth Tilton | 29 | Daughter | Stenographer | Massachusetts |
| 50 | Charles Tilton | 27 | Son-in-law | Clerk | Massachusetts |
| 51 | Michael J. Hickey | 48 | Head | Leather Merchant | Massachusetts |
| 52 | Lillian M. Hickey | 46 | Wife | — | Massachusetts |
| 53 | Joseph F. Hickey | 19 | Son | — | Massachusetts |
| 54 | Frank Kelley | 59 | Head | Candy Maker | Massachusetts |
| 55 | Georgianna Kelley | 61 | Wife | — | Massachusetts |
| 56 | George F. Kelley | 31 | Head | Commercial Artist | Massachusetts |
| 57 | Anna L. Kelley | 28 | Wife | — | Massachusetts |
| 58 | Virginia Kelley | 0 | Daughter | — | Massachusetts |
| 59 | John Nolan | 37 | Head | Superintendent | Massachusetts |
| 60 | Rose Nolan | 35 | Wife | — | Maine |
| 61 | James Nolan | 8 | Son | — | Massachusetts |
| 62 | Thomas Conway | 37 | Head | Clerk | Connecticut |
| 63 | Anna Conway | 39 | Wife | — | Massachusetts |
| 64 | Thomas Conway | 13 | Son | — | Massachusetts |
| 65 | Joan Conway | 10 | Daughter | — | Massachusetts |
| 66 | Edmund Greiner | 39 | Head | Clerk | Connecticut |
| 67 | Sara Greiner | 39 | Wife | — | Connecticut |
| 68 | Noel Greiner | 2 | Son | — | Massachusetts |
| 69 | Robley Goodwin | 42 | Head | Estimator | Eire |
| 70 | Audrey Goodwin | 30 | Wife | — | Massachusetts |
| 71 | Arthur Goodwin | 6 | Son | — | Massachusetts |
| 72 | Julia Cortopassi | 30 | Head | Topping | Italy |
| 73 | Sandra Motroni | 4 | Daughter | — | Massachusetts |
| 74 | Charles Welch | 52 | Head | Mechanic | Massachusetts |
| 75 | Selma Welch | 47 | Wife | Stitcher | Germany |
| 76 | Henry Cunningham | 53 | Head | Field Engineer | Massachusetts |
| 77 | Ella Cunningham | 50 | Wife | — | Massachusetts |
| 78 | Walter Cunningham | 26 | Son | Photographer | Massachusetts |
| 79 | Henry Cunningham | 16 | Son | — | Massachusetts |
| 80 | Henry O'Connor | 39 | Head | Salesman | 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)