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William Dunn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this William Dunn across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 3-person household.
Age 73
b. ~1867
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Dunn |
| Given Name | William W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Industry | Wholesale |
| Class of Worker | E |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Malden City |
| Est. Birth Year | ~1867 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Dunn | Head | — | 73 | ~1867 |
| Mollie Owen | Other | — | 48 | ~1892 |
| Elston Dunn | Son | — | 26 | ~1914 |
Census Appearances
1920
Middlesex, Massachusetts
Head, age 52
Middlesex, Massachusetts · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | William W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Foreman |
| Industry | Manufacturing |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Head, age 63
Middlesex, Massachusetts · implied b. ~1867 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | William W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 24 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7300 |
| Radio Set | R |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 73
Middlesex-County, Massachusetts · implied b. ~1867 — 3 household members
| Surname | Dunn |
| Given Name | William W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden city |
| 1935 Residence (County) | Middlesex |
| Industry | Wholesale |
| Class of Worker | E |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 William Dunn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Dunn
Head · 1940 · age 73 · b. ~1867 · 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-t0627-01608-00708)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William W. Dunn THIS PERSON | 73 | Head | — | Massachusetts |
| 2 | Elston B. Dunn | 26 | Son | Order Clerk | Maine |
| 3 | Mollie E. Owen | 48 | Sister in law | Cook | Massachusetts |
| 4 | Beatrice G. Nelson | 41 | Head | Hairdresser | New York |
| 5 | Thornton Upham | 37 | Head | Tabulator | Massachusetts |
| 6 | Evelyn D. Upham | 40 | Wife | Office Clerk | Massachusetts |
| 7 | Kathryn M. Johnson | 38 | Sister in law | Secretary | Massachusetts |
| 8 | Frederick T. Davis | 67 | Head | Salesman | Massachusetts |
| 9 | Eva M. Davis | 67 | Wife | — | Massachusetts |
| 10 | Allyne M. Davis | 35 | Daughter | Secretary | Massachusetts |
| 11 | Foster W. Higgins | 45 | Head | Foreman | Maine |
| 12 | Elizabeth F. Higgins | 50 | Wife | — | Maine |
| 13 | Nellie B. Higgins | 70 | Mother | — | Maine |
| 14 | Warren S. Ramsdell | 40 | Head | Proprietor | Massachusetts |
| 15 | Annie G. Ramsdell | 32 | Wife | — | New Hampshire |
| 16 | Warren S. Jr. Ramsdell | 5 | Son | — | Massachusetts |
| 17 | Janice Ramsdell | 1 | Daughter | — | Massachusetts |
| 18 | Eldridge Main | 70 | Head | Stationary Engineer | Maine |
| 19 | Julia H. Main | 65 | Wife | — | Massachusetts |
| 20 | Gerald J. Sullivan | 71 | Head | — | Eire |
| 21 | Annie M. Sullivan | 65 | Wife | — | Maine |
| 22 | Anna M. Cowell | 39 | Head | Secretary | Massachusetts |
| 23 | Helen G. Cowell | 35 | Sister | Secretary | Massachusetts |
| 24 | Louise M. Cowell | 31 | Sister | Comptometer Operator | Massachusetts |
| 25 | Leroy M. Twichell | 55 | Head | Teacher | Massachusetts |
| 26 | Marion F. Twichell | 54 | Wife | — | Massachusetts |
| 27 | Clara G. Mosher | 70 | Head | — | Canada-English |
| 28 | Claire K. Mosher | 40 | Daughter | Secretary | Massachusetts |
| 29 | Harry E. Gerrish | 35 | Head | Trust Officer | Massachusetts |
| 30 | Freda H. Gerrish | 28 | Wife | — | Massachusetts |
| 31 | Judith H. Gerrish | 3 | Daughter | — | Massachusetts |
| 32 | Etta H. Schurman | 54 | Head | — | Canada-English |
| 33 | Geneva G. Doane | 62 | Head | — | Massachusetts |
| 34 | Eva S. Brown | 49 | Partner | Registered Nurse | Massachusetts |
| 35 | Edith H. Cary | 67 | Head | — | Canada-English |
| 36 | Alice Barrett | 55 | Partner | Seamstress | England |
| 37 | Delia L. Connolly | 41 | Lodger | Office Clerk | Massachusetts |
| 38 | John Alexander Wright | 21 | Lodger | Usher | Massachusetts |
| 39 | Harry H. Barber | 60 | Lodger | Painter | Massachusetts |
| 40 | Benjamin F. Tilden | 45 | Head | Agent | 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)