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John Dyer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cumberland-County, Maine
Our Model Tree links this John Dyer across the 1920, 1930 and 1940 US Censuses in Cumberland-County, Maine (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 3-person household.
Age 50
b. ~1890
Male
Head
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cumberland-County, Maine |
| Surname | Dyer |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Cumberland |
| Additional Details | |
| Occupation | Steam Fitter |
| Industry | Steam Installation |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 624 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Steam Fitter |
| Township / Ward | Portland City |
| Est. Birth Year | ~1890 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Alice Dyer | Spouse | — | 53 | ~1887 |
| Shirley Dyer | Daughter | — | 16 | ~1924 |
| John Dyer | Head | — | 50 | ~1890 |
Census Appearances
1920
Cumberland, Maine
Other, age 27
Cumberland, Maine · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dyer |
| Given Name | John H |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Paperhanger |
| Industry | Own Account |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Cumberland, Maine
Head, age 40
Cumberland, Maine · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dyer |
| Given Name | John G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 21 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Radio Set | R |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Cumberland-County, Maine
Head, age 50
Cumberland-County, Maine · implied b. ~1890 — 3 household members
| Surname | Dyer |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Portland city |
| 1935 Residence (County) | Cumberland |
| Occupation | Steam Fitter |
| Industry | Steam Installation |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 624 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Dyer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Dyer
Head · 1940 · age 50 · b. ~1890 · Maine
★ 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 — Cumberland-County, Maine
Open full size
1940 US Federal Census — Cumberland-County, Maine
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01476-00634)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | (Potty) Raymond Petty | 7 | Son | — | Maine |
| 42 | Richard Petty | 12 | Nephew | — | Maine |
| 43 | Norman Kendrick | 34 | Head | Meat Cutter | Massachusetts |
| 44 | Priscilla Kendrick | 32 | Wife | — | Massachusetts |
| 45 | Robert S. Kendrick | 13 | Son | — | Massachusetts |
| 46 | Maud S. Woods | 58 | Mother in law | Laborer | Massachusetts |
| 47 | Ralph Raymond | 25 | Head | Proprietor | Maine |
| 48 | Elva D. Raymond | 21 | Wife | — | Maine |
| 49 | Arthur Raymond | 8 | Son | — | Maine |
| 50 | Francis Pursey | 13 | Lodger | — | Maine |
| 51 | William Quielle | 64 | Head | Clerk | Maine |
| 52 | Harriet Quielle | 66 | Wife | — | Connecticut |
| 53 | Duncan Macdonald | 36 | Head | Auto Mechanic | Canada - English |
| 54 | Julia Macdonald | 35 | Wife | — | New York |
| 55 | Duncan Jr. Macdonald | 2 | Son | — | Maine |
| 56 | Leroy Wormell | 26 | Head | Dealer | Maine |
| 57 | Helen Marie Wormell | 24 | Wife | — | Maine |
| 58 | Willard S. Cobb | 76 | Head | Carpenter | Maine |
| 59 | Harold S. Stevens | 37 | Head | Farmer | Maine |
| 60 | Marion Stevens | 34 | Wife | — | Maine |
| 61 | Robert Stevens | 9 | Son | — | Maine |
| 62 | Freeman S. Stevens | 71 | Head | Operator & Owner | England |
| 63 | Annie L. Stevens | 64 | Wife | — | Maine |
| 64 | Carroll Leavitt | 20 | Hired Hand | Farm Hand | Maine |
| 65 | Harry Fitch | 54 | Head | Dealer | Maine |
| 66 | Edna Fitch | 38 | Wife | — | Maine |
| 68 | Hans Christiansen | 63 | Head | Landscape Gardener | Denmark |
| 69 | Anna D. Christiansen | 56 | Wife | — | Denmark |
| 70 | Kasper S. Christiansen | 24 | Son | Laborer | Maine |
| 71 | Soren S. Christiansen | 19 | Son | Printer | Maine |
| 72 | Anna H. Christiansen | 18 | Daughter | — | Maine |
| 74 | William H. Jr. Bradford | 37 | Head | Mechanical Engineer | Maine |
| 75 | Irene E. Bradford | 37 | Wife | — | Vermont |
| 76 | William P. Sr. Bradford | 83 | Father | Manager Store | Maine |
| 77 | Catherine Farrell | 24 | Sister in law | Stenographer | New Hampshire |
| 78 | John H. Dyer THIS PERSON | 50 | Head | Steam Fitter | Maine |
| 79 | Alice B. Dyer | 53 | Wife | — | Maine |
| 80 | Shirley C. Dyer | 16 | Daughter | — | Maine |
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)