MD
Mary Dyer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kennebec-County, Maine
Our Model Tree links this Mary Dyer across the 1920, 1930 and 1940 US Censuses in Kennebec-County, Maine (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 3-person household.
Age 52
b. ~1888
Female
Spouse
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kennebec-County, Maine |
| Surname | Dyer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Vassalboro |
| 1935 Residence (County) | Kennebec |
| Additional Details | |
| Occupation | Housewife |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Housewife |
| Township / Ward | Vassalboro |
| Est. Birth Year | ~1888 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Dyer | Spouse | — | 52 | ~1888 |
| Henry Dyer | Head | — | 52 | ~1888 |
| Harold Dyer | Son | — | 15 | ~1925 |
Census Appearances
1920
Kennebec, Maine
Spouse, age 32
Kennebec, Maine · implied b. ~1888 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dyer |
| Given Name | Maud L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Kennebec, Maine
Spouse, age 42
Kennebec, Maine · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dyer |
| Given Name | Mary R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 17 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Kennebec-County, Maine
Spouse, age 52
Kennebec-County, Maine · implied b. ~1888 — 3 household members
| Surname | Dyer |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Vassalboro |
| 1935 Residence (County) | Kennebec |
| Occupation | Housewife |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 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 Mary Dyer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dyer
Spouse · 1940 · age 52 · b. ~1888 · 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 — Kennebec-County, Maine
Open full size
1940 US Federal Census — Kennebec-County, Maine
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01481-00355)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ray C. Goldsmith | 53 | Head | Farmer | Maine |
| 42 | Florence Goldsmith | 50 | Wife | Housewife | Maine |
| 43 | Lawrence Nash | 20 | Nephew | Farm Help | Maine |
| 44 | Daniel O'Brien | 34 | Hiredman | Farm Help | Eire |
| 45 | Herbert B. Mcdonald | 27 | Head | Insurance | Maine |
| 46 | Beulah Mcdonald | 28 | Wife | Housework | Maine |
| 47 | Elsie Gilbert | 17 | Boarder | — | — |
| 48 | William P. Macdonald | 49 | Head | Postmaster | Maine |
| 49 | Lucy C. Macdonald | 46 | Wife | Housewife | Massachusetts |
| 50 | Ellen A. Macdonald | 16 | Daughter | — | Maine |
| 51 | William Jr. Macdonald | 11 | Son | — | Maine |
| 52 | Moses A. Polley | 62 | Head | Road Work | Maine |
| 53 | Evelyn M. Polley | 52 | Wife | Housewife | Maine |
| 54 | Madeline Polley | 23 | Daughter | Housework | Maine |
| 55 | Adelaide B. Polley | 21 | Daughter | Maid | Maine |
| 56 | Constance A. Polley | 19 | Daughter | — | Maine |
| 57 | Enid L. Polley | 17 | Daughter | — | Maine |
| 58 | Chas G. Jacobs | 72 | Head | Antique Dealer | Maine |
| 59 | Eda Jacobs | 67 | Wife | Antiques | Massachusetts |
| 60 | Mertena Rollins | 79 | Head | Retired Carpenter | Maine |
| 61 | Carl C. Rollins | 49 | Son | Mail Carrier & Express | Maine |
| 62 | Percy Witham | 39 | Head | Farmer | Maine |
| 63 | Florence Witham | 29 | Wife | Housewife | Maine |
| 64 | Walter Witham | 10 | Son | — | Maine |
| 65 | Margaret Dunham | 85 | Head | Retired | Maine |
| 66 | Helen S. Prescot | 62 | Niece | Home Keeper | Maine |
| 67 | Helena Trites | 69 | Head | Home Farmer | Maine |
| 68 | Freeman H. Trites | 80 | Hiredman | Farm Worker | Maine |
| 69 | Percy Trites | 44 | Son | Farm | Maine |
| 70 | Henry Dyer | 52 | Head | Road Worker | Maine |
| 71 | Mary Dyer THIS PERSON | 52 | Wife | Housewife | Maine |
| 72 | Harold Dyer | 15 | Son | — | Maine |
| 73 | George Rollins | 29 | Head | Bus Driver | Maine |
| 74 | Hallie Rollins | 26 | Wife | Housewife | Maine |
| 75 | George Jr. Rollins | 8 | Son | — | Maine |
| 76 | Robert Rollins | 6 | Son | — | Maine |
| 77 | Roger Rollins | 5 | Son | — | Maine |
| 78 | Thyrle Spencer | 32 | Head | Truckman | Maine |
| 79 | Gertrude Spencer | 28 | Wife | Housewife | Maine |
| 80 | Howard Spencer | 8 | Son | — | 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)