MD
Mary Douglas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sagadahoc-County, Maine
Our Model Tree links this Mary Douglas across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Sagadahoc-County, Maine (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 4-person household.
Age 63
b. ~1877
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sagadahoc-County, Maine |
| Surname | Douglas |
| Given Name | Mary M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Bath |
| 1935 Residence (County) | Sagadahoc |
| Naturalization Status | Naturalized |
| Additional Details | |
| Industry | H |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Bath |
| Est. Birth Year | ~1877 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Milton Douglas | Head | — | 66 | ~1874 |
| Alice Douglas | Other | — | 74 | ~1866 |
| Herbert Douglas | Son | — | 40 | ~1900 |
| Mary Douglas | Spouse | — | 63 | ~1877 |
Census Appearances
1900
Sagadahoc, Maine
Other, age 24
Sagadahoc, Maine · implied b. ~1876 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglass |
| Given Name | Mary M. |
| Relationship to Head | Daughter-in-law |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Scotland |
| Birth Month | July |
| Birth Year | 1876 |
| Year of Immigration | 1891 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1910
Sagadahoc, Maine
Spouse, age 33
Sagadahoc, Maine · implied b. ~1877 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | Mary M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Scotland |
| Years Married | 11 |
| Children Born | 2 |
| Children Living | 2 |
| Year of Immigration | 1893 |
| Father's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1920
Sagadahoc, Maine
Spouse, age 43
Sagadahoc, Maine · implied b. ~1877 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | Mary M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scottish |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Sagadahoc, Maine
Other, age 53
Sagadahoc, Maine · implied b. ~1877 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Douglas |
| Given Name | Mary M. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1891 |
| Age at First Marriage | 22 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | Gaelic |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Sagadahoc-County, Maine
Spouse, age 63
Sagadahoc-County, Maine · implied b. ~1877 — 4 household members
| Surname | Douglas |
| Given Name | Mary M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Bath |
| 1935 Residence (County) | Sagadahoc |
| Naturalization Status | Naturalized |
| Industry | H |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| 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 Mary Douglas across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Douglas
Spouse · 1940 · age 63 · b. ~1877 · Maine
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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 — Sagadahoc-County, Maine
Open full size
1940 US Federal Census — Sagadahoc-County, Maine
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01490-00277)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carleton Rice | 56 | Head | Toll Collector | Vermont |
| 42 | Clara J. Rice | 54 | Wife | — | New York |
| 43 | Milton R. Douglas | 66 | Head | — | Maine |
| 44 | Mary M. Douglas THIS PERSON | 63 | Wife | — | Scotland |
| 45 | Herbert L. Douglas | 40 | Son | Photographer | Maine |
| 46 | Alice May Douglas | 74 | Sister | — | Maine |
| 47 | Howard W. Baxter | 56 | Head | Ship Rigger | Maine |
| 48 | Pearl E. Baxter | 53 | Wife | — | Canada English |
| 49 | Howard B. Baxter | 19 | Son | Ship Rigger | Maine |
| 50 | Virginia L. Rice | 72 | Head | — | Canada English |
| 51 | Frank L. Duley | 73 | Head | — | Maine |
| 52 | Susan P. Duley | 74 | Wife | — | Maine |
| 53 | Fredrick H. Pratt | 65 | Head | Store Keeper | Maine |
| 54 | Adrianna B. Pratt | 49 | Wife | — | Maine |
| 55 | Haviland C. Chaney | 21 | Lodger | Ship Fitter Helper | Maine |
| 56 | Ruth E. Green | 11 | Granddaughter | — | Maine |
| 57 | Lester H. Crooker | 45 | Head | Machinist | Maine |
| 58 | Martha S. Crooker | 43 | Wife | — | Maine |
| 59 | Lawrence Crooker | 32 | Brother | Electrician | Maine |
| 60 | Doris L. Crooker | 20 | Daughter | Telephone Operator | Maine |
| 61 | Kenneth C. Crooker | 15 | Son | — | Maine |
| 62 | Mary A. Temple | 70 | Head | — | Maine |
| 63 | Carl S. Temple | 44 | Son | Salesman | Maine |
| 64 | Herman Baxter | 29 | Head | Pipe Coverer | Maine |
| 65 | Adelyn Baxter | 27 | Wife | — | Maine |
| 66 | Richard Baxter | 7 | Son | — | Maine |
| 67 | Nancy Baxter | 6 | Daughter | — | Maine |
| 68 | Albert H. Mcmann | 32 | Head | Sales Manager | Maine |
| 69 | Carolyn Mcmann | 25 | Wife | Operating Room Supervisor | Maine |
| 70 | Eva F. Dane | 21 | Lodger | Nurse | Maine |
| 71 | John N. Norton | 33 | Head | Boiler Assembler | Maine |
| 72 | Mildred D. Norton | 31 | Wife | — | Scotland |
| 73 | Patricia Norton | 15 | Daughter | — | Maine |
| 74 | William C. Scott | 62 | Head | Clerk | Maine |
| 75 | Alice D. Scott | 60 | Wife | — | England |
| 76 | Lawrence C. Sprague | 29 | Head | Counter | Maine |
| 77 | Cleora M. Sprague | 25 | Wife | Clerk | Maine |
| 78 | Jesse Haman | 27 | Head | Welder | Maine |
| 79 | Sara L. Haman | 25 | Wife | — | New York |
| 80 | Richard A. Haman | 4 | 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)