MS
Mary Small — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cumberland-County, Maine
Our Model Tree links this Mary Small across the 1920, 1930 and 1940 US Censuses in Cumberland-County, Maine (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 6-person household.
Age 42
b. ~1898
Female
Spouse
Born: Maine
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cumberland-County, Maine |
| Surname | Small |
| Given Name | Mary D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Cumberland |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Portland City |
| Est. Birth Year | ~1898 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ida Libby | Other | — | 58 | ~1882 |
| Eleanor Small | Daughter | — | 16 | ~1924 |
| Mary Small | Spouse | — | 42 | ~1898 |
| Ruby Knapp | Other | — | 27 | ~1913 |
| William Small | Son | — | 21 | ~1919 |
| Ferdinand Small | Head | — | 47 | ~1893 |
Census Appearances
1920
Cumberland, Maine
Spouse, age 23
Cumberland, Maine · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Small |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Cumberland, Maine
Spouse, age 31
Cumberland, Maine · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Small |
| Given Name | Marjorie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 26 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Occupation | Clerk |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Cumberland-County, Maine
Spouse, age 42
Cumberland-County, Maine · implied b. ~1898 — 6 household members
| Surname | Small |
| Given Name | Mary D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maine |
| 1935 Residence (City) | Portland City |
| 1935 Residence (County) | Cumberland |
| Highest Grade | No 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 Small across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Small
Spouse · 1940 · age 42 · b. ~1898 · 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 — Cumberland-County, Maine
Open full size
1940 US Federal Census — Cumberland-County, Maine
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01475-00945)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mamie Knowlton | 25 | Head | Waitress | Maine |
| 2 | Noffette | Moffette Knowlton | 7 | Daughter | — | Maine |
| 3 | Robert Knowlton | 2 | Son | — | Maine |
| 4 | Richard Knowlton | 1 | Son | — | Maine |
| 5 | Ronald Knowlton | 0 | Son | — | Maine |
| 6 | Onusia | Onisia Knowlton | 44 | Mother | — | Maine |
| 7 | Nellie Knowlton | 20 | Sister | Waitress | Maine |
| 8 | Stuart P. Knowlton | 22 | Brother | Driver | Maine |
| 9 | Louise Knowlton | 23 | Sister in law | Press Operator | Maine |
| 10 | Adolar P. Powvirsy | Powvirey | 62 | Head | Barber | Connecticut |
| 11 | Dora M. Powvirsy | Powvirey | 63 | Wife | — | Maine |
| 12 | Frank H. Powvirsy | Powvirey | 38 | Son | Meat Cutter | Maine |
| 13 | Katherine E. Powvirsy | Powvirey | 29 | Daughter in law | Waitress | Massachusetts |
| 14 | James F. Powvirsy | Powvirey | 9 | Grandson | — | Maine |
| 15 | Alexander C. Kirsting | 62 | Lodger | — | New York |
| 16 | Ferdinand M. Small | 47 | Head | Brakeman | Maine |
| 17 | Mary D. Small THIS PERSON | 42 | Wife | — | Maine |
| 18 | William A. St. Small | 21 | Son | — | Maine |
| 19 | Eleanor M. Small | 16 | Daughter | — | Maine |
| 20 | Ruby D. Knapp | 27 | Lodger | Stenographer | Maine |
| 21 | Ida C. Libby | 58 | Lodger | Seamstress | Canada-English |
| 22 | Dorothy M. Libby | 23 | Head | Sales Clerk | Maine |
| 23 | Margaret M. Libby | 60 | Mother | — | Canada-English |
| 24 | George W. Young | 44 | Head | Executive | Maine |
| 25 | Velma J. Young | 47 | Wife | — | Maine |
| 26 | Edward W. Starley | Stanley | 38 | Lodger | Baggage Master | Maine |
| 27 | Dorothy Starley | Stanley | 38 | Lodger | Waitress | Maine |
| 28 | Arthur W. Woods | 52 | Head | Traveling Salesman | Maine |
| 29 | Alvera B. Woods | 41 | Wife | Assistant Manager | Maine |
| 30 | Edith Leslie | 32 | Head | Registered Nurse | Canada-English |
| 31 | Minnie Richards | 34 | Head | Cleaner | Canada-English |
| 32 | Wilhelmina Downs | 42 | Head | Waitress | Maine |
| 33 | Robert A. Macdonald | 24 | Lodger | Salesman | Maine |
| 34 | Christina A. Miller | 34 | Lodger | — | Canada-English |
| 35 | Albert Hodsdon | Hodson | 67 | Head | Plumber | Maine |
| 36 | Carrie R. Hodsdon | Hodson | 48 | Wife | Wife | Maine |
| 37 | Richard L. St. Hodsdon | Hodson | 46 | Nephew | — | Maine |
| 38 | Beverly A. Hodsdon | Hodson | 17 | Niece | — | Maine |
| 39 | David Z. Hodsdon | Hodson | 10 | Nephew | — | 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)