MP
Mary Perry — 1940 US Census Record
Model Tree available1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this Mary Perry across the 1920, 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed), with identified parents George & Lillian — first a daughter (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Perry |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Wareham Town |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Occupation | Chamber maid |
| Industry | Rooming house |
| Class of Worker | PW |
| Hours Worked | 31 |
| Income (1939) | 120 |
| Highest Grade | Hs 5 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chambermaid |
| Township / Ward | Wareham Town |
| Est. Birth Year | ~1920 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Carroll Bumpus | Daughter | — | 21 | ~1919 |
| Mary Perry | Daughter | — | 20 | ~1920 |
| George Perry | Head | — | 52 | ~1888 |
| Charles Bumpus | Other | — | 25 | ~1915 |
| Sarah Angell | Other | — | 42 | ~1898 |
Census Appearances
1920
Plymouth, Massachusetts
Daughter, age
Plymouth, Massachusetts · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Plymouth, Massachusetts
Daughter, age 10
Plymouth, Massachusetts · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Plymouth-County, Massachusetts
Daughter, age 20
Plymouth-County, Massachusetts · implied b. ~1920 — 5 household members
| Surname | Perry |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Wareham Town |
| 1935 Residence (County) | Plymouth |
| Occupation | Chamber maid |
| Industry | Rooming house |
| Class of Worker | PW |
| Hours Worked | 31 |
| Income (1939) | 120 |
| Highest Grade | Hs 5 |
| 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 Mary Perry across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Perry (~0.92 confidence) and mother Lillian Perry (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Perry
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Lillian Perry
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Perry
Daughter · 1940 · age 20 · b. ~1920 · Massachusetts
★ You are viewing this record
Sibling
Carroll Bumpus
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Plymouth-County, Massachusetts
Open full size
1940 US Federal Census — Plymouth-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01640-00411)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Steve Fernandes | 59 | Head | Bog Laborer | Portugal |
| 2 | James Fernandes | 56 | Brother | Bog Laborer | Portugal |
| 3 | Martin Fernandes | 58 | Brother | Bog Laborer | Portugal |
| 4 | Albert Fernandes | 51 | Head | Bog Laborer | Portugal |
| 5 | Hannie Fernandes | 42 | Wife | Weeder-Picker | Portugal |
| 6 | George Fernandes | 23 | Son | Bog Laborer | Massachusetts |
| 7 | Adeline Fernandes | 21 | Daughter | Weeder-Picker | Massachusetts |
| 8 | Julio Fernandes | 18 | Son | Bog Laborer | Massachusetts |
| 9 | Mary Fernandes | 17 | Daughter | Weeder-Picker | Massachusetts |
| 10 | Gerald Fernandes | 14 | Son | — | Massachusetts |
| 11 | Louise Fernandes | 12 | Daughter | — | Massachusetts |
| 12 | Genis Fernandes | 6 | Son | — | Massachusetts |
| 13 | Henry Fernandes | 5 | Son | — | Massachusetts |
| 14 | Charles Blackwell | 59 | Head | Caretaker | Massachusetts |
| 15 | Florinda Garcia | 74 | Head | Operator | Portugal |
| 16 | Henry Cardozza | 24 | Head | Common Laborer | Massachusetts |
| 17 | Eva Cardozza | 24 | Wife | Char Woman | Rhode Island |
| 18 | Gerald H. Cardozza | 2 | Son | — | Massachusetts |
| 19 | Ronald Cardozza | 1 | Son | — | Massachusetts |
| 20 | Hilson Cardozza | 0 | Son | — | Massachusetts |
| 21 | Mary Britto | 36 | Head | Screen-Picker | Massachusetts |
| 22 | Joseph Britto | 2 | Son | — | Rhode Island |
| 23 | Anthony Britto | 12 | Son | — | Rhode Island |
| 24 | Gualdino Monterio | 22 | Head | Common Laborer | Massachusetts |
| 25 | Rose Monterio | 18 | Wife | — | Rhode Island |
| 26 | George H. Perry | 52 | Head | Carpenter | Massachusetts |
| 27 | Mary E. Perry THIS PERSON | 20 | Daughter | Chamber Maid | Massachusetts |
| 28 | Sarah E. Angell | 42 | Housekeeper | — | Massachusetts |
| 29 | Charles W. Bumpus | 25 | Housekeeper | Kitchen Helper | Massachusetts |
| 30 | Carroll Bumpus | 21 | Daughter | Helper | Massachusetts |
| 31 | Manuel Gomes | 52 | Head | Farm Hand | Portugal |
| 32 | Adeline Gomes | 8 | Daughter | — | Massachusetts |
| 33 | Anne Gomes | 7 | Daughter | — | Massachusetts |
| 34 | Mary Pina | 65 | Head | Operator | Portugal |
| 35 | August Pina | 28 | Son | Bog Laborer | Portugal |
| 36 | Victor Pina | 23 | Son | Bog Laborer | Portugal |
| 37 | Charles Fernandes | 42 | Head | Bog Laborer | Portugal |
| 38 | Miltada Fernandes | 38 | Wife | Planter-Picker | Massachusetts |
| 39 | Mary Fernandes | 18 | Daughter | Planter-Picker | Massachusetts |
| 40 | Domingo Fernandes | 15 | Son | — | Massachusetts |
Related Census Records
Pedigree Summary
Mary + 1 sibling
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)