MP
Mary Perry — 1920 US Census Record
Model Tree available1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Perry across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a daughter (b.~1903), then head of a 3-person household.
Age 17
b. ~1903
Female
Daughter
Born: Portugal
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Perry |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Portugal |
| Year of Immigration | 1905 |
| Naturalization Status | Alien |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Additional Details | |
| Occupation | Stitcher |
| Industry | Rubber Shop |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | Portuguese |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
| Occupation | Stitcher |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1903 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Perry | Daughter | — | 17 | ~1903 |
| Joseph Perry | Head | — | 53 | ~1867 |
| Joseph Perry | Son | — | 13 | ~1907 |
Census Appearances
1910
Plymouth, Massachusetts
Daughter, age 7
Plymouth, Massachusetts · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Portugal |
| Year of Immigration | 1904 |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
1920
Middlesex, Massachusetts
Daughter, age 17
Middlesex, Massachusetts · implied b. ~1903 — 3 household members
| Surname | Perry |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Portugal |
| Year of Immigration | 1905 |
| Naturalization Status | Alien |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Occupation | Stitcher |
| Industry | Rubber Shop |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | Portuguese |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
1930
Newport, Rhode …
Daughter, age 27
Newport, Rhode Island · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | Maria |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Portugal |
| Naturalization Status | Alien |
| Year of Immigration | 1904 |
| Father's Birthplace | Portugal |
| Mother's Birthplace | Portugal |
| Can Read/Write | Yes |
| Mother Tongue | Portuguese |
| Birth Country | Portugal |
| Birthplace (normalized) | portugal |
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 (1910, 1920 and 1930) in 3 locations, using XGBoost record linkage. Identified parents: father Joseph Perry (~0.92 confidence) and father Joseph Perry (~0.92 confidence) and mother Julia Perry (~0.92 confidence) and father Frank Perry (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Perry
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Joseph Perry
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Julia Perry
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Frank Perry
b. ~1885
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Perry
Daughter · 1920 · age 17 · b. ~1903 · Massachusetts
★ You are viewing this record
Sibling
Joseph Perry
Sibling · 1920 · age 13
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
1920 US Federal Census — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu707unit:0677)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Philip Frank | 50 | Head | — | Portugal |
| 52 | Mary Frank | 33 | Daughter | Netting Worker | Portugal |
| 53 | John Frank | 40 | Son in Law | Laborer | Portugal |
| 54 | Manuel Frank | 11 | Son | — | Portugal |
| 55 | John Sousa | 34 | Head | Fisherman | Portugal |
| 56 | Clara Sousa | 34 | Wife | — | Portugal |
| 57 | Silvana Sousa | 12 | Daughter | — | Portugal |
| 58 | Mary Sousa | 2 | Daughter | — | Massachusetts |
| 59 | Joseph Perry | 53 | Head | Rubber Worker | Portugal |
| 60 | Mary Perry THIS PERSON | 17 | Daughter | Stitcher | Portugal |
| 61 | Joseph Perry | 13 | Son | — | Massachusetts |
| 62 | William J Donovan | 37 | Head | Chauffeur | Massachusetts |
| 63 | Ellen M Donovan | 38 | Wife | — | New Brunswick |
| 64 | Margaret Donovan | 16 | Daughter | Fancy Packer | Massachusetts |
| 65 | Arthur Donovan | 12 | Son | — | Massachusetts |
| 66 | Elena Donovan | 9 | Daughter | — | Massachusetts |
| 67 | Florence Donovan | 6 | Daughter | — | Massachusetts |
| 68 | William J Donovan | 4 | Son | — | Massachusetts |
| 69 | Joseph F Sweeney | 40 | Brother in Law | Machinist | Pennsylvania |
| 70 | Austin F Lundregan | 34 | Head | Laborer | Ireland |
| 71 | Elizabeth Lundregan | 27 | Wife | — | Ireland |
| 72 | James Lundregan | 6 | Son | — | Massachusetts |
| 73 | Austin Lundregan | 4 | Son | — | Massachusetts |
| 74 | Elizabeth Lundregan | 3 | Daughter | — | Massachusetts |
| 75 | Charles Medeiros | 40 | Head | — | Portugal |
| 76 | Joseph Medeiros | 22 | Son | Laborer | Massachusetts |
| 77 | Mary Medeiros | 19 | Daughter | Factory Worker | Massachusetts |
| 78 | John Medeiros | 22 | Son in Law | Laborer | Portugal |
| 79 | Frank Bargardo | 52 | Head | Wood Finisher | Portugal |
| 80 | Mary Bargardo | 35 | Wife | — | Portugal |
| 81 | Manuel Bargardo | 7 | Son | — | Massachusetts |
| 82 | Frank Bargardo | 2 | Son | — | Massachusetts |
| 83 | Victoria Cidade | 55 | Mother in Law | — | Portugal |
| 84 | Tony Cidade | 22 | Brother in Law | Machine Operator | Portugal |
| 85 | Ray Cidade | 24 | Sister in Law | Factory Worker | Portugal |
| 86 | Agusta Cidade | 20 | Brother in Law | Machine Operator | Portugal |
| 87 | John J Tady | 46 | Head | Gas Maker | Ireland |
| 88 | Joseph Tady | 16 | Son | Laborer | Massachusetts |
| 89 | Michael Tady | 14 | Son | — | Massachusetts |
| 90 | Leo Tady | 10 | Son | — | Massachusetts |
| 91 | Louis King | 44 | Head | Rubber Maker | Russian Poland |
| 92 | Helen King | 37 | Wife | — | Russian Poland |
| 93 | Francis King | 11 | Son | — | Massachusetts |
| 94 | John King | 9 | Son | — | Russian Poland |
| 95 | Antony King | 13 | Son | — | Massachusetts |
| 96 | Helen King | 7 | Daughter | — | Massachusetts |
| 97 | Walter King | 5 | Son | — | Massachusetts |
| 98 | Edith Curry | 45 | Head | — | Massachusetts |
| 99 | Harold M Curry | 21 | Son | Machinist | Massachusetts |
| 100 | Michael Lundregan | 70 | Head | Laborer | Ireland |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)