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Mary Barrett — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Barrett across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1902), then head of a 6-person household.
Age 38
b. ~1902
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Barrett |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | School Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 2000 |
| Highest Grade | C 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Teacher |
| Township / Ward | Boston |
| Est. Birth Year | ~1902 |
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 |
|---|---|---|---|---|
| Mary Barrett | Daughter | — | 38 | ~1902 |
| Winifred Barrett | Daughter | — | 34 | ~1906 |
| John Barrett | Head | — | 71 | ~1869 |
| John Barrett | Son | — | 39 | ~1901 |
| Joseph Barrett | Son | — | 30 | ~1910 |
| Catherine Barrett | Spouse | — | 66 | ~1874 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 15
Suffolk, Massachusetts · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Daughter, age 26
Suffolk, Massachusetts · implied b. ~1904 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Teacher |
| Industry | School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 38
Suffolk-County, Massachusetts · implied b. ~1902 — 6 household members
| Surname | Barrett |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | School Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 2000 |
| Highest Grade | C 4 |
| 1935 Residence | Same House |
| 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 Barrett across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Barrett (~0.92 confidence) and father John Barrett (~0.92 confidence) and mother Katherine Barrett (~0.92 confidence) and mother Catherine Barrett (~0.92 confidence) and mother Mary Barrett (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Barrett
b. ~1868
Source father
● Household
· direct · ~0.92
Father
John Barrett
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Katherine Barrett
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Catherine Barrett
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Mary Barrett
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Barrett
Daughter · 1940 · age 38 · b. ~1902 · Massachusetts
★ You are viewing this record
Sibling
Winifred Barrett
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Barrett
Sibling · 1940 · age 39
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Barrett
Sibling · 1940 · age 30
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01675-00673)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George L. Brogan | 29 | Son | Life Guard | Massachusetts |
| 42 | John G. Foley | 63 | Head | Watchman | Eire |
| 43 | Redmond J. Foley | 33 | Son | Clerk | Massachusetts |
| 44 | Mary E. Foley | 29 | Daughter | Office Clerk | Massachusetts |
| 45 | Francis V. Foley | 26 | Son | Salesman | Massachusetts |
| 46 | Ellen F. Goodwin | 58 | Head | — | Massachusetts |
| 47 | H. Raymond Goodwin | 33 | Son | — | Massachusetts |
| 48 | Paul J. Goodwin | 31 | Son | Clerk | Massachusetts |
| 49 | Ellen F. Goodwin | 23 | Daughter | Secretary | Massachusetts |
| 50 | Louise G. Goodwin | 31 | Daughter-in-law | — | Massachusetts |
| 51 | Robert H. Goodwin | 10 | Grandson | — | Massachusetts |
| 52 | Frances E. Waugh | 44 | Head | — | Massachusetts |
| 53 | Edith L. Waugh | 39 | Sister | — | Massachusetts |
| 54 | Helen R. Waugh | 38 | Sister | Shipping Clerk | Massachusetts |
| 55 | Josephine A. Kelley | 34 | Sister | Shipping Clerk | Massachusetts |
| 56 | Isabel R. Kelley | 18 | Niece | — | Massachusetts |
| 57 | Mary Clark | 76 | Head | — | Eire |
| 58 | John D. Clark | 45 | Son | Gardner | Massachusetts |
| 59 | Annie T. Clark | 39 | Daughter | Manicurist | Massachusetts |
| 60 | Albert G. Clark | 34 | Son | Greens Keeper | Massachusetts |
| 61 | Joseph W. Clark | 32 | Son | Garage Man | Massachusetts |
| 62 | Mary Hunter | 72 | Head | — | Scotland |
| 63 | James E. Hunter | 41 | Son | Janitor | Massachusetts |
| 64 | Daniel C. Dupree | 45 | Son-in-law | Bar Man | New York |
| 65 | Agnes Dupree | 46 | Daughter | — | Massachusetts |
| 66 | Nellie Meagher | 33 | Lodger | Asst. Supervisor | Massachusetts |
| 67 | Pearl Meagher | 18 | Lodger | Typist | Massachusetts |
| 68 | Margaret M. Dailly | 58 | Lodger | Housekeeper | Scotland |
| 69 | John R. Barrett | 71 | Head | — | Massachusetts |
| 70 | Catherine E. Barrett | 66 | Wife | — | Massachusetts |
| 71 | John F. Barrett | 39 | Son | Pres. Feeder | Massachusetts |
| 72 | Mary A. Barrett THIS PERSON | 38 | Daughter | School Teacher | Massachusetts |
| 73 | Winifred Barrett | 34 | Daughter | Tutor | Massachusetts |
| 74 | Joseph F. Barrett | 30 | Son | Glass Jobs | Massachusetts |
| 75 | Leo Selin | 50 | Head | Manager | Germany |
| 76 | Barbara M. Selin | 44 | Wife | — | Massachusetts |
| 77 | Benoit | 48 | Head | Accountant | Massachusetts |
| 78 | Magdalene D. Benoit | 31 | Wife | — | Canada English |
| 79 | Frederick Benoit | 1 | Son | — | Massachusetts |
| 80 | Clemens A. Martins | 45 | Head | Shipper | Massachusetts |
Pedigree Summary
Mary + 3 siblings
Gen 1 · 5 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)