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John Barrett — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Barrett across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Barbara & John — first a son (b.~1913), then head of a 8-person household.
Age 27
b. ~1913
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Barrett |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Hopper Melter |
| Industry | Foundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Hopper Melter |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1913 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Elsie Barrett | Daughter | — | 31 | ~1909 |
| Barbara Barrett | Head | — | 63 | ~1877 |
| William Farnum | Other | — | 3 | ~1937 |
| Fred Barrett | Son | — | 21 | ~1919 |
| Walter Barrett | Son | — | 22 | ~1918 |
| William Barrett | Son | — | 35 | ~1905 |
| Henry Barrett | Son | — | 40 | ~1900 |
| John Barrett | Son | — | 27 | ~1913 |
Census Appearances
1920
Essex, Massachusetts
Son, age 4
Essex, Massachusetts · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Canada |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 15
Essex, Massachusetts · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Mailer |
| Industry | Shoe Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 27
Essex-County, Massachusetts · implied b. ~1913 — 8 household members
| Surname | Barrett |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Occupation | Hopper Melter |
| Industry | Foundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | No 8 |
| 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 John Barrett across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Barbara Barrett (~0.92 confidence) and father John Barrett (~0.92 confidence) and mother Grace Barrett (~0.92 confidence) and mother Rita Barrett (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Barbara Barrett
b. ~1877
Source mother
● Household
· direct · ~0.92
Father
John Barrett
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Grace Barrett
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Rita Barrett
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Barrett
Son · 1940 · age 27 · b. ~1913 · Massachusetts
★ You are viewing this record
Sibling
William Barrett
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Barrett
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Barrett
Sibling · 1940 · age 40
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Barrett
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsie Barrett
Sibling · 1940 · age 31
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01584-00436)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank D Morrison | 37 | Head | Carpenter | Massachusetts |
| 2 | Alice Morrison | 50 | Wife | Saleslady | Massachusetts |
| 3 | Gordon Morrison | 23 | Son | Press Room | Massachusetts |
| 4 | Daniel Chaloux | 66 | Head | Mill Finish | Scotland |
| 5 | Mary Chaloux | 64 | Wife | — | Scotland |
| 6 | Mark D Bradbury | 25 | Head | Gentel | Massachusetts |
| 7 | Rita B Howling | 24 | Sister | Store Clerk | Massachusetts |
| 8 | Frank Barlowe | 65 | Head | Watchman | England |
| 9 | Gertrude Barlowe | 63 | Wife | — | England |
| 10 | Woodrow Hammond | 23 | Head | Fisherman | Massachusetts |
| 11 | Winifred Hammond | 21 | Wife | — | Massachusetts |
| 12 | Woodrow Jr Hammond | 0 | Son | — | Massachusetts |
| 13 | Adrien Boudreau | 40 | Head | Cardroom | Canada French |
| 14 | Marie Ann Boudreau | 34 | Wife | Spinner | Massachusetts |
| 15 | George Hatch | 50 | Head | Carpenter | Massachusetts |
| 16 | Mary C Hatch | 56 | Wife | Mender | Massachusetts |
| 17 | Roxanna Hatch | 72 | Mother | — | Canada French |
| 18 | Raymond Hatch | 26 | Brother | Laborer Machine Shop | Massachusetts |
| 19 | Joseph Duchesne | 52 | Head | Hoisting Engineer | Massachusetts |
| 20 | Juliet Duchesne | 40 | Wife | — | Massachusetts |
| 21 | Thomas Duchesne | 25 | Son | Fireman | Massachusetts |
| 22 | Gerald Duchesne | 25 | Son | Office Clerk | Massachusetts |
| 23 | Rose Marie Duchesne | 5 | Daughter | — | Massachusetts |
| 24 | Barbara Barrett | 63 | Head | — | New York |
| 25 | Henry Barrett | 40 | Son | Molder | Massachusetts |
| 26 | William Barrett | 35 | Son | Molder Helper | Massachusetts |
| 27 | Elsie Barrett | 31 | Daughter | Web Drawer | Massachusetts |
| 28 | John Barrett THIS PERSON | 27 | Son | Hopper Melter | Massachusetts |
| 29 | Walter Barrett | 22 | Son | Beamer Helper | Massachusetts |
| 30 | Fred Barrett | 21 | Son | Crane Operator | Massachusetts |
| 31 | William Farnum | 3 | Grandson | — | Massachusetts |
| 32 | John Proetz | 84 | Head | — | Germany |
| 33 | Elizabeth Proetz | 49 | Daughter | Mending | Massachusetts |
| 34 | William Proetz | 42 | Son | Collar Shop | Massachusetts |
| 35 | Francis Jordan | 47 | Daughter | — | Massachusetts |
| 36 | Eileen Jordan | 9 | Daughter | — | Massachusetts |
| 37 | Alphonse Arsenault | 44 | Head | Watchman | Canada French |
| 38 | Alice Arsenault | 44 | Wife | Twisting | Canada French |
| 39 | Rachel Arsenault | 15 | Daughter | — | Massachusetts |
| 40 | Lorraine Arsenault | 12 | Daughter | — | Massachusetts |
Pedigree Summary
John + 5 siblings
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 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)