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John Barrett — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this John Barrett across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 7-person household.
Age 60
b. ~1880
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Barrett |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Policeman |
| Industry | City Police Dept. |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 2250 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Policeman |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1880 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Rosemary Barrett | Daughter | — | 18 | ~1922 |
| Helen Barrett | Daughter | — | 28 | ~1912 |
| Marjorie Barrett | Daughter | — | 24 | ~1916 |
| John Barrett | Head | — | 60 | ~1880 |
| William Barrett | Son | — | 20 | ~1920 |
| John Barrett | Son | — | 22 | ~1918 |
| Mary Barrett | Spouse | — | 69 | ~1871 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 40
Allegheny, Pennsylvania · implied b. ~1880 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Maryland |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Allegheny, Pennsylvania
Head, age 50
Allegheny, Pennsylvania · implied b. ~1880 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | John M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 27 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Maryland |
| Occupation | Train Dispatcher |
| Industry | City Police Force |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 75.00 |
| Radio Set | R |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Allegheny-County, Pennsylvania
Head, age 60
Allegheny-County, Pennsylvania · implied b. ~1880 — 7 household members
| Surname | Barrett |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Policeman |
| Industry | City Police Dept. |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 2250 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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.
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This person
Anchor record
John Barrett
Head · 1940 · age 60 · b. ~1880 · Pennsylvania
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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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03664-00865)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Josephine Martine | 42 | Wife | — | Italy |
| 42 | John Martine | 23 | Son | Truck Driver | Pennsylvania |
| 43 | Frank Martine | 20 | Son | Truck Driver | Pennsylvania |
| 44 | Anthony Martine | 26 | Son | Laborer | Pennsylvania |
| 45 | Arcangela Martine | 21 | Daughter | — | Pennsylvania |
| 46 | John Jr. Martine | 12 | Grandson | — | Pennsylvania |
| 47 | John Wytiaz | 62 | Head | Machinist Helper | Austria |
| 48 | Catherine Wytiaz | 56 | Wife | — | Austria |
| 49 | Frank Wytiaz | 32 | Son | Laborer | Pennsylvania |
| 50 | John Wytiaz | 24 | Son | Laborer | Pennsylvania |
| 51 | Charles Wytiaz | 20 | Son | New Worker | Pennsylvania |
| 52 | Mickey Wytiaz | 18 | Son | — | Pennsylvania |
| 53 | Michael Trach | 58 | Head | Carman | Austria |
| 54 | Katherine Trach | 50 | Wife | — | Austria |
| 55 | John Trach | 30 | Son | Laborer | Pennsylvania |
| 56 | Michael Jr. Trach | 26 | Son | Bracemaker | Pennsylvania |
| 57 | Frances Trach | 18 | Daughter | — | Pennsylvania |
| 58 | Constantino D-Alesandro | 41 | Head | Laborer | Italy |
| 59 | Mary D-Alesandro | 39 | Wife | — | Italy |
| 60 | Primo D-Alesandro | 19 | Son | New Worker | Italy |
| 61 | Fred D-Alesandro | 10 | Son | — | Michigan |
| 62 | Nancy D-Alesandro | 7 | Daughter | — | Pennsylvania |
| 63 | James D-Alesandro | 5 | Son | — | Pennsylvania |
| 64 | Rosario Pale | 46 | Head | Laborer | Italy |
| 65 | Annie Pale | 28 | Wife | — | Italy |
| 66 | Caroline Pale | 10 | Daughter | — | Pennsylvania |
| 67 | Rose Pale | 6 | Daughter | — | Pennsylvania |
| 68 | Vincent Pale | 1 | Son | — | Pennsylvania |
| 69 | Guy Ciccone | 53 | Head | Foreman | Italy |
| 70 | Paul Ciccone | 22 | Son | Laborer | Pennsylvania |
| 71 | Carmela Ciccone | 20 | Daughter | Beauty Operator | Pennsylvania |
| 72 | Rose Ciccone | 17 | Daughter | — | Pennsylvania |
| 73 | Nancy Ciccone | 6 | Daughter | — | Pennsylvania |
| 74 | John Barrett THIS PERSON | 60 | Head | Policeman | Maryland |
| 75 | Mary Barrett | 69 | Wife | — | Pennsylvania |
| 76 | Helen Barrett | 28 | Daughter | Stenographer | Pennsylvania |
| 77 | Marjorie Barrett | 24 | Daughter | New Worker | Pennsylvania |
| 78 | John Jr. Barrett | 22 | Son | Laborer | Pennsylvania |
| 79 | William Barrett | 20 | Son | Clerk | Pennsylvania |
| 80 | Rosemary Barrett | 18 | Daughter | — | Pennsylvania |
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)