JB
John Barrett — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this John Barrett across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents William & Patrick — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Barrett |
| Given Name | John J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | messenger |
| Industry | savings bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Messenger |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1919 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Winifred Barrett | Daughter | — | 18 | ~1922 |
| Patrick Barrett | Head | — | 53 | ~1887 |
| James Barrett | Son | — | 24 | ~1916 |
| John Barrett | Son | — | 21 | ~1919 |
| Winifred Barrett | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Wayne, Michigan
Son, age
Wayne, Michigan · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 10
Wayne, Michigan · implied b. ~1920 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 21
Wayne-County, Michigan · implied b. ~1919 — 5 household members
| Surname | Barrett |
| Given Name | John J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | messenger |
| Industry | savings bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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: father William Barrett (~0.92 confidence) and father Patrick Barrett (~0.92 confidence) and father William Barrett (~0.92 confidence) and mother Margaret Barrett (~0.92 confidence) and mother Winifred Barrett (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Barrett
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Patrick Barrett
b. ~1887
Source father
● Household
· direct · ~0.92
Father
William Barrett
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Margaret Barrett
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Winifred Barrett
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Barrett
Son · 1940 · age 21 · b. ~1919 · Michigan
★ You are viewing this record
Sibling
James Barrett
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Winifred Barrett
Sibling · 1940 · age 18
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01884-00442)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annette Hoffman | 1 | daughter | — | Michigan |
| 2 | Levella Thebold | 36 | servant | Servant | Minnesota |
| 3 | Frances Keller | 48 | head | — | Hungary |
| 4 | Rosemary Keller | 9 | daughter | — | Michigan |
| 5 | Betty Keller | 5 | daughter | — | Michigan |
| 7 | John D. Cosgrove | 34 | head | Clerk | Michigan |
| 8 | Mary E. Cosgrove | 65 | wife | — | Michigan |
| 9 | Augustus Pierce | 34 | brother-in-law | Service Man | Poland |
| 10 | Catherine Pierce | 32 | sister | — | Michigan |
| 11 | Mary E. Pierce | 5 | niece | — | Michigan |
| 12 | Augustus Jr. Pierce | 0 | nephew | — | Michigan |
| 13 | Catherine Mcdonald | 18 | cousin | — | Michigan |
| 14 | Joseph Latuszek | 16 | lodger | — | Michigan |
| 15 | Patricia English | 5 | lodger | — | Michigan |
| 16 | T. Edward O'Connor | 44 | head | Salesman | Michigan |
| 17 | Clara M. O'Connor | 43 | wife | — | Canada English |
| 18 | Marilyn A. O'Connor | 14 | daughter | — | Michigan |
| 19 | Edward J. Melchior | 52 | head | Foreman | Ohio |
| 20 | Edna L. Melchior | 43 | wife | — | Michigan |
| 21 | Fred F. Charboneau | 48 | head | Postal Carrier | Michigan |
| 22 | Lorraine Charboneau | 38 | wife | — | Canada English |
| 23 | Merle Charboneau | 7 | son | — | Michigan |
| 24 | Patrick S. Barrett | 53 | head | Maintainer | Irish Free State |
| 25 | Winifred Barrett | 50 | wife | — | Pennsylvania |
| 26 | James P. Barrett | 24 | son | Clerk | Pennsylvania |
| 27 | John J. Barrett THIS PERSON | 21 | son | Messenger | Michigan |
| 28 | Winifred A. Barrett | 18 | daughter | — | Michigan |
| 29 | Frank M. Burg | 31 | head | District Salesmanager | Colorado |
| 30 | Margaret Burg | 31 | wife | — | Colorado |
| 31 | Merle Lahr | 40 | head | Maintainer | Michigan |
| 32 | Elizabeth Lahr | 43 | wife | — | Wisconsin |
| 33 | Gilbert Lahr | 17 | son | — | Michigan |
| 34 | John Little | 37 | head | Advertiser | Canada French |
| 35 | Fay Little | 34 | wife | Secretary | Canada English |
| 36 | Jules S. Boca | 53 | head | Linesman | Belgium |
| 37 | Grace A. Boca | 43 | wife | — | Pennsylvania |
| 38 | August H. Burkeheiser | 51 | head | Salesman | Missouri |
| 39 | Maud C. Burkeheiser | 51 | wife | — | Missouri |
| 40 | Harold W. Lyons | 40 | head | Credit Manager | Massachusetts |
Pedigree Summary
John + 2 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)