JB
John Bailey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, New Jersey
Our Model Tree links this John Bailey across the 1920, 1930 and 1940 US Censuses in Middlesex-County, New Jersey (XGBoost, ~Confirmed), with identified parents Barney & Lena — first a head (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, New Jersey |
| Surname | Bailey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Sayreville Borough |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Still Operator |
| Industry | Film Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Still Operator |
| Township / Ward | Sayreville Borough |
| Est. Birth Year | ~1905 |
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 |
|---|---|---|---|---|
| John Bailey | Head | — | 35 | ~1905 |
| Arnold Bailey | Son | — | 8 | ~1932 |
| John Bailey | Son | — | 11 | ~1929 |
| Arthur Bailey | Son | — | 10 | ~1930 |
| Pauline Bailey | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Middlesex, New …
Son, age 15
Middlesex, New Jersey · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bailey |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Watcher |
| Industry | Embroidery Wks |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Middlesex, New …
Head, age 25
Middlesex, New Jersey · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bailey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 23 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Laborer |
| Industry | Brick Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 17.00 |
| Radio Set | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Middlesex-County, New …
Head, age 35
Middlesex-County, New Jersey · implied b. ~1905 — 5 household members
| Surname | Bailey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Sayreville Borough |
| 1935 Residence (County) | Middlesex |
| Occupation | Still Operator |
| Industry | Film Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Bailey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Barney Bailey (~0.92 confidence) and mother Lena Bailey (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Barney Bailey
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Lena Bailey
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Bailey
Head · 1940 · age 35 · b. ~1905 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Middlesex-County, New Jersey
Open full size
1940 US Federal Census — Middlesex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02363-00045)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Benjamin Gromko | 33 | Head | Operator | Penna |
| 2 | Mary Gromko | 30 | Wife | Operator | Penna |
| 3 | Anna Gromko | 54 | Mother | — | Germany |
| 4 | Oliver Gromko | 29 | Head | Clerk | New Jersey |
| 5 | Naomi Gromko | 25 | Daughter | Secretary | New Jersey |
| 6 | Judson Gromko | 18 | Son | — | New Jersey |
| 7 | Alvin Barnatt | 30 | Lodger | Crane Operator | New Jersey |
| 8 | Minerva Barnatt | 22 | Lodger | Laborer | New Jersey |
| 9 | Helen B. Smith | 45 | Wife | — | New York |
| 10 | Stanley Smith | 46 | Head | Laborer | Poland |
| 11 | Donald Smith | 25 | Son | Shipping Clerk | New Jersey |
| 12 | Stanton Smith | 17 | Son | — | New Jersey |
| 13 | Constance Smith | 12 | Daughter | — | New Jersey |
| 14 | Caroline Bailey | 26 | Wife | — | New Jersey |
| 15 | William Bailey | 26 | Head | Tractor Driver | New Jersey |
| 16 | Alfred Bailey | 5 | Son | — | New Jersey |
| 17 | James Bailey | 1 | Son | — | New Jersey |
| 18 | Anna Bailey | 56 | Head | — | New York |
| 19 | Kenneth Bailey | 23 | Son | Laborer | New Jersey |
| 20 | Henrietta Bailey | 33 | Wife | — | New Jersey |
| 21 | John Bailey THIS PERSON | 35 | Head | Still Operator | New Jersey |
| 22 | John Bailey | 11 | Son | — | New Jersey |
| 23 | Arthur Bailey | 10 | Son | — | New Jersey |
| 24 | Arnold Bailey | 8 | Son | — | New Jersey |
| 25 | Pauline Bailey | 55 | Wife | — | New Jersey |
| 26 | Bernard Bailey | 61 | Head | Laborer | New Jersey |
| 27 | George Bailey | 32 | Son | Laborer | New Jersey |
| 28 | Helen Bailey | 21 | Daughter | Examiner | New Jersey |
| 29 | Hazel Bailey | 20 | Daughter | Inspector | New Jersey |
| 30 | Florence Springs | 42 | Wife | — | New Jersey |
| 31 | Frank E. Springs | 43 | Head | Clerk | New Jersey |
| 32 | Ruth Springs | 22 | Daughter | — | New Jersey |
| 33 | Elizabeth Little | 60 | Mother-in-law | — | New Jersey |
| 34 | Robert Little | 67 | Head | Watchman | New Jersey |
| 35 | William Little | 32 | Son | Carpenter | New Jersey |
| 36 | James Little | 30 | Son | New Worker | New Jersey |
| 37 | Edward Little | 26 | Son | New Worker | New Jersey |
| 38 | Oscar Little | 21 | Son | Teller | New Jersey |
| 39 | Catherine Anderson | 51 | Wife | — | New Jersey |
| 40 | Oscar Anderson | 53 | Head | Truck Driver | New York |
Pedigree Summary
John
Gen 1 · 2 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)