JB
John Bailey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this John Bailey across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents George & Margaret — first a head (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Bailey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Estimator |
| Industry | Millwork |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2100 |
| Highest Grade | No 5 |
| 1935 Residence | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Estimator |
| Township / Ward | Lawrence Twp |
| Est. Birth Year | ~1908 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Barbara Bailey | Daughter | — | 3 | ~1937 |
| John Bailey | Head | — | 32 | ~1908 |
| John Bailey | Son | — | 7 | ~1933 |
| Marie Bailey | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Mercer, New …
Son, age 10
Mercer, New Jersey · implied b. ~1910 — 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 | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Son, age 20
Mercer, New Jersey · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bailey |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | presser |
| Industry | pottery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Head, age 32
Mercer-County, New Jersey · implied b. ~1908 — 4 household members
| Surname | Bailey |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton |
| 1935 Residence (County) | Mercer |
| Occupation | Estimator |
| Industry | Millwork |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2100 |
| Highest Grade | No 5 |
| 1935 Residence | New Jersey |
| 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 George Bailey (~0.92 confidence) and mother Margaret Bailey (~0.92 confidence) and mother Margaret Bailey (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Bailey
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Margaret Bailey
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Margaret Bailey
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Bailey
Head · 1940 · age 32 · b. ~1908 · 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 — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02357-00259)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Raymond Donnelly | 47 | Head | Carpenter | New Jersey |
| 42 | Anna Donnelly | 55 | Wife | — | New Jersey |
| 43 | Harry D. Horne | 25 | Head | Mechanic | New Jersey |
| 44 | Katherine Horne | 26 | Wife | — | New Jersey |
| 45 | Mary D. Horne | 25 | Daughter | — | New Jersey |
| 46 | Andrew Horne | 4 | Son | — | New Jersey |
| 47 | Katherine Horne | 2 | Daughter | — | New Jersey |
| 48 | Howard Green | 70 | Head | Retired | New Jersey |
| 49 | Ella Green | 64 | Wife | — | New Jersey |
| 50 | Rudolph Ribsam | 45 | Head | Gen Manager | New Jersey |
| 51 | Katryn Ribsam | 33 | Wife | — | New Jersey |
| 52 | Joan Ribsam | 4 | Daughter | — | New Jersey |
| 53 | Joseph Ribsam | 73 | Father | Retired | New Jersey |
| 54 | Louise Ribsam | 72 | Mother | Retired | New Jersey |
| 55 | Ann Cebuoski | 22 | Nurse | Nurse | New Jersey |
| 56 | Ada Jackson | 39 | Cook | Cook | Virginia |
| 57 | Henry G. Risley | 59 | Head | Farmer | New Jersey |
| 58 | Mariam Risley | 49 | Wife | — | New Jersey |
| 59 | Frank Risley | 26 | Son | Truck Driver | New Jersey |
| 60 | Molly Risley | 23 | Daughter | Waitress | New Jersey |
| 61 | Eleanore Risley | 14 | Daughter | — | New Jersey |
| 62 | Harold Risley | 16 | Son | — | New Jersey |
| 63 | Richard Risley | 16 | Son | Farm Labor | New Jersey |
| 64 | Lewis Risley | 3 | Son | — | New Jersey |
| 65 | Enos Allen | 65 | Head | Medical Doctor | New Jersey |
| 66 | Mina Allen | 63 | Wife | — | Wisconsin |
| 67 | John Bailey THIS PERSON | 32 | Head | Estimator | New Jersey |
| 68 | Marie Bailey | 28 | Wife | — | New Jersey |
| 69 | John Jr. Bailey | 7 | Son | — | New Jersey |
| 70 | Barbara Bailey | 3 | Daughter | — | New Jersey |
| 71 | Walter Jarvie | 32 | Head | Mach Helper | New Jersey |
| 72 | Helen Jarvie | 27 | Wife | — | New Jersey |
| 73 | Richard Jarvie | 12 | Son | — | New Jersey |
| 74 | Sandra Jarvie | 7 | Daughter | — | New Jersey |
| 75 | James Jarvie | 6 | Son | — | New Jersey |
| 76 | Philip Jarvie | 2 | Son | — | New Jersey |
| 77 | Scott Jarvie | 0 | Son | — | New Jersey |
| 78 | John Jarvie | 26 | Brother | — | New Jersey |
| 79 | Elizabeth Webb | 83 | Mother-in-law | Retired | New Jersey |
| 80 | Mary Atkins | 70 | Head | Retired | New Jersey |
Related Census Records
Pedigree Summary
John
Gen 1 · 3 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)