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John Byrne — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this John Byrne across the 1920, 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed), with identified parents Delia & John — first a head (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Byrne |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Orange |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | Airplane Machinist |
| Industry | Aviation |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 326 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Airplane Machinist |
| Township / Ward | Orange |
| Est. Birth Year | ~1915 |
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 |
|---|---|---|---|---|
| Eleanor Byrne | Spouse | — | 22 | ~1918 |
| John Byrne | Son | — | 4 | ~1936 |
| John Byrne | Head | — | 25 | ~1915 |
| Eileen Byrne | Daughter | — | 1 | ~1939 |
Census Appearances
1920
Essex, New …
Son, age 5
Essex, New Jersey · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Byrne |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Son, age 15
Essex, New Jersey · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Byrne |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Head, age 25
Essex-County, New Jersey · implied b. ~1915 — 4 household members
| Surname | Byrne |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Orange |
| 1935 Residence (County) | Essex |
| Occupation | Airplane Machinist |
| Industry | Aviation |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 326 |
| Highest Grade | Hs 4 |
| 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 Byrne across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Delia Byrne (~0.92 confidence) and father John Byrne (~0.92 confidence) and father John Byrne (~0.92 confidence) and mother Julia Byrne (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Delia Byrne
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
John Byrne
b. ~1886
Source father
● Household
· direct · ~0.92
Father
John Byrne
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Julia Byrne
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Byrne
Head · 1940 · age 25 · b. ~1915 · 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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02339-00695)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carl Schilling | 43 | Head | Painter | Germany |
| 42 | Elizabeth Schilling | 39 | Wife | — | New Jersey |
| 43 | Herbert Schilling | 21 | Son | Assembling | New Jersey |
| 44 | Emila Serino | 36 | Head | Truck Driver | New Jersey |
| 45 | Anna Serino | 35 | Wife | — | New Jersey |
| 46 | Louisa Serino | 15 | Daughter | — | New Jersey |
| 47 | Victoria Bonkoski | 75 | Head | — | Poland |
| 48 | Frank Bonkoski | 40 | Son | Laborer | New Jersey |
| 49 | Peter Bonkoski | 37 | Son | Carpenter | New Jersey |
| 50 | Frank Duffy | 39 | Lodger | Laborer | New Jersey |
| 51 | Charles Carpenter | 24 | Head | Assembler | New Jersey |
| 52 | Adelaide Carpenter | 26 | Wife | — | New Jersey |
| 53 | Eugene Hassia | 57 | Head | Tailor | Poland |
| 54 | Anna Hassia | 56 | Wife | — | Poland |
| 55 | James Hassia | 25 | Son | Laborer | New Jersey |
| 56 | Walter Hassia | 24 | Son | Tailoring | New Jersey |
| 57 | Matthew Negri | 23 | Head | Laborer | New Jersey |
| 58 | Anne Negri | 23 | Wife | — | New Jersey |
| 59 | Gerald Negri | 0 | Son | — | New Jersey |
| 60 | John Serino | 47 | Head | Laborer | New Jersey |
| 61 | Agnes Serino | 39 | Wife | — | New Jersey |
| 62 | Muriel Serino | 13 | Daughter | — | New Jersey |
| 63 | Mildred Serino | 2 | Daughter | — | New Jersey |
| 64 | John Byrne THIS PERSON | 25 | Head | Airplane Machinist | New Jersey |
| 65 | Eleanor Byrne | 22 | Wife | — | New Jersey |
| 66 | John Byrne | 4 | Son | — | New Jersey |
| 67 | Eileen Byrne | 1 | Daughter | — | New Jersey |
| 68 | James Mervine | 25 | Head | Acid Man | Pennsylvania |
| 69 | Isabelle Mervine | 25 | Wife | — | Pennsylvania |
| 70 | William Mervine | 5 | Son | — | New Jersey |
| 71 | Thomas Mervine | 3 | Son | — | New Jersey |
| 72 | James Mervine | 1 | Son | — | New Jersey |
| 73 | William Blair | 33 | Head | Assembler | Massachusetts |
| 74 | Frances Blair | 25 | Wife | — | New Jersey |
| 75 | Barbara Blair | 5 | Daughter | — | New Jersey |
| 76 | William Blair | 3 | Son | — | New Jersey |
| 77 | Andrew J. Lind | 42 | Head | Sub. Letter Carrier | New Jersey |
| 78 | Anna Lind | 38 | Wife | — | New Jersey |
| 79 | Robert A. Lind | 14 | Son | — | New Jersey |
| 80 | Anthony Zalusky | 49 | Brother-in-law | Letter Carrier | Pennsylvania |
Related Census Records
Pedigree Summary
John
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)