JF
John Flynn — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this John Flynn across the 1920, 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed), with identified parents Margaret & Edward — first a head (b.~1910), then head of a 7-person household.
Age 30
b. ~1910
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Flynn |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Occupation | truck driver |
| Industry | oil refinery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1811 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Truck Driver |
| Township / Ward | Newark City |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| Eleanor Flynn | Daughter | — | 9 | ~1931 |
| Sophia Flynn | Daughter | — | 8 | ~1932 |
| John Flynn | Head | — | 30 | ~1910 |
| Thomas Flynn | Son | — | 6 | ~1934 |
| John Flynn | Son | — | 7 | ~1933 |
| Robert Flynn | Son | — | 3 | ~1937 |
| Sophia Flynn | Spouse | — | 27 | ~1913 |
Census Appearances
1920
Essex, New …
Son, age 13
Essex, New Jersey · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Son, age 22
Essex, New Jersey · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Age at First Marriage | No |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Head, age 30
Essex-County, New Jersey · implied b. ~1910 — 7 household members
| Surname | Flynn |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark City |
| 1935 Residence (County) | Essex |
| Occupation | truck driver |
| Industry | oil refinery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1811 |
| Highest Grade | No 7 |
| 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 Flynn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Flynn (~0.92 confidence) and father Edward Flynn (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Flynn
b. ~1874
Source mother
● Household
· direct · ~0.92
Father
Edward Flynn
b. ~1875
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Flynn
Head · 1940 · age 30 · b. ~1910 · 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-t0627-02422-00197)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clara Becker | 18 | daughter | Bookkeeper | New Jersey |
| 2 | Bruno G. Becker | 32 | Head | Accountant | New Jersey |
| 3 | Eva O. Becker | 30 | wife | Telephone Oper. | New Jersey |
| 4 | Anthony Wieczorek | 28 | Head | Laborer | New Jersey |
| 5 | Margaret Wieczorek | 22 | wife | — | New Jersey |
| 6 | Mary Wieczorek | 4 | daughter | — | New Jersey |
| 7 | John Miller | 27 | Head | Laborer | Germany |
| 8 | Pauline Miller | 27 | wife | — | Austria |
| 9 | Henry Miller | 9 | son | — | New Jersey |
| 10 | Edward Miller | 5 | son | — | New Jersey |
| 11 | Veronica Miller | 3 | daughter | — | New Jersey |
| 12 | Alexander Miller | 1 | son | — | New Jersey |
| 13 | Louis Watson | 60 | Head | Janitor | New York |
| 14 | John Flynn THIS PERSON | 30 | Head | Truck Driver | New Jersey |
| 15 | Sophia Flynn | 27 | wife | — | New Jersey |
| 16 | Eleanor Flynn | 9 | daughter | — | New Jersey |
| 17 | Sophia Flynn | 8 | daughter | — | New Jersey |
| 18 | John Flynn | 7 | son | — | New Jersey |
| 19 | Thomas Flynn | 6 | son | — | New Jersey |
| 20 | Robert Flynn | 3 | son | — | New Jersey |
| 21 | Joseph Keane | 33 | Head | Truck Driver | New Jersey |
| 22 | Lillian Keane | 27 | wife | — | New Jersey |
| 23 | Lillian Keane | 8 | daughter | — | New Jersey |
| 24 | Violet Keane | 4 | daughter | — | New Jersey |
| 25 | Dolores Keane | 2 | daughter | — | New Jersey |
| 26 | John Mansfield | 37 | Head | Laborer | Mass. |
| 27 | Patricia Mansfield | 31 | wife | — | New Jersey |
| 28 | John Jr. Mansfield | 15 | son | New Worker | New Jersey |
| 29 | Joseph Mansfield | 13 | son | — | New Jersey |
| 30 | Margaret Mansfield | 12 | daughter | — | New Jersey |
| 31 | Joan Mansfield | 7 | daughter | — | New Jersey |
| 32 | William Mansfield | 3 | son | — | New Jersey |
| 33 | Patrick Mansfield | 3 | son | — | New Jersey |
| 34 | Stephen Horniacek | 22 | Head | Laborer | New Jersey |
| 35 | Kathleen Horniacek | 19 | wife | — | New Jersey |
| 36 | Rose Marie Horniacek | 2 | daughter | — | New Jersey |
| 37 | Joan Horniacek | 0 | daughter | — | New Jersey |
| 38 | John Oswin | 28 | Head | Chef | New Jersey |
| 39 | Emma Oswin | 28 | wife | — | New Jersey |
| 40 | John Jr. Oswin | 9 | son | — | New Jersey |
Related Census Records
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)