JT
John Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this John Thompson across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents John & Leo — first a son (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Thompson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Clerk |
| Industry | Steel Concern |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 266 |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerk |
| Township / Ward | Jersey City City |
| Est. Birth Year | ~1909 |
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 |
|---|---|---|---|---|
| Dorothy Thompson | Daughter | — | 30 | ~1910 |
| Leo Thompson | Head | — | 62 | ~1878 |
| John Thompson | Son | — | 31 | ~1909 |
| Paula Thompson | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Hudson, New …
Son, age 8
Hudson, New Jersey · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | School |
| Industry | St. Michaels |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Son, age 19
Hudson, New Jersey · implied b. ~1911 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Clerk |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 31
Hudson-County, New Jersey · implied b. ~1909 — 4 household members
| Surname | Thompson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City City |
| 1935 Residence (County) | Hudson |
| Occupation | Clerk |
| Industry | Steel Concern |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 266 |
| Highest Grade | H 2 |
| 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 Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Thompson (~0.92 confidence) and father Leo Thompson (~0.92 confidence) and father John Thompson (~0.92 confidence) and mother Paula Thompson (~0.92 confidence) and mother Rose Thompson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Thompson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Leo Thompson
b. ~1878
Source father
● Household
· direct · ~0.92
Father
John Thompson
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Paula Thompson
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Rose Thompson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Thompson
Son · 1940 · age 31 · b. ~1909 · New Jersey
★ You are viewing this record
Sibling
Dorothy Thompson
Sibling · 1940 · age 30
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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02407-00269)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Theodore Bollhardt | 10 | Son | — | New Jersey |
| 42 | Charles Phin | 66 | Head | Salesman | Scotland |
| 43 | Grace Phin | 59 | Wife | — | New Jersey |
| 44 | Charles Strailman | 30 | Head | Bank Clerk | New Jersey |
| 45 | Eleanor Strailman | 25 | Wife | Clerical Work | New Jersey |
| 46 | Mary Strailman | 61 | Mother | — | Austria |
| 47 | Michael Diffley | 43 | Head | — | Ireland |
| 48 | Kathleen Diffley | 35 | Sister | — | Ireland |
| 49 | William Timmons | 52 | Head | Mechanic | New Jersey |
| 50 | Julia Timmons | 42 | Wife | — | New York |
| 51 | Gerard Timmons | 26 | Son | Messenger | New Jersey |
| 52 | Francis Timmons | 21 | Son | Commercial | New Jersey |
| 53 | Irene Timmons | 16 | Daughter | — | New Jersey |
| 54 | Michael Donohue | 57 | Head | Inspector | New Jersey |
| 55 | Irene Donohue | 54 | Wife | — | New Jersey |
| 56 | Michael Donohue | 25 | Son | — | New Jersey |
| 57 | Janet Donohue | 23 | Daughter | Salesgirl | New Jersey |
| 58 | Adam Isenberg | 45 | Head | Proprietor | Russia |
| 59 | Rosalie Isenberg | 39 | Wife | — | Russia |
| 60 | Benjamin Richardson | 51 | Head | Supervisor | New York |
| 61 | Josephine Richardson | 45 | Wife | — | New Jersey |
| 62 | Alonzo Brion | 86 | Head | — | New Jersey |
| 63 | Cora Brion | 80 | Wife | — | New Jersey |
| 64 | Frederick Fedrowitz | 55 | Head | Longshoreman | Russia |
| 65 | Emily Fedrowitz | 51 | Wife | — | Russia |
| 66 | Edward Fedrowitz | 24 | Son | Machinist | New Jersey |
| 67 | Walter Fedrowitz | 20 | Son | Chemist Asst. | New Jersey |
| 68 | Nicholas Terluk | 35 | Head | Supervisor | New Jersey |
| 69 | Eleanor Terluk | 32 | Wife | — | New York |
| 70 | Doris Terluk | 9 | Daughter | — | New Jersey |
| 71 | Eleanor Terluk | 6 | Daughter | — | New Jersey |
| 72 | Barbara Terluk | 4 | Daughter | — | New Jersey |
| 73 | Leo Thompson | 62 | Head | Clerk | Maryland |
| 74 | Paula Thompson | 59 | Wife | — | Maryland |
| 75 | John Thompson THIS PERSON | 31 | Son | Clerk | New Jersey |
| 76 | Dorothy Thompson | 30 | Daughter | Case Worker | New Jersey |
| 77 | William Prendergast | 70 | Head | — | New Jersey |
| 78 | Margaret Prendergast | 70 | Wife | — | New Jersey |
| 79 | Dorothy Prendergast | 33 | Daughter | Stenographer | New Jersey |
| 80 | Francis Prendergast | 14 | Son | — | New Jersey |
Related Census Records
Pedigree Summary
John + 1 sibling
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)