RT
Ralph Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this Ralph Thompson across the 1920, 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Thompson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Roselle Park Borough |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | Driver |
| Industry | Express Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1658 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Driver |
| Township / Ward | Roselle Park Borough |
| Est. Birth Year | ~1913 |
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 Ralph | Age | Birth yr |
|---|---|---|---|---|
| Gloria Thompson | Other | — | 3 | ~1937 |
| Laura Thompson | Spouse | — | 54 | ~1886 |
| Ralph Thompson | Son | — | 27 | ~1913 |
| Francis Thompson | Daughter | — | 24 | ~1916 |
| Charles Thompson | Head | — | 51 | ~1889 |
Census Appearances
1920
Essex, New …
Son, age 8
Essex, New Jersey · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ralph |
| 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 |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Union, New …
Son, age 18
Union, New Jersey · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Son, age 27
Union-County, New Jersey · implied b. ~1913 — 5 household members
| Surname | Thompson |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Roselle Park Borough |
| 1935 Residence (County) | Union |
| Occupation | Driver |
| Industry | Express Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1658 |
| Highest Grade | H-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 Ralph Thompson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Charles Thompson (~0.92 confidence) and father Charles Thompson (~0.92 confidence) and mother Laura Thompson (~0.92 confidence) and mother Laura Thompson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Thompson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Charles Thompson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Laura Thompson
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Laura Thompson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Thompson
Son · 1940 · age 27 · b. ~1913 · New Jersey
★ You are viewing this record
Sibling
Francis Thompson
Sibling · 1940 · age 24
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 — Union-County, New Jersey
Open full size
1940 US Federal Census — Union-County, New Jersey
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02389-00173)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Hoffman | 47 | Head | Foreman | New Jersey |
| 2 | Mary Hoffman | 42 | Wife | — | New Jersey |
| 3 | William Hoffman | 20 | Son | Machinist | New Jersey |
| 4 | Dorothy Hoffman | 17 | Daughter | — | New Jersey |
| 5 | William Cooley | 23 | Son-in-law | Mechanic | New Jersey |
| 6 | Frances Cooley | 23 | Daughter | — | New Jersey |
| 8 | Fred Dochtermann | 33 | Head | Frame Man | New Jersey |
| 9 | Adelaide Dochtermann | 30 | Wife | — | New Jersey |
| 10 | Ann Dochtermann | 2 | Daughter | — | New Jersey |
| 11 | Louis Mummo | 72 | Father-in-law | — | Germany |
| 12 | Catherine Mummo | 59 | Mother-in-law | Telephone Operator | New Jersey |
| 13 | Frank Murphy | 46 | Head | Service Man | Ireland |
| 14 | Catherine Murphy | 40 | Wife | — | New York |
| 15 | Mary Murphy | 15 | Daughter | — | Illinois |
| 16 | Patricia Murphy | 12 | Daughter | — | Illinois |
| 17 | Frank Murphy | 10 | Son | — | New Jersey |
| 18 | John Murphy | 8 | Son | — | New Jersey |
| 19 | Gustave Karlson | 39 | Head | Special Clerk | New Jersey |
| 20 | Helen Karlson | 30 | Wife | — | New York |
| 21 | Donald Karlson | 5 | Son | — | New Jersey |
| 22 | Charles Thompson | 51 | Head | Carpenter | New Jersey |
| 23 | Laura Thompson | 54 | Wife | — | New Jersey |
| 24 | Ralph Thompson THIS PERSON | 27 | Son | Driver | New Jersey |
| 25 | Francis Thompson | 24 | Daughter | — | New Jersey |
| 26 | Gloria Thompson | 3 | Granddaughter | — | New Jersey |
| 27 | Louis Romney | 49 | Head | Pipe Fitter | New Jersey |
| 28 | Anna Romney | 49 | Wife | — | New Jersey |
| 29 | Elvia Romney | 22 | Daughter | File Clerk | New Jersey |
| 30 | Mildred Romney | 14 | Daughter | — | New Jersey |
| 31 | Roy Romney | 11 | Son | — | New Jersey |
| 32 | John Boll | 60 | Head | Mechanic | New Jersey |
| 33 | Mary Boll | 60 | Wife | — | New York |
| 34 | Theodore Seitz | 49 | Head | Bench Hand | Austria |
| 35 | Anna C. Seitz | 48 | Wife | Teacher | Czechoslovakia |
| 36 | Theodore Seitz | 19 | Son | Machine Hand | New Jersey |
| 37 | John Ryan | 53 | Head | Machinist | Czechoslovakia |
| 38 | Anna Ryan | 46 | Wife | — | Germany |
| 39 | Margaret Ryan | 22 | Daughter | Comptometer Operator | New Jersey |
| 40 | Charles Ayers | 45 | Head | Under Sheriff | New York |
Pedigree Summary
Ralph + 1 sibling
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)