FT
Francis Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Francis Thompson across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents William & Wm — first a son (b.~1916), then head of a 2-person household.
Age 24
b. ~1916
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Thompson |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | City of Trenton |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Clerk |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 264 |
| Highest Grade | No H 4 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerk |
| Township / Ward | City Of Trenton |
| Est. Birth Year | ~1916 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Anna Thompson | Head | — | 60 | ~1880 |
| Francis Thompson | Son | — | 24 | ~1916 |
Census Appearances
1920
Mercer, New …
Son, age 4
Mercer, New Jersey · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Son, age 14
Mercer, New Jersey · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Son, age 24
Mercer-County, New Jersey · implied b. ~1916 — 2 household members
| Surname | Thompson |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | City of Trenton |
| 1935 Residence (County) | Mercer |
| Occupation | Clerk |
| Industry | Retail Grocery |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 264 |
| Highest Grade | No H 4 |
| 1935 Residence | Same House |
| 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 Francis Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Thompson (~0.92 confidence) and father Wm Thompson (~0.92 confidence) and mother Anna Thompson (~0.92 confidence) and mother Annie Thompson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Thompson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Wm Thompson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Anna Thompson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Annie Thompson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Francis Thompson
Son · 1940 · age 24 · b. ~1916 · 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-t0627-02436-00258)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Glendon Martin | 19 | Son | Machinist Apprentice | New Jersey |
| 42 | Emma Satterthwaite | 77 | Head | — | New Jersey |
| 43 | Frank E Higgins | 55 | Head | Polisher | New Jersey |
| 44 | Mary Higgins | 54 | Wife | — | New Jersey |
| 45 | Frank J Higgins | 25 | Son | Musician | New Jersey |
| 46 | Edward Higgins | 20 | Son | Polisher | New Jersey |
| 47 | Walter Macneal | 35 | Head | Bartender | Penna |
| 48 | Elizabeth Macneal | 34 | Wife | Presser | New Jersey |
| 49 | Walter Jr Macneal | 16 | Son | — | New Jersey |
| 50 | Robert Macneal | 14 | Son | — | New Jersey |
| 51 | Dora O'Brien | 45 | Head | Assembler | New York |
| 52 | Carroll Young | 41 | Brother-in-law | Agent | New Jersey |
| 53 | Anastasia Young | 40 | Sister | Buyer | New York |
| 54 | Donald Young | 17 | Nephew | — | New Jersey |
| 55 | Robert Young | 15 | Nephew | — | New Jersey |
| 56 | Marguerite O'Brien | 21 | Sister | Stenographer | New Jersey |
| 57 | Clinton Frankenfield | 57 | Head | Electrician | Penna |
| 58 | Stella Frankenfield | 60 | Wife | — | Penna |
| 59 | Clinton Jr Frankenfield | 26 | Son | Servant | New Jersey |
| 60 | James Nagy | 53 | Head | Laborer | Hungary |
| 61 | Barbara Nagy | 57 | Wife | — | Hungary |
| 62 | Katherine Nagy | 16 | Daughter | Child Nurse | New Jersey |
| 63 | Eleanor Nagy | 12 | Daughter | — | New Jersey |
| 64 | Geza Darvas | 24 | Son | Salesman | New Jersey |
| 65 | Paul Nagy | 43 | Brother | Laborer | Hungary |
| 66 | Frank Bain | 48 | Head | Compounder | New Jersey |
| 67 | Emma Bain | 44 | Wife | — | New Jersey |
| 68 | Margaret Bain | 19 | Daughter | Housekeeper | New Jersey |
| 69 | Frances Bain | 16 | Daughter | — | New Jersey |
| 70 | Ruth Bain | 15 | Daughter | — | New Jersey |
| 71 | Dorothy Bain | 9 | Daughter | — | New Jersey |
| 72 | Joyce Bain | 5 | Daughter | — | New Jersey |
| 73 | John Segledi | 31 | Head | Printer | New Jersey |
| 74 | Emma Segledi | 31 | Wife | Cigar Maker | New Jersey |
| 75 | Anna Thompson | 60 | Head | — | New Jersey |
| 76 | Francis Thompson THIS PERSON | 24 | Son | Clerk | New Jersey |
| 77 | Arthur Harle | 53 | Head | Timekeeper | New Jersey |
| 78 | Minnie Harle | 53 | Wife | — | New Jersey |
| 79 | Elizabeth Wolverton | 68 | Head | — | New Jersey |
| 80 | R Charles Wolverton | 27 | Son | Instrument Man | New Jersey |
Pedigree Summary
Francis
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)