JF
John Francis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, New Jersey
Our Model Tree links this John Francis across the 1930 and 1940 US Censuses in Middlesex-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, New Jersey |
| Surname | Francis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Madison Township |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Laborer |
| Industry | Terra Cotta |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | H 3 |
| 1935 Residence | Same house |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Laborer |
| Township / Ward | Madison Township |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| Carl Francis | Head | — | 58 | ~1882 |
| Joyce Francis | Daughter | — | 14 | ~1926 |
| Charles Francis | Son | — | 26 | ~1914 |
| Elsie Francis | Daughter | — | 17 | ~1923 |
| John Francis | Son | — | 20 | ~1920 |
| Mary Francis | Spouse | — | 52 | ~1888 |
| Joseph Francis | Son | — | 25 | ~1915 |
Census Appearances
1930
Middlesex, New …
Son, age 10
Middlesex, New Jersey · implied b. ~1920 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Francis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Middlesex-County, New …
Son, age 20
Middlesex-County, New Jersey · implied b. ~1920 — 7 household members
| Surname | Francis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Madison Township |
| 1935 Residence (County) | Middlesex |
| Occupation | Laborer |
| Industry | Terra Cotta |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 500 |
| Highest Grade | H 3 |
| 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 John Francis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Francis
Son · 1940 · age 20 · b. ~1920 · New Jersey
★ You are viewing this record
Sibling
Charles Francis
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joyce Francis
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elsie Francis
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Francis
Sibling · 1940 · age 25
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 — Middlesex-County, New Jersey
Open full size
1940 US Federal Census — Middlesex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02359-00005)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Einar Boyan | 60 | Head | Waitress | Denmark |
| 2 | Alvera Boyan | 30 | Daughter | Waitress | New Jersey |
| 3 | Joseph Emmons | 61 | Head | Watchman | New Jersey |
| 4 | Mary Emmons | 54 | Wife | — | New Jersey |
| 5 | John Smith | 20 | Boarder | Cook | New Jersey |
| 6 | Joseph Polanski | 41 | Head | Mechanic | Poland |
| 7 | Anita Polanski | 37 | Wife | — | New Jersey |
| 8 | Edward Polanski | 16 | Son | — | New Jersey |
| 9 | Martin Malizewski | 80 | Head | — | Germany |
| 10 | Henrietta Malizewski | 70 | Wife | — | Germany |
| 11 | Martin Santinwald | 20 | Grandson | Farmer | New Jersey |
| 12 | John Ott | 60 | Head | Farmer | New Jersey |
| 13 | Mary Ott | 52 | Wife | — | New Jersey |
| 14 | Nathan Ott | 29 | Son | Farmer | New Jersey |
| 15 | Raymond Ott | 27 | Son | Machinist | New Jersey |
| 16 | Francis Ott | 26 | Son | Farmer | New Jersey |
| 17 | Angeline Ott | 24 | Daughter | Waitress | New Jersey |
| 18 | Agnes Ott | 22 | Daughter | Laborer | New Jersey |
| 19 | Dora Ott | 20 | Daughter | — | New Jersey |
| 20 | Russell Ott | 18 | Son | Laborer | New Jersey |
| 21 | Leon Ott | 17 | Son | — | New Jersey |
| 22 | Howard Ott | 12 | Son | — | New Jersey |
| 23 | Clarly W. Decker | 64 | Head | Farmer | New Jersey |
| 24 | John Decker | 53 | Partner | Marine Engineer | New Jersey |
| 25 | Frank Fowler | 63 | Head | Laborer | New Jersey |
| 26 | Helen Nickerson | 51 | Housekeeper | Housekeeper | New Jersey |
| 27 | Harry Scott | 13 | Grandson | — | New Jersey |
| 28 | Mary A. Patuchina | 32 | Wife | — | New Jersey |
| 29 | Mitchell Patuchina | 44 | Head | Laborer | Russia |
| 30 | Gertrude Patuchina | 14 | Daughter | — | New Jersey |
| 31 | Mitchell Jr. Patuchina | 5 | Son | — | New Jersey |
| 32 | Carl Francis | 58 | Head | Laborer | Hungary |
| 33 | Mary Francis | 52 | Wife | — | Hungary |
| 34 | Charles Francis | 26 | Son | Laborer | New Jersey |
| 35 | Joseph Francis | 25 | Son | Laborer | New Jersey |
| 36 | John Francis THIS PERSON | 20 | Son | Laborer | New Jersey |
| 37 | Elsie Francis | 17 | Daughter | Office Worker | New Jersey |
| 38 | Joyce Francis | 14 | Daughter | — | New Jersey |
| 39 | William Campbell | 80 | Head | — | New Jersey |
| 40 | Julia Campbell | 78 | Wife | — | New Jersey |
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)