WF
William French — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this William French across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents William & Johanna — first a head (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | French |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Stockman |
| Industry | Rubber Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1276 |
| Highest Grade | C-2 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Stockman |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1911 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Joan French | Daughter | — | 5 | ~1935 |
| William French | Head | — | 29 | ~1911 |
| Violet Cohee | Other | — | 68 | ~1872 |
| Ruth French | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Mercer, New …
Son, age 9
Mercer, New Jersey · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | French |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Son, age 19
Mercer, New Jersey · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | French |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Occupation | Assist Secretary |
| Industry | Rubber Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Head, age 29
Mercer-County, New Jersey · implied b. ~1911 — 4 household members
| Surname | French |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Occupation | Stockman |
| Industry | Rubber Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1276 |
| Highest Grade | C-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 William French across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William French (~0.92 confidence) and mother Johanna French (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William French
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Johanna French
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William French
Head · 1940 · age 29 · b. ~1911 · 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-t0627-02356-00372)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Sandy | 14 | Cousin | — | New Jersey |
| 42 | John Mccaw | 40 | Head | Clerk | New Jersey |
| 43 | Anna Mccaw | 34 | Wife | — | New Jersey |
| 44 | Donald Mccaw | 5 | Son | — | New Jersey |
| 45 | Joseph Schuler | 52 | Head | Clerk-Junior | Pennsylvania |
| 46 | Elizabeth Schuler | 45 | Wife | — | Pennsylvania |
| 47 | Elizabeth G. Schuler | 22 | Daughter | Hairdresser | New Jersey |
| 48 | Joseph J. Schuler | 20 | Son | New Worker | New Jersey |
| 49 | Paul Schuler | 17 | Son | — | New Jersey |
| 50 | Francis Schuler | 14 | Son | — | New Jersey |
| 51 | Dolores Schuler | 9 | Daughter | — | New Jersey |
| 52 | Leonard Sweda | 32 | Head | Foreman | Pennsylvania |
| 53 | Elizabeth Sweda | 23 | Wife | — | New Jersey |
| 54 | Margaret Tyrell | 57 | In-law | Inspector | New Jersey |
| 55 | Elizabeth Mustop | 60 | Aunt | Inspector | New Jersey |
| 56 | Charles H. Saams | 48 | Head | Salesman | New Jersey |
| 57 | Lois R. Saams | 40 | Wife | Bookkeeper | New Jersey |
| 58 | George Saams | 21 | Son | — | New Jersey |
| 59 | Susan S. Painter | 67 | Mother-in-law | — | New Jersey |
| 60 | Richard Smith | 25 | Head | Caster | New Jersey |
| 61 | Vivian Smith | 20 | Wife | — | New Jersey |
| 62 | Judith Ann Smith | 0 | Daughter | — | New Jersey |
| 63 | Maud Minder | 48 | In-law | — | Pennsylvania |
| 64 | Davis Minder | 23 | Nephew | — | New Jersey |
| 65 | John Trabert | 42 | Head | Driver | New Jersey |
| 66 | Martha Trabert | 31 | Wife | — | New Jersey |
| 67 | Louis Trabert | 76 | Father | — | New Jersey |
| 68 | Katherine Trabert | 78 | Mother | — | Germany |
| 69 | Albert H. Simpson | 37 | Head | Senior Clerk | New York |
| 70 | Marguerite E. Simpson | 36 | Wife | — | West India |
| 71 | Donald A. Simpson | 1 | Son | — | New Jersey |
| 72 | John G. Simpson | 0 | Son | — | New Jersey |
| 73 | Ellen G. Mirand | 55 | Mother-in-law | Dressmaker | West India |
| 74 | William French THIS PERSON | 29 | Head | Stockman | New Jersey |
| 75 | Ruth French | 28 | Wife | — | New Jersey |
| 76 | Joan French | 5 | Daughter | — | New Jersey |
| 77 | Violet Cohee | 68 | Mother-in-law | — | Louisiana |
| 78 | Stanley Cox | 32 | Head | Photo Engraver | New Jersey |
| 79 | Bessie Cox | 59 | Mother | — | Pennsylvania |
| 80 | Marilyn D. Cox | 4 | Daughter | — | New Jersey |
Pedigree Summary
William
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)