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Carl Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Carl Williams across the 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Williams |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1925 |
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 Carl | Age | Birth yr |
|---|---|---|---|---|
| Carl Williams | Son | — | 15 | ~1925 |
| Barbara Williams | Daughter | — | 3 | ~1937 |
| Raymond Williams | Son | — | 18 | ~1922 |
| Thomas Williams | Son | — | 17 | ~1923 |
| Edward Williams | Head | — | 38 | ~1902 |
| Robert Williams | Son | — | 7 | ~1933 |
| Theresa Williams | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Mercer, New …
Son, age 5
Mercer, New Jersey · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Carl H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| 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 |
1940
Mercer-County, New …
Son, age 15
Mercer-County, New Jersey · implied b. ~1925 — 7 household members
| Surname | Williams |
| Given Name | Carl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Highest Grade | No 8 |
| 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 Carl Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Carl Williams
Son · 1940 · age 15 · b. ~1925 · New Jersey
★ You are viewing this record
Sibling
Barbara Williams
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Williams
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Williams
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Williams
Sibling · 1940 · age 7
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 — 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-t0627-02435-00225)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank W. Baggaley | 11 | Son | — | New Jersey |
| 2 | Ruth B. Baggaley | 9 | Daughter | — | New Jersey |
| 3 | Sahara Silvers | 69 | Head | — | New Jersey |
| 4 | Helen Silvers | 41 | Daughter | Telephone Operator | New Jersey |
| 5 | Edward Williams | 38 | Head | Maintenance Man | New Jersey |
| 6 | Theresa Williams | 39 | Wife | — | New Jersey |
| 7 | Raymond Williams | 18 | Son | Auto Mechanic | New Jersey |
| 8 | Thomas Williams | 17 | Son | New Worker | New Jersey |
| 9 | Carl Williams THIS PERSON | 15 | Son | — | New Jersey |
| 10 | Robert Williams | 7 | Son | — | New Jersey |
| 11 | Barbara Williams | 3 | Daughter | — | New Jersey |
| 12 | John Ellis | 44 | Head | Attendant | New Jersey |
| 13 | Emma Ellis | 38 | Wife | Cotton Warp Cleaner | New Jersey |
| 14 | Robert Ellis | 12 | Son | — | New Jersey |
| 15 | — | None | — | — | — |
| 16 | George Mcclenahan | 39 | Head | Rubber Maker | New Jersey |
| 17 | Beatrice Mcclenahan | 36 | Wife | Dress Finisher | England |
| 18 | George Mcclenahan | 17 | Son | — | New Jersey |
| 19 | Walter Mcclenahan | 13 | Son | — | New Jersey |
| 20 | Charles Bannister | 33 | Head | Hose Man | England |
| 21 | Cecilia Bannister | 28 | Wife | — | New Jersey |
| 22 | Richard Bannister | 0 | Infant | — | New Jersey |
| 23 | James Ziegler | 45 | Head | Proprietor | New Jersey |
| 24 | Irene Ziegler | 44 | Wife | — | New Jersey |
| 25 | Walter Ziegler | 19 | Son | — | New Jersey |
| 26 | Dorothy Ziegler | 18 | Daughter | — | New Jersey |
| 27 | Janice Ziegler | 9 | Daughter | — | New Jersey |
| 28 | Paul Hartmann | 71 | Head | China Decorator | Hungary |
| 29 | Mary Hartmann | 68 | Wife | — | Hungary |
| 30 | Edward Peters | 30 | Head | Chauffeur | New Jersey |
| 31 | Sahara Peters | 26 | Wife | — | New Jersey |
| 32 | Charles E. Peters | 0 | Son | — | New Jersey |
| 33 | Cora Peters | 65 | Mother | — | New Jersey |
| 34 | Rita Mcquire | 19 | Sister-in-law | Sales Clerk | New Jersey |
| 35 | Eli Wilson | 46 | Head | Truck Driver | New Jersey |
| 36 | Elva Wilson | 42 | Wife | — | Pennsylvania |
| 37 | Marian Wilson | 23 | Daughter | Electrical Tester | New Jersey |
| 38 | Harold Wilson | 20 | Son | New Worker | New Jersey |
| 39 | Evelyn Wilson | 16 | Daughter | — | New Jersey |
| 40 | Jean Wilson | 15 | Daughter | — | 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)