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Louis Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Louis Williams across the 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 11-person household.
Age 12
b. ~1928
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Williams |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1928 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Helen Williams | Daughter | — | 10 | ~1930 |
| Ida Williams | Daughter | — | ~1940 | |
| Shirley Williams | Daughter | — | 4 | ~1936 |
| Gene Williams | Daughter | — | 6 | ~1934 |
| Delores Williams | Daughter | — | 2 | ~1938 |
| Remus Williams | Head | — | 35 | ~1905 |
| Jennie Wade | Other | — | 52 | ~1888 |
| Russell Williams | Son | — | 8 | ~1932 |
| Remus Williams | Son | — | 1 | ~1939 |
| Louis Williams | Son | — | 12 | ~1928 |
| Evie Williams | Spouse | — | 28 | ~1912 |
Census Appearances
1930
Mercer, New …
Other, age 3
Mercer, New Jersey · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Louis |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Son, age 12
Mercer-County, New Jersey · implied b. ~1928 — 11 household members
| Surname | Williams |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Highest Grade | No 5 |
| 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 Louis Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Louis Williams
Son · 1940 · age 12 · b. ~1928 · New Jersey
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Sibling
Remus Williams
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Williams
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Williams
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Williams
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gene Williams
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delores Williams
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Williams
Sibling · 1940 · age 10
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-t0627-02434-00417)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Geraldine Walker | 2 | Daughter | — | New Jersey |
| 42 | Nathaniel Walker | 1 | Son | — | New Jersey |
| 43 | Joseph Smith | 22 | Lodger | Truck Driver | S Carolina |
| 44 | Marie Smith | 18 | Wife | — | Georgia |
| 45 | Ada Bell Smith | 1 | Daughter | — | New Jersey |
| 46 | Arthur Bethea | 39 | Head | Laborer | S Carolina |
| 47 | Edna Hughes | 25 | Housekeeper | Housekeeper | N Carolina |
| 48 | John Hughes | 7 | Son | — | New Jersey |
| 49 | Dovie Jacobs | 35 | Lodger | — | N Carolina |
| 50 | Keith Jacobs | 17 | Daughter | — | S Carolina |
| 51 | Shirley Jacobs | 15 | Daughter | — | S Carolina |
| 52 | Mattie Pearl Jacobs | 12 | Daughter | — | S Carolina |
| 53 | William Jacobs | 9 | Son | — | New Jersey |
| 54 | Elizabeth Jacobs | 6 | Daughter | — | New Jersey |
| 55 | Remus Williams | 35 | Head | Laborer | New Jersey |
| 56 | Evie Williams | 28 | Wife | — | Georgia |
| 57 | Louis Williams THIS PERSON | 12 | Son | — | New Jersey |
| 58 | Helen Williams | 10 | Daughter | — | New Jersey |
| 59 | Russell Williams | 8 | Son | — | New Jersey |
| 60 | Gene Williams | 6 | Daughter | — | New Jersey |
| 61 | Shirley Williams | 4 | Daughter | — | New Jersey |
| 62 | Delores Williams | 2 | Daughter | — | New Jersey |
| 63 | Remus Jr Williams | 1 | Son | — | New Jersey |
| 64 | Ida Mae Williams | 0 | Daughter | — | New Jersey |
| 65 | Jennie Wade | 52 | Mother-in-law | — | Georgia |
| 66 | Russell Cain | 57 | Head | — | Penna |
| 67 | Virginia Cain | 39 | Wife | — | Virginia |
| 68 | Virginia Turner | 25 | Step-daughter | Gen'L Housework | New York |
| 69 | Dorothy Turner | 18 | Daughter | Gen'L Housework | New York |
| 70 | Viola Turner | 16 | Daughter | — | New Jersey |
| 71 | Shirley Turner | 5 | Daughter | — | New Jersey |
| 72 | Donald Turner | 3 | Son | — | New Jersey |
| 73 | Freda Turner | 2 | Daughter | — | New Jersey |
| 74 | Thomas Jones | 52 | Father | — | New York |
| 75 | Mabel William | 44 | Head | Seamstress | New Jersey |
| 76 | Ruth William | 16 | Daughter | — | New Jersey |
| 77 | Florence William | 14 | Daughter | — | New Jersey |
| 78 | Charles Wells | 26 | Head | — | New Jersey |
| 79 | Hannah Wells | 26 | Wife | — | New Jersey |
| 80 | Earl Wells | 2 | Son | — | New Jersey |
Related Census Records
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)