MW
Marion Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Marion Williams across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents Daniel & Annie — first a daughter (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Williams |
| Given Name | Marion |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | artist |
| Industry | own studio |
| Class of Worker | OA |
| Hours Worked | 18 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Artist |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marion | Age | Birth yr |
|---|---|---|---|---|
| Marion Williams | Daughter | — | 28 | ~1912 |
| Daniel Williams | Head | — | 42 | ~1898 |
| Mary Williams | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Mercer, New …
Daughter, age 7
Mercer, New Jersey · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Marion |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Daughter, age 18
Mercer, New Jersey · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Marion |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Daughter, age 28
Mercer-County, New Jersey · implied b. ~1912 — 3 household members
| Surname | Williams |
| Given Name | Marion |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Occupation | artist |
| Industry | own studio |
| Class of Worker | OA |
| Hours Worked | 18 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 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 Marion Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Williams (~0.92 confidence) and mother Annie Williams (~0.92 confidence) and mother Mary Williams (~0.92 confidence) and father Daniel Williams (~0.92 confidence) and mother Mary Williams (~0.60 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.86
Father
Daniel Williams
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Annie Williams
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mary Williams
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Daniel Williams
b. ~1898
Source father
● Household
· direct · ~0.92
Mother
Mary Williams
b. ~1900
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Marion Williams
Daughter · 1940 · age 28 · b. ~1912 · 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-t0627-02435-00252)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Slowinski | 34 | son | Packer | New Jersey |
| 42 | Samuel Slowinski | 23 | son | Labor | New Jersey |
| 43 | Anthony Slowinski | 20 | son | Labor | New Jersey |
| 44 | Irene Slowinski | 16 | daughter | — | New Jersey |
| 45 | Stanley Slawinski | 35 | head | Labor | New Jersey |
| 46 | Emma Slawinski | 30 | wife | — | New Jersey |
| 47 | Stanley Jr. Slawinski | 1 | son | — | New Jersey |
| 48 | Steve Sekeres | 23 | head | Labor | New Jersey |
| 49 | Mary Sekeres | 25 | daughter | — | New Jersey |
| 50 | Martin Kwiatkowski | 51 | head | Millhand | Poland |
| 51 | Mary Kwiatkowski | 42 | wife | — | Poland |
| 52 | Edward Kwiatkowski | 13 | son | — | New Jersey |
| 53 | Theodore Kwiatkowski | 8 | son | — | New Jersey |
| 54 | Daniel Williams | 42 | head | Watchman | England |
| 55 | Mary Williams | 40 | wife | — | England |
| 56 | Marion Williams THIS PERSON | 28 | daughter | Artist | New Jersey |
| 57 | Thomas W. Sr. Cox | 44 | head | Kiln Fireman | Carolina |
| 58 | Grace Cox | 31 | wife | Secretary | Massachusetts |
| 59 | Thomas Jr. Cox | 10 | son | — | Pennsylvania |
| 60 | Margaret Cox | 6 | daughter | — | New Jersey |
| 61 | Percy Lindley | 42 | head | Caster | England |
| 62 | Clara Lindley | 40 | wife | Decorator | New Jersey |
| 63 | John J. Keanley | 51 | head | Conductor | New Jersey |
| 64 | Margaret Keanley | 46 | wife | — | New Jersey |
| 65 | Lester Keanley | 17 | son | — | New Jersey |
| 66 | Elizabeth Krasniewski | 46 | head | Labor | Poland |
| 67 | Charles Krasniewski | 26 | son | Truck Driver | New Jersey |
| 68 | Alois Krasniewski | 19 | son | — | New Jersey |
| 69 | Helen Krasniewski | 13 | daughter | — | New Jersey |
| 70 | John Jakulski | 43 | head | — | Poland |
| 71 | Helen Jakulski | 37 | wife | Pressman | N. J. |
| 72 | Henry Jakulski | 16 | son | — | N. J. |
| 73 | Stanley Morawski | 49 | head | Labor | Poland |
| 74 | Lottie Morawski | 44 | wife | Cleaner | Poland |
| 75 | Anthony Morawski | 24 | son | Kiln Hand | New Jersey |
| 76 | John Morawski | 21 | son | Hose Room | New Jersey |
| 77 | Frank Morawski | 19 | son | — | New Jersey |
| 78 | Stanley Alexandrowicz | 47 | head | Labor | Poland |
| 79 | Hedwig Alexandrowicz | 45 | wife | — | Poland |
| 80 | Stella Alexandrowicz | 23 | daughter | Packing | New York |
Pedigree Summary
Marion
Gen 1 · 5 parents
~0.86
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)