MT
Marie Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Marie Thomas across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents Albert & Samuel — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Thomas |
| Given Name | Marie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Lawrence Twp. |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Maintenance |
| Industry | Highway Dept |
| Class of Worker | PW |
| Hours Worked | 5 |
| Income (1939) | 1260 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Maintenance |
| Township / Ward | Lawrence Twp |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Albert Thomas | Head | — | 46 | ~1894 |
| Marie Thomas | Son | — | 21 | ~1919 |
| Leonard Thomas | Son | — | 17 | ~1923 |
| Charles Thomas | Son | — | 6 | ~1934 |
| Alfred Thomas | Son | — | 10 | ~1930 |
Census Appearances
1920
Mercer, New …
Son, age 1
Mercer, New Jersey · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Morris |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Son, age 11
Mercer, New Jersey · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Maurice |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Son, age 21
Mercer-County, New Jersey · implied b. ~1919 — 5 household members
| Surname | Thomas |
| Given Name | Marie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Lawrence Twp. |
| 1935 Residence (County) | Mercer |
| Occupation | Maintenance |
| Industry | Highway Dept |
| Class of Worker | PW |
| Hours Worked | 5 |
| Income (1939) | 1260 |
| Highest Grade | H 4 |
| 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 Marie Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Thomas (~0.92 confidence) and father Samuel Thomas (~0.92 confidence) and father Samuel Thomas (~0.92 confidence) and mother Alberta Thomas (~0.92 confidence) and mother Alberta Thomas (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Thomas
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Samuel Thomas
b. ~1897
Source father
● Household
· direct · ~0.92
Father
Samuel Thomas
b. ~1898
Source father
● Household
· direct · ~0.92
Mother
Alberta Thomas
b. ~1899
Source mother
● Household
· direct · ~0.92
Mother
Alberta Thomas
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Marie Thomas
Son · 1940 · age 21 · b. ~1919 · New Jersey
★ You are viewing this record
Sibling
Alfred Thomas
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Thomas
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Thomas
Sibling · 1940 · age 17
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-t0627-02357-00306)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edmund Zehner | 64 | Head | Maintenance | Germany |
| 2 | Pearl Heck | 31 | Daughter | — | New Jersey |
| 3 | John Heck | 38 | Son-in-law | Milk Dealer | New Jersey |
| 4 | Nancy Eli. Heck | 4 | Daughter | — | New Jersey |
| 5 | Virginia Allen Heck | 1 | Daughter | — | New Jersey |
| 6 | Sarah J. Allen | 75 | Head | — | England |
| 7 | Gertrude Wintilly | 74 | Sister | — | England |
| 8 | Clara Stille | 68 | Head | — | England |
| 9 | May Stille | 67 | Sister | — | England |
| 10 | Edgar G. Wiarts | 47 | Head | County Clerk | New Jersey |
| 11 | Louise Wiarts | 41 | Wife | — | New Jersey |
| 12 | Strace Nation Parker | 57 | Head | Medical Doctor | New Jersey |
| 13 | Edna Florence Parker | 52 | Wife | — | Penna |
| 14 | H. Nation Jr. Parker | 25 | Son | — | New Jersey |
| 15 | Paul Parker | 22 | Son | — | New Jersey |
| 16 | Elizabeth Ann Parker | 19 | Daughter | — | New Jersey |
| 17 | John B. Thornton | 54 | Head | Blacksmith | Delaware |
| 18 | Amelia Thornton | 45 | Wife | — | Delaware |
| 19 | Joseph Krasnowsky | 54 | Head | Farmer | Czecho-Slovakia |
| 20 | Marie Krasnowsky | 47 | Wife | — | Czecho-Slovakia |
| 21 | Joseph Krasnowsky | 23 | Son | Painter | New Jersey |
| 22 | Mary Krasnowsky | 19 | Daughter | — | New Jersey |
| 23 | Amelia Krasnowsky | 14 | Daughter | — | New Jersey |
| 24 | Frank Krasnowsky | 12 | Son | — | New Jersey |
| 25 | Rudolph Krasnowsky | 10 | Son | — | New Jersey |
| 26 | John Bingham | 43 | Head | Truck Driver | Virginia |
| 27 | Charie Bingham | 40 | Wife | — | Virginia |
| 28 | Mildred Bingham | 15 | Daughter | — | N. J. |
| 29 | John Jr. Bingham | 13 | Son | — | N. J. |
| 30 | Irene Bingham | 11 | Daughter | — | N. J. |
| 31 | Emma Bingham | 9 | Daughter | — | N. J. |
| 32 | Albert Bingham | 6 | Son | — | N. J. |
| 33 | Wallie Bingham | 4 | Daughter | — | N. J. |
| 34 | Albert Thomas | 46 | Head | — | Georgia |
| 35 | Marie Thomas THIS PERSON | 21 | Son | Maintenance | New Jersey |
| 36 | Leonard Thomas | 17 | Son | — | New Jersey |
| 37 | Alfred Thomas | 10 | Son | — | New Jersey |
| 38 | Charles Robert Thomas | 6 | Son | — | New Jersey |
| 39 | William Falwell | 74 | Head | — | Virginia |
| 40 | Patsy Falwell | 61 | Wife | — | Virginia |
Pedigree Summary
Marie + 3 siblings
Gen 1 · 5 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)