JT
James Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this James Thomas across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents James & Lottie — first a head (b.~1895), then head of a 7-person household.
Age 45
b. ~1895
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pennsylvania |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Laborer |
| Industry | Sun Oil |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Chester |
| Est. Birth Year | ~1895 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Thomas | Daughter | — | 25 | ~1915 |
| Bernice Thomas | Daughter | — | 19 | ~1921 |
| Theresa Thomas | Daughter | — | 23 | ~1917 |
| James Thomas | Head | — | 45 | ~1895 |
| Armand Thomas | Son | — | 13 | ~1927 |
| Morris Thomas | Son | — | 28 | ~1912 |
| Alice Thomas | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Delaware, Pennsylvania
Son, age 24
Delaware, Pennsylvania · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Cook |
| Industry | Restaurant |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Head, age 35
Delaware, Pennsylvania · implied b. ~1895 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 19 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Confectionery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3800 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Head, age 45
Delaware-County, Pennsylvania · implied b. ~1895 — 7 household members
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pennsylvania |
| 1935 Residence (County) | Delaware |
| Occupation | Laborer |
| Industry | Sun Oil |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 James Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Thomas (~0.92 confidence) and mother Lottie Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Thomas
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Lottie Thomas
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Thomas
Head · 1940 · age 45 · b. ~1895 · Pennsylvania
★ 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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03489-00026)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth Blagman | 14 | daughter | — | Virginia |
| 42 | Ernestine Blagman | 10 | daughter | — | Pennsylvania |
| 43 | Dewetta Blagman | 9 | daughter | — | Pennsylvania |
| 44 | Alberta Blagman | 7 | daughter | — | Pennsylvania |
| 45 | Albert Blagman | 6 | son | — | Pennsylvania |
| 46 | Beatrice Henderson | 7 | Granddaughter | — | Pennsylvania |
| 47 | Florence Blagman | 3 | daughter | — | Pennsylvania |
| 48 | Pole Jackson | 50 | Head | Laborer | Georgia |
| 49 | Beatrice Jackson | 40 | wife | Laundress | Georgia |
| 50 | Nestor Jackson | 20 | son | Dishwasher | Georgia |
| 51 | Ford Carter | 51 | Head | Steel Mill | Virginia |
| 52 | Anna Carter | 47 | wife | — | South Carolina |
| 53 | Marguerite Carter | 9 | daughter | — | Pennsylvania |
| 54 | Eulicous Bagley | 26 | Head | Laborer | Virginia |
| 55 | Bertha Bagley | 25 | wife | — | Pennsylvania |
| 56 | Loretta Bagley | 7 | daughter | — | Pennsylvania |
| 57 | Cora Bagley | 5 | daughter | — | Pennsylvania |
| 58 | Eva Bagley | 4 | daughter | — | Pennsylvania |
| 59 | Freeman Kane | 42 | Head | Steel Mill | Maryland |
| 60 | Edna Kane | 30 | wife | — | Virginia |
| 61 | Fannie Kane | 14 | daughter | — | Pennsylvania |
| 62 | David Miles | 56 | Head | Laborer | Maryland |
| 63 | Mattie Miles | 45 | wife | — | Georgia |
| 64 | Richard Lester | 53 | Head | Laborer | South Carolina |
| 65 | Lileada Lester | 39 | wife | — | South Carolina |
| 66 | Richard Jr. Lester | 10 | son | — | South Carolina |
| 67 | Nathaniel Lester | 8 | son | — | South Carolina |
| 68 | Malvenia Lester | 6 | daughter | — | Pennsylvania |
| 69 | James Raymond | 23 | son | Laborer | Pennsylvania |
| 70 | Frank Raymond | 18 | son | Mess | Pennsylvania |
| 71 | Charles Williams | 44 | Head | Bus Driver | Maryland |
| 72 | Mary Williams | 41 | wife | — | Maryland |
| 73 | Elizabeth Williams | 15 | daughter | — | Pennsylvania |
| 74 | James Thomas THIS PERSON | 45 | Head | Laborer | Pennsylvania |
| 75 | Alice Thomas | 40 | wife | — | Pennsylvania |
| 76 | Morris Thomas | 28 | son | Laborer | Pennsylvania |
| 77 | Evelyn Thomas | 25 | daughter | Maid | Pennsylvania |
| 78 | Theresa Thomas | 23 | daughter | Cook | Pennsylvania |
| 79 | Bernice Thomas | 19 | daughter | New Worker | Pennsylvania |
| 80 | Armand Thomas | 13 | son | — | Pennsylvania |
Related Census Records
Pedigree Summary
James
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)