JT
James Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Summit-County, Ohio
Our Model Tree links this James Thomas across the 1920, 1930 and 1940 US Censuses in Summit-County, Ohio (XGBoost, ~Confirmed), with identified parents Thomas & Margaret — first a son (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Summit-County, Ohio |
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Akron |
| 1935 Residence (County) | Summit |
| Additional Details | |
| Industry | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Akron |
| Est. Birth Year | ~1907 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Margaret Thomas | Head | — | 71 | ~1869 |
| Ernest Thomas | Son | — | 46 | ~1894 |
| James Thomas | Son | — | 33 | ~1907 |
Census Appearances
1920
Summit, Ohio
Son, age 13
Summit, Ohio · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | James H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Summit, Ohio
Son, age 23
Summit, Ohio · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Laborer |
| Industry | Sulphur Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Summit-County, Ohio
Son, age 33
Summit-County, Ohio · implied b. ~1907 — 3 household members
| Surname | Thomas |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Akron |
| 1935 Residence (County) | Summit |
| Industry | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Thomas Thomas (~0.92 confidence) and mother Margaret Thomas (~0.92 confidence) and mother Margaret Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Thomas
b. ~1853
Source father
● Household
· direct · ~0.92
Mother
Margaret Thomas
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Margaret Thomas
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Thomas
Son · 1940 · age 33 · b. ~1907 · Ohio
★ You are viewing this record
Sibling
Ernest Thomas
Sibling · 1940 · age 46
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 — Summit-County, Ohio
Open full size
1940 US Federal Census — Summit-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03173-00717)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thelma Schaad | 16 | Daughter | — | Ohio |
| 2 | Walter Flight | 40 | Brother | — | Ohio |
| 3 | Cully Mann | 43 | Head | Salesman | W. Virginia |
| 4 | Greta Mann | 48 | Wife | Teacher | Ohio |
| 5 | Iris Mann | 21 | Daughter | New Worker | Ohio |
| 6 | Larry Mann | 10 | Son | — | Ohio |
| 7 | Ethel|Ethelda Leinwand | 20 | Daughter | — | Ohio |
| 8 | Jeanette Leinwand | 1 | Granddaughter | — | Ohio |
| 9 | Charles Klingelheber | 32 | Head | Yardman | Germany |
| 10 | Atha Klingelheber | 37 | Wife | — | W. Virginia |
| 11 | Kathleen Klingelheber | 13 | Daughter | — | Ohio |
| 12 | Patricia Klingelheber | 10 | Daughter | — | Ohio |
| 13 | Charles Klingelheber | 5 | Son | — | Ohio |
| 14 | Margaret Thomas | 71 | Head | — | Ohio |
| 15 | Ernest Thomas | 46 | Son | Scrapman | Ohio |
| 16 | James Thomas THIS PERSON | 33 | Son | — | Ohio |
| 17 | Arthur Lathrope | 41 | Head | Tire Builder | Ohio |
| 18 | Mae Lathrope | 44 | Wife | Nurse (R.N.) | Pennsylvania |
| 19 | Barbara Lathrope | 8 | Daughter | — | Ohio |
| 20 | Sarah Litvora | 32 | Maid | Maid | Pennsylvania |
| 21 | Cecil Hummer | 30 | Head | Night Watchman | Kentucky |
| 22 | Constance Hummer | 29 | Wife | — | Ohio |
| 23 | Newell Hubbard | 36 | Head | Tire Builder | Ohio |
| 24 | Margaret Hubbard | 36 | Wife | — | Ohio |
| 25 | Mary Ellen Hubbard | 15 | Daughter | — | Ohio |
| 26 | Claude Hubbard | 11 | Son | — | Ohio |
| 27 | Edward Nemecek | 26 | Head | Clerk | Bohemia |
| 28 | Matilda Nemecek | 24 | Wife | Finisher | Ohio |
| 29 | Nicholas Sandish | 30 | Head | Beadmaker | Ohio |
| 30 | Vera Sandish | 29 | Wife | — | Indiana |
| 31 | Barbara Sandish | 9 | Daughter | — | Ohio |
| 32 | Evelyn Sandish | 6 | Daughter | — | Ohio |
| 33 | Shirley Sandish | 5 | Daughter | — | Ohio |
| 34 | John Amico | 41 | Head | Stock Man | Oklahoma |
| 35 | Mary Amico | 37 | Wife | — | Oklahoma |
| 36 | Dorothy Amico | 17 | Daughter | — | Oklahoma |
| 37 | Albert Finch | 56 | Head | Lathe Man | England |
| 38 | Poppy Finch | 53 | Wife | — | England |
| 39 | John Toney | 31 | Head | Checker | New York |
| 40 | Toney | 28 | Wife | — | Ohio |
Related Census Records
Pedigree Summary
James + 1 sibling
Gen 1 · 3 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)