IT
Isaac Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Summit-County, Ohio
Our Model Tree links this Isaac Thomas across the 1920, 1930 and 1940 US Censuses in Summit-County, Ohio (XGBoost, ~Confirmed), with identified parents Gilley & Liza — first a head (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Summit-County, Ohio |
| Surname | Thomas |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Akron |
| 1935 Residence (County) | Summit |
| Additional Details | |
| Occupation | Chipper |
| Industry | Foundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1183 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Chipper |
| Township / Ward | Akron |
| Est. Birth Year | ~1904 |
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 Isaac | Age | Birth yr |
|---|---|---|---|---|
| Isaac Thomas | Head | — | 36 | ~1904 |
| Ida Thomas | Spouse | — | 36 | ~1904 |
| Barbara Thomas | Daughter | — | 5 | ~1935 |
Census Appearances
1920
Mahoning, Ohio
Son, age 16
Mahoning, Ohio · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Bell Hop |
| Industry | Hotel |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Summit, Ohio
Head, age 26
Summit, Ohio · implied b. ~1904
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Thomas |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 22 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Helper |
| Industry | Foundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20.00 |
| Veteran | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Summit-County, Ohio
Head, age 36
Summit-County, Ohio · implied b. ~1904 — 3 household members
| Surname | Thomas |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Akron |
| 1935 Residence (County) | Summit |
| Occupation | Chipper |
| Industry | Foundry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1183 |
| Highest Grade | No 4 |
| 1935 Residence | Same house |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Isaac Thomas across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Gilley Thomas (~0.92 confidence) and mother Liza Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gilley Thomas
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Liza Thomas
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Isaac Thomas
Head · 1940 · age 36 · b. ~1904 · Ohio
★ 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 — 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-t0627-03175-00479)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Willie Lee Davidson | 19 | Daughter | Sewing Project | Tennessee |
| 42 | Henry Davidson | 60 | Uncle | Laborer | Alabama |
| 43 | Mary Davidson | 44 | Aunt | — | Georgia |
| 44 | Charles Nichols | 32 | Head | Laborer | Indiana |
| 45 | Elizabeth Nichols | 23 | Wife | — | Illinois |
| 46 | Thomas Fields | 22 | Son in law | Laborer | Ohio |
| 47 | Ida Dean Fields | 20 | Daughter | — | Illinois |
| 48 | Joanne Fields | 0 | Grand daughter | — | Ohio |
| 49 | James Watson | 30 | Boarder | Janitor | Georgia |
| 50 | Dorothy Watson | 18 | Boarder | — | Ohio |
| 51 | Phyllis K. Watson | 1 | Boarder | — | Ohio |
| 52 | Charles Davis | 31 | Head | Laborer | Florida |
| 53 | Lessie Davis | 27 | Wife | — | Georgia |
| 54 | Kate Jr. Davis | 10 | Son | — | Ohio |
| 55 | Mignon Davis | 5 | Daughter | — | Ohio |
| 56 | Isaac Thomas THIS PERSON | 36 | Head | Chipper | Alabama |
| 57 | Ida Thomas | 36 | Wife | — | Alabama |
| 58 | Barbara Thomas | 5 | Daughter | — | Ohio |
| 59 | Edward Hill | 30 | Head | Waiter | Ohio |
| 60 | Louise Hill | 28 | Wife | — | Georgia |
| 61 | Thelma Blackshear | 15 | Daughter | Play Worker | Georgia |
| 62 | Oree Walker | 29 | Head | Laborer | Mississippi |
| 63 | Delphia Walker | 26 | Wife | — | Mississippi |
| 64 | Alfred Walker | 7 | Son | — | Mississippi |
| 65 | Dorothy M. Walker | 6 | Daughter | — | Mississippi |
| 66 | Roger D. Walker | 4 | Son | — | Mississippi |
| 67 | Jessie D. Walker | 2 | Daughter | — | Alabama |
| 68 | William Hopper | 35 | Head | Laborer | Alabama |
| 69 | Lucille Hopper | 31 | Wife | — | Alabama |
| 70 | William Green | 30 | Boarder | Laborer | Ohio |
| 71 | Willie Frank | 28 | Boarder | Janitor | Ohio |
| 72 | Joe Lawson | 31 | Boarder | Rubber Worker | Ohio |
| 73 | Cordellia Martini | 23 | Boarder | Waitress | Ohio |
| 74 | Rosalee East | 31 | Head | — | Ohio |
| 75 | Helen East | 12 | Daughter | — | Ohio |
| 76 | Sadie Favor | 29 | Boarder | Maid | Alabama |
| 77 | Benjamin Burleigh | 52 | Head | Garbage Collector | Ohio |
| 78 | Ruth B. Burleigh | 56 | Wife | — | Kentucky |
| 79 | Aaron Whitley | 42 | Head | Waiter | Ohio |
| 80 | Ruth A. Whitley | 36 | Wife | — | Ohio |
Pedigree Summary
Isaac
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)