HT
Howard Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Howard Thomas across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Sylvester & Lora — first a head (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Thomas |
| Given Name | Howard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Fireman |
| Industry | Steam Rail |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 324 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Fireman |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1908 |
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 Howard | Age | Birth yr |
|---|---|---|---|---|
| Dean Thomas | Son | — | 4 | ~1936 |
| Roberta Thomas | Daughter | — | 1 | ~1939 |
| Howard Thomas | Head | — | 32 | ~1908 |
| Ora Thomas | Daughter | — | 11 | ~1929 |
| Ora Thomas | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Howard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 22
Cook, Illinois · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Howard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Clerk-Office |
| Industry | Printing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 32
Cook-County, Illinois · implied b. ~1908 — 5 household members
| Surname | Thomas |
| Given Name | Howard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Fireman |
| Industry | Steam Rail |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 324 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Howard Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Sylvester Thomas (~0.92 confidence) and mother Lora Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Sylvester Thomas
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Lora Thomas
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Howard Thomas
Head · 1940 · age 32 · b. ~1908 · Illinois
★ 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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00999-00679)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Minerva Williams | 27 | Wife | — | Illinois |
| 2 | Robert Williams | 3 | Son | — | Illinois |
| 3 | Marcia Ann Williams | 1 | Daughter | — | Illinois |
| 4 | Mother Pannie | 59 | Mother | — | Austria |
| 5 | Sister Evelyn | 22 | Sister | Typist | Illinois |
| 6 | Charles Ruchas | 68 | Head | Cabinet Maker | Lithuania |
| 7 | Elizabeth Ruchas | 60 | Wife | — | Lithuania |
| 8 | Almira Kyle | 43 | Head | H | Illinois |
| 9 | Richard Kyle | 21 | Son | Soda Clerk | Illinois |
| 10 | Hugo Behnke | 73 | Father | — | Illinois |
| 11 | G. J. Plunkett | 31 | Head | Attendant | West Virginia |
| 12 | Irene Plunkett | 28 | Wife | Stenographer | Ohio |
| 13 | Eileen Plunkett | 2 | Daughter | — | Ohio |
| 14 | Ronald R. Reese | 22 | Head | Shipping Clerk | Ohio |
| 15 | Loda Reese | 22 | Wife | — | Ohio |
| 16 | Oscar Stave | 36 | Head | Mechanic | Illinois |
| 17 | John Davidson | 37 | Friend | Mechanic | Illinois |
| 18 | Void | None | — | — | — |
| 19 | Void | None | — | — | — |
| 20 | Christian Olsen | 53 | Head | Butcher | Denmark |
| 21 | Minnie Olsen | 48 | Wife | — | Missouri |
| 22 | Anton Machu | 49 | Head | Water Pipe Extens. | Bohemia |
| 23 | Julia Machu | 45 | Wife | — | Bohemia |
| 24 | Elmer James Machu | 9 | Son | — | Illinois |
| 25 | Herman Kurth | 50 | Head | Barber | Germany |
| 26 | Helen Kurth | 48 | Wife | — | Germany |
| 27 | Charlene Kurth | 7 | Daughter | — | Illinois |
| 28 | Henry Bischoff | 66 | Head | — | Wisconsin |
| 29 | Bertha Bischoff | 62 | Wife | — | Illinois |
| 30 | Marie Selk | 60 | Wife | — | Ohio |
| 31 | Christ Selk | 61 | Head | Fireman | Illinois |
| 32 | Loretta Selk | 25 | Daughter | Pen Stager | Illinois |
| 33 | Lucille Selk | 18 | Daughter | — | Illinois |
| 34 | Howard Thomas THIS PERSON | 32 | Head | Fireman | Illinois |
| 35 | Ora Thomas | 31 | Wife | — | Illinois |
| 36 | Ora Mary Thomas | 11 | Daughter | — | Illinois |
| 37 | Dean Thomas | 4 | Son | — | Illinois |
| 38 | Roberta Thomas | 1 | Daughter | — | Illinois |
| 39 | Louis Hofmeister | 64 | Head | Proprietor | Germany |
| 40 | Antoinette Hofmeister | 57 | Wife | Cook | Austria |
Pedigree Summary
Howard
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)