AT
Arthur Thomas — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Arthur Thomas across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Mary & Mary — first a head (b.~1895), then head of a 5-person household.
Age 35
b. ~1895
Male
Head
Born: Missouri
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Thomas |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 25 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | mechanic |
| Industry | Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25.00 |
| Radio Set | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Mechanic |
| Township / Ward | Chicago City |
| 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Patricia Thomas | Daughter | — | 8 | ~1922 |
| Arthur Thomas | Head | — | 35 | ~1895 |
| Rose Thomas | Other | — | 29 | ~1901 |
| Richard Thomas | Son | — | 5 | ~1925 |
| Robert Thomas | Son | — | 5 | ~1925 |
Census Appearances
1920
Cook, Illinois
Son, age 24
Cook, Illinois · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Missouri |
| Occupation | Switchman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Cook, Illinois
Head, age 35
Cook, Illinois · implied b. ~1895 — 5 household members
| Surname | Thomas |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 25 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | mechanic |
| Industry | Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25.00 |
| Radio Set | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Cook-County, Illinois
Son, age 46
Cook-County, Illinois · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Truck driver |
| Industry | Steel mills |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2080 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Arthur Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Thomas (~0.92 confidence) and mother Mary Thomas (~0.92 confidence) and father Robert Thomas (~0.92 confidence) and father Robert Thomas (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Thomas
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
Robert Thomas
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Robert Thomas
b. ~1876
Source father
● Household
· direct · ~0.92
This person
Anchor record
Arthur Thomas
Head · 1930 · age 35 · b. ~1895 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel453:0459)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Simpson | 34 | Head | Furniture Packer | Scotland |
| 2 | Isabelle Simpson | 31 | Wife-H | None | Iowa |
| 3 | Isabelle Simpson | 2 | Daughter | None | Chicago |
| 4 | John Hundalas | 36 | Head | Other | Greece |
| 5 | Demetra Hundalas | 21 | Wife-H | None | Greece |
| 6 | John Hundalas | 32 | Roomer | Cabinet Mkr | Greece |
| 7 | Harry Benedict | 45 | Head | Proprietor | Kansas |
| 8 | Anna M Benedict | 34 | Wife-H | None | Chicago |
| 9 | John E Withey | 31 | Head | Proprietor | Arkansas |
| 10 | Bessie Withey | 36 | Wife-H | Saleswoman | Chicago |
| 11 | Charles Withey | 3 | Son | None | Chicago |
| 12 | Mary G Withey | 1 | Daughter | None | Chicago |
| 13 | Anna Zajic | 57 | Head | None | Czechoslovakia |
| 14 | Edward Zajic | 28 | Son | Clerical | Chicago |
| 15 | Edward Idziorek | 51 | Head | Proprietor | Czechoslovakia |
| 16 | Louise Gouboy | 60 | Head | None | Czechoslovakia |
| 17 | Henry Puchasek | 32 | Head | Mail Carrier | Louisiana |
| 18 | Mae Puchasek | 25 | Wife-H | Saleslady | Chicago |
| 19 | Frank Williams | 36 | Roomer | Machinist | Czechoslovakia |
| 20 | William Marquart | 38 | Head | Truck Driver | Chicago |
| 21 | Emily Marquart | 38 | Wife-H | None | Chicago |
| 22 | Evelyn Marquart | 4 | Daughter | None | Chicago |
| 23 | Florence Marquart | 1 | Daughter | None | Chicago |
| 24 | Joseph Horak | 47 | Head | Shop Work | Czechoslovakia |
| 25 | Anna Horak | 46 | Wife-H | None | Chicago |
| 26 | Joseph Horak | 15 | Son | None | Chicago |
| 27 | Albert Smith | 62 | Head | None | Michigan |
| 28 | John J Smith | 34 | Son | Shop Office | Chicago |
| 29 | Edward Marcotte | 48 | Head | Proprietor | Michigan |
| 30 | Laura Marcotte | 40 | Wife-H | Operator | Michigan |
| 31 | Vernon Marcotte | 15 | Son | None | Michigan |
| 32 | Edmund Marcotte | 13 | Son | None | Michigan |
| 33 | Lawrence Marcotte | 10 | Son | None | Michigan |
| 34 | George Marcotte | 26 | Roomer | Driver | Michigan |
| 35 | Jerry Janda | 35 | Head | Proprietor | Czechoslovakia |
| 36 | Anna Janda | 35 | Wife-H | None | Austria |
| 37 | Jerry Jr Janda | 9 | Son | None | Chicago |
| 38 | Ludvig Juzik | 29 | Brother-in-law | Cabinet Mkr | Austria |
| 39 | Arthur Thomas THIS PERSON | 35 | Head | Mechanic | Missouri |
| 40 | Rose Thomas | 29 | Wife-H | None | Czechoslovakia |
| 41 | Patricia Thomas | 8 | Daughter | None | Colorado |
| 42 | Robert Thomas | 5 | Son | None | Colorado |
| 43 | Richard Thomas | 5 | Son | None | Colorado |
| 44 | Rudolph Kouk | 29 | Head | Proprietor | Chicago |
| 45 | Mildred Kouk | 29 | Wife-H | None | Chicago |
| 46 | James Kouk | 6 | Son | None | Chicago |
| 47 | Robert Kouk | 5 | Son | None | Chicago |
| 48 | William Kouk | 4 | Son | None | Chicago |
| 49 | John Sedlacek | 34 | Head | Proprietor | Chicago |
| 50 | Bessie Sedlacek | 30 | Wife-H | Saleslady | Chicago |
Pedigree Summary
Arthur
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)