WT
William Thomas — 1930 US Census Record
Model Tree available1930 United States Federal Census · Stephenson, Illinois
Our Model Tree links this William Thomas across the 1910, 1920 and 1930 US Censuses in Stephenson, Illinois (XGBoost, ~Confirmed), with identified parents Frederick & Fredrick — first a son (b.~1907), then head of a 4-person household.
Age 23
b. ~1907
Male
Son
Born: Wisconsin
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Stephenson, Illinois |
| Surname | Thomas |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Laborer |
| Industry | medicine Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Laborer |
| Township / Ward | Freeport City |
| 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Charlotte Thomas | Daughter | — | 24 | ~1906 |
| Frederick Thomas | Head | — | 57 | ~1873 |
| William Thomas | Son | — | 23 | ~1907 |
| Della Thomas | Spouse | — | 57 | ~1873 |
Census Appearances
1910
Stephenson, Illinois
Son, age 4
Stephenson, Illinois · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | William B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1920
Lee, Illinois
Son, age 13
Lee, Illinois · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Occupation | Student |
| Industry | Grade School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Stephenson, Illinois
Son, age 23
Stephenson, Illinois · implied b. ~1907 — 4 household members
| Surname | Thomas |
| Given Name | William R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | medicine Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 William Thomas across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father Frederick Thomas (~0.92 confidence) and father Fredrick Thomas (~0.92 confidence) and father Fred Thomas (~0.92 confidence) and mother Nella Thomas (~0.92 confidence) and mother Della Thomas (~0.92 confidence) and mother Dilla Thomas (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frederick Thomas
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Fredrick Thomas
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Fred Thomas
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Nella Thomas
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Della Thomas
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Dilla Thomas
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Thomas
Son · 1930 · age 23 · b. ~1907 · Illinois
★ You are viewing this record
Sibling
Charlotte Thomas
Sibling · 1930 · age 24
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
1930 US Federal Census — Stephenson, Illinois
Open full size
1930 US Federal Census — Stephenson, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel561:0426)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ida C. Peppindine | 46 | Wife | None | Wisconsin |
| 52 | Elizabeth C. Burkhard | 58 | Wife | Librarian | Illinois |
| 53 | Joseph H. Burkhard | 55 | Head | Accountant | Germany |
| 54 | Arthur E. Mitchell | 60 | Head | Packer | Illinois |
| 55 | Ada M. Mitchell | 60 | Wife | Labeling | Illinois |
| 56 | Jerome J. Gardner | 35 | Head | Asst. Purchasing Agent | Missouri |
| 57 | Beatrice M. Gardner | 35 | Wife | None | Illinois |
| 58 | Eleanor M. Gardner | 9 | Daughter | None | Illinois |
| 59 | Belva J. Gardner | 5 | Daughter | None | Illinois |
| 60 | Merrill G. Gardner | 2 | Son | None | Illinois |
| 61 | Hazel D. Chapman | 39 | Sister | Dental Assistant | Missouri |
| 62 | Frederick G. Thomas | 57 | Head | Sales Manager | Illinois |
| 63 | Della V. Thomas | 57 | Wife | None | Iowa |
| 64 | William R. Thomas THIS PERSON | 23 | Son | Laborer | Wisconsin |
| 65 | Charlotte L. Thomas | 24 | Daughter | None | Wisconsin |
| 66 | Lora M. Dawson | 49 | Head | None | Illinois |
| 67 | Russell W. Dawson | 20 | Son | Farmers Helper | Illinois |
| 68 | Kenneth L. Dawson | 16 | Son | Bell-Hop | Illinois |
| 69 | Joseph L. Dawson | 13 | Son | None | Illinois |
| 70 | Walter R. Stewart | 30 | Roomer | Radio Clerk | Colorado |
| 71 | Lawrence H. Beason | 37 | Head | Barber | Illinois |
| 72 | Pearl J. Beason | 33 | Wife | None | Wisconsin |
| 73 | Cora Mullins | 52 | Head | Saleslady | Wisconsin |
| 74 | Edith Mullins | 23 | Daughter | Stenographer | Illinois |
| 75 | Wesley W. Stocks | 46 | Head | Plumber'S Helper | Illinois |
| 76 | Ethel J. Stocks | 46 | Wife | Saleslady | Iowa |
| 77 | Earl E. La Forge | 27 | Son-in-law | Truck Driver | South Dakota |
| 78 | Ruth E. La Forge | 21 | Daughter | Wrapping Stock | Iowa |
| 79 | Malcolm D. Kennedy | 12 | Head | None | Illinois |
| 80 | Harry J. Williams | 45 | Head | Brakeman | Wisconsin |
| 81 | Minnie E. Williams | 46 | Wife | None | Illinois |
| 82 | Kenneth Grosse | 26 | Head | Cost Accountant | Wisconsin |
| 83 | Gertrude Grosse | 26 | Wife | Abstractor | Illinois |
| 84 | Charles H. Miller | 24 | Son | Radio Clerk | Illinois |
| 85 | Samuel J. Schleich | 77 | Head | None | Germany |
| 86 | Lizzie J. Schleich | 71 | Wife | None | Illinois |
| 87 | Earl R. Kruckenberg | 25 | Head | Attendant | Illinois |
| 88 | Florence Kruckenberg | 23 | Wife | None | Illinois |
| 89 | Donald Kruckenberg | 1 | Son | None | Illinois |
| 90 | Charles S. Wiltrout | 55 | Head | Manager | Pennsylvania |
| 91 | May I. Wiltrout | 55 | Wife | Stenographer | Wisconsin |
| 92 | Iva M. Wiltrout | 18 | Daughter | Lab. Finisher | Wisconsin |
| 93 | Lorene M. Wiltrout | 17 | Daughter | None | Wisconsin |
| 94 | Florence H. Wiltrout | 15 | Daughter | None | Wisconsin |
| 95 | Ronald Wiltrout | 14 | Son | None | Wisconsin |
| 96 | Dorothy C. Wiltrout | 9 | Daughter | None | Michigan |
| 97 | Charles W. Wiltrout | 5 | Son | None | Wisconsin |
| 98 | David J. Wiltrout | 4 | Son | None | Wisconsin |
| 99 | Minnie M. Seward | 63 | Roomer | None | Missouri |
| 100 | George W. Rahn | 55 | Head | Night Watchman | Illinois |
Pedigree Summary
William + 1 sibling
Gen 1 · 6 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)