RT
Roy Thompson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Sangamon, Illinois
Our Model Tree links this Roy Thompson across the 1920, 1930 and 1940 US Censuses in Sangamon, Illinois (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 3-person household.
Age 57
b. ~1873
Male
Head
Born: Indiana
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Sangamon, Illinois |
| Surname | Thompson |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 22 |
| Father's Birthplace | U.S. |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Signal man |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Signal Man |
| Township / Ward | City Of Springfield Pt Of |
| Est. Birth Year | ~1873 |
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 1930 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Abbie Thompson | Spouse | — | 55 | ~1875 |
| Martha Thompson | Daughter | — | 18 | ~1912 |
| Roy Thompson | Head | — | 57 | ~1873 |
Census Appearances
1920
Sangamon, Illinois
Head, age 48
Sangamon, Illinois · implied b. ~1872 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Signal Man |
| Industry | Steam Rail Road |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Sangamon, Illinois
Head, age 57
Sangamon, Illinois · implied b. ~1873 — 3 household members
| Surname | Thompson |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 22 |
| Father's Birthplace | U.S. |
| Mother's Birthplace | Indiana |
| Occupation | Signal man |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Sangamon-County, Illinois
Head, age 67
Sangamon-County, Illinois · implied b. ~1873 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ray |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | G-6 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Roy Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Roy Thompson
Head · 1930 · age 57 · b. ~1873 · 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 — Sangamon, Illinois
Open full size
1930 US Federal Census — Sangamon, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel559:0359)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald J Mcgrath | 22 | Son | Printer | Illinois |
| 2 | Thomas J Mcgrath | 19 | Son | Errand Boy | Illinois |
| 3 | Mary A Mcgrath | 12 | Daughter | Student | Illinois |
| 4 | Leo E Mcgrath | 10 | Son | — | Illinois |
| 5 | Henry D Stout | 52 | Head | Salesman | Indiana |
| 6 | Susie M Stout | 45 | Wife | — | Indiana |
| 7 | Elmer E Stout | 13 | Son | Student | Illinois |
| 8 | Roy Thompson THIS PERSON | 57 | Head | Signal Man | Indiana |
| 9 | Abbie B Thompson | 55 | Wife | — | Indiana |
| 10 | Martha Thompson | 18 | Daughter | Stenographer | Indiana |
| 11 | Albert E Hagele | 43 | Head | Inspector | Illinois |
| 12 | Mary G Hagele | 41 | Wife | — | Illinois |
| 13 | Albert E Hagele | 16 | Son | Student | Illinois |
| 14 | Evelyn M Hagele | 9 | Daughter | — | Illinois |
| 15 | Gilbert L Dietrich | 24 | Head | Bookkeeper | Illinois |
| 16 | Violet L Dietrich | 18 | Wife | — | Illinois |
| 17 | Ralph Dietrich | 19 | Brother | Piece Worker | Illinois |
| 18 | Gerald G Smith | 14 | Brother-in-law | Student | Iowa |
| 19 | Jacob Al Jones | 28 | Head | Janitor | Illinois |
| 20 | Arline R Jones | 23 | Wife | — | Missouri |
| 21 | Hazel M Jones | 3 | Daughter | — | Illinois |
| 22 | Harriet M Jones | 1 | Daughter | — | Illinois |
| 23 | Mack Thomas | 49 | Head | Carpenter | Kentucky |
| 24 | May Thomas | 40 | Wife | Clerk | Illinois |
| 25 | Delphia Thomas | 18 | Daughter | Student | Illinois |
| 26 | Susie The Laughlin | 66 | Head | — | New York |
| 27 | John C Mante | 55 | Head | Miner | France |
| 28 | Mary A Mante | 53 | Wife | — | France |
| 29 | Germaine Mante | 27 | Daughter | Stenographer | France |
| 30 | Henry Oettrick | 51 | Head | Sheet Metal Worker | Illinois |
| 31 | Mary Oettrick | 48 | Wife | — | Illinois |
| 32 | Charles H Oettrick | 11 | Son | — | Illinois |
| 33 | Rose Mary Oettrick | 9 | Daughter | — | Illinois |
| 34 | John W Smith | 52 | Head | Miner | Illinois |
| 35 | Isabel Smith | 48 | Wife | — | Illinois |
| 36 | Marie Morton | 25 | Daughter | — | Illinois |
| 37 | Betty J Morton | 7 | Granddaughter | — | Illinois |
| 38 | Charles W Hazlett | 76 | Head | Clerk | Virginia |
| 39 | Elizabeth Hazlett | 68 | Wife | — | Ohio |
| 40 | Nicholas Cappeli | 34 | Head | Miner | Italy |
| 41 | Beatrice Cappeli | 26 | Wife | — | Italy |
| 42 | Andrew Titone | 32 | Brother-in-law | Miner | Italy |
| 43 | Amelia Titone | 22 | Sister-in-law | — | Italy |
| 44 | John Titone | 6 | Nephew | — | Illinois |
| 45 | Dominic Titone | 5 | Nephew | — | Illinois |
| 46 | Victoria Titone | 4 | Niece | — | Illinois |
| 47 | Concetta Antonacci | 60 | Mother-in-law | — | Italy |
| 48 | Elza D Griffin | 51 | Head | Conductor | Illinois |
| 49 | Lettie P Griffin | 48 | Wife | — | Indiana |
| 50 | Ruth Ann Griffin | 18 | Daughter | Packer | Illinois |
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)