TP
Thomas Parker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, Illinois
Our Model Tree links this Thomas Parker across the 1920, 1930 and 1940 US Censuses in Mercer-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 5-person household.
Age 62
b. ~1878
Male
Head
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, Illinois |
| Surname | Parker |
| Given Name | Thomas S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Richland Grove |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Farmer |
| Industry | Own farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Richland Grove |
| Est. Birth Year | ~1878 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Olive Parker | Daughter | — | 29 | ~1911 |
| Delia Parker | Daughter | — | 25 | ~1915 |
| Thomas Parker | Head | — | 62 | ~1878 |
| Delia Parker | Other | — | 82 | ~1858 |
| Donald Parker | Son | — | 34 | ~1906 |
Census Appearances
1920
Mercer, Illinois
Head, age 42
Mercer, Illinois · implied b. ~1878 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Miner |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mercer, Illinois
Head, age 52
Mercer, Illinois · implied b. ~1878 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Thomas S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 26 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mercer-County, Illinois
Head, age 62
Mercer-County, Illinois · implied b. ~1878 — 5 household members
| Surname | Parker |
| Given Name | Thomas S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Richland Grove |
| 1935 Residence (County) | Mercer |
| Occupation | Farmer |
| Industry | Own farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 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 Thomas Parker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Parker
Head · 1940 · age 62 · b. ~1878 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mercer-County, Illinois
Open full size
1940 US Federal Census — Mercer-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00858-00495)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Fredrica Osborn | 58 | Wife | — | Illinois |
| 42 | Stewart Quaintance | 45 | Head | Farmer | Illinois |
| 43 | Winifred Quaintance | 41 | Wife | — | Illinois |
| 44 | Jack Quaintance | 10 | Son | — | Illinois |
| 45 | Robert Quaintance | 1 | Son | — | Illinois |
| 46 | Thomas S. Parker THIS PERSON | 62 | Head | Farmer | Illinois |
| 47 | Donald Parker | 34 | Son | Farmer | Illinois |
| 48 | Olive Parker | 29 | Daughter | — | Illinois |
| 49 | Delia Mae Parker | 25 | Daughter | — | Illinois |
| 50 | Delia E. Parker | 82 | Mother | — | Illinois |
| 51 | Callie Booton | 54 | Head | Farmer | Kentucky |
| 52 | Harold Booton | 18 | Son | Farmer | Illinois |
| 53 | Le Roy Booton | 15 | Son | — | Illinois |
| 54 | William Booton | 24 | Son | Farmer | Illinois |
| 55 | Gale Booton | 21 | Son | Welder | Illinois |
| 56 | George Holdsworth | 51 | Head | Farmer | Illinois |
| 57 | Carrie Holdsworth | 52 | Wife | — | Illinois |
| 58 | Wilbur Woolsey | 16 | Head | Farmer | Illinois |
| 59 | Harold Tomlinson | 40 | Head | Farmer | Illinois |
| 60 | Nora Tomlinson | 41 | Wife | — | Illinois |
| 61 | Donald Tomlinson | 9 | Son | — | Illinois |
| 62 | Shirley Tomlinson | 2 | Daughter | — | Illinois |
| 63 | Emil Moberg | 46 | Head | Farmer | Illinois |
| 64 | Charles Stropes | 49 | Head | Farmer | Illinois |
| 65 | Amy Stropes | 45 | Wife | — | Illinois |
| 66 | Orville Stropes | 24 | Son | Farmer | Illinois |
| 67 | Mildred Stropes | 18 | Daughter | — | Illinois |
| 68 | Marvin Stropes | 12 | Son | — | Illinois |
| 69 | John Schofield | 45 | Head | Farmer | Illinois |
| 70 | Eva Schofield | 45 | Wife | — | Illinois |
| 71 | Marjorie Schofield | 18 | Daughter | — | Illinois |
| 72 | Herbert Hopkinson | 49 | Head | Farmer | Illinois |
| 73 | Edna Hopkinson | 45 | Wife | — | Illinois |
| 74 | Gladys Hopkinson | 22 | Daughter | — | Illinois |
| 75 | Warren Hopkinson | 20 | Son | Farmer | Illinois |
| 76 | Herbert Jr. Hopkinson | 16 | Son | Farmer | Illinois |
| 77 | Marilyn Hopkinson | 13 | Daughter | — | Illinois |
| 78 | Frances Stevens | 44 | Head | Farmer | Illinois |
| 79 | Stella Anderson | 38 | Sister | — | Illinois |
| 80 | Ronald Anderson | 3 | Nephew | — | Illinois |
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)