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Betty Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Illinois
Our Model Tree links this Betty Thompson across the 1930 and 1940 US Censuses in Hamilton-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Illinois |
| Surname | Thompson |
| Given Name | Betty J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Beaver Creek Twp. |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Beaver Creek Twp |
| Est. Birth Year | ~1929 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Betty | Age | Birth yr |
|---|---|---|---|---|
| Violet Thompson | Daughter | — | 12 | ~1928 |
| Betty Thompson | Daughter | — | 11 | ~1929 |
| Mary Thompson | Daughter | — | 1 | ~1939 |
| Irvin Thompson | Son | — | 15 | ~1925 |
| Imogene Thompson | Daughter | — | 17 | ~1923 |
| Charles Thompson | Son | — | 3 | ~1937 |
| Effie Thompson | Spouse | — | 44 | ~1896 |
| Cloyd Thompson | Head | — | 54 | ~1886 |
Census Appearances
1930
Hamilton, Illinois
Daughter, age 1
Hamilton, Illinois · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Hamilton-County, Illinois
Daughter, age 11
Hamilton-County, Illinois · implied b. ~1929 — 8 household members
| Surname | Thompson |
| Given Name | Betty J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Beaver Creek Twp. |
| 1935 Residence (County) | Hamilton |
| Highest Grade | 4 |
| 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 Betty Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Betty Thompson
Daughter · 1940 · age 11 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
Violet Thompson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irvin Thompson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Thompson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Imogene Thompson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Thompson
Sibling · 1940 · age 3
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
1940 US Federal Census — Hamilton-County, Illinois
Open full size
1940 US Federal Census — Hamilton-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00809-00547)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George H. Thomas | 65 | Head | Farmer | Illinois |
| 2 | Lunetta M. Thomas | 61 | Wife | — | Illinois |
| 3 | Blanche Thomas | 21 | Daughter | — | Illinois |
| 4 | George E. Jr. Thomas | 18 | Son | Farmer | Illinois |
| 5 | Dorothy Thomas | 12 | Daughter | — | Illinois |
| 6 | Irvin S. Thomas | 35 | Son | Farmer | Illinois |
| 7 | Alfred J. Beecher | 47 | Head | Farmer | Illinois |
| 8 | Arvin A. Beecher | 15 | Son | Farmer | Illinois |
| 9 | Rein C. Beckett | 58 | Head | Farmer | Indiana |
| 10 | Viola M. Beckett | 52 | Wife | — | Illinois |
| 11 | John L. Beckett | 26 | Son | W.P.A. Laborer | Illinois |
| 12 | Cletus C. Beckett | 13 | Son | — | Illinois |
| 13 | Leona E. Beckett | 11 | Daughter | — | Illinois |
| 14 | John W. Wheeler | 77 | Father-in-law | Farmer | Illinois |
| 15 | Loren R. White | 26 | Head | W.P.A. Laborer | Illinois |
| 16 | Lucille M. White | 23 | Wife | — | Indiana |
| 17 | Billie J. White | 7 | Son | — | Illinois |
| 18 | Jimmie L. White | 7 | Son | — | Illinois |
| 19 | Caroline S. White | 1 | Daughter | — | Illinois |
| 20 | Irvin P. Oldham | 65 | Head | Store Keeper | Illinois |
| 21 | Annie Oldham | 62 | Wife | — | Illinois |
| 22 | Stella L. Nelson | 57 | Head | — | Illinois |
| 23 | Millard L. Nelson | 21 | Son | Farmer | Illinois |
| 24 | Rudolph D. Nelson | 19 | Son | Farmer | Illinois |
| 25 | Annabelle Nelson | 17 | Daughter | New Worker | Illinois |
| 26 | Joseph Jr. Nelson | 15 | Son | Farmer | Illinois |
| 27 | Claude E. Venables | 54 | Head | Farmer | Illinois |
| 28 | Maude Venables | 50 | Wife | — | Illinois |
| 29 | Cloyd Thompson | 54 | Head | Farmer | Illinois |
| 30 | Effie Thompson | 44 | Wife | — | Illinois |
| 31 | Imogene Thompson | 17 | Daughter | — | Illinois |
| 32 | Irvin E. Thompson | 15 | Son | Laborer | Illinois |
| 33 | Violet M. Thompson | 12 | Daughter | — | Illinois |
| 34 | Betty J. Thompson THIS PERSON | 11 | Daughter | — | Illinois |
| 35 | Charles R. Thompson | 3 | Son | — | Illinois |
| 36 | Mary Lois Thompson | 1 | Daughter | — | Illinois |
| 37 | Emmeline Rankin | 84 | Head | — | Illinois |
| 38 | Rosella Thomas | 24 | Granddaughter | Junior Clerk | Illinois |
| 39 | Robert E. Thomas | 10 | Grandson | — | Illinois |
| 40 | Eldon Rankin | 43 | Head | Laborer | 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)