BT
Betty Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kendall-County, Illinois
Our Model Tree links this Betty Thompson across the 1930 and 1940 US Censuses in Kendall-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kendall-County, Illinois |
| Surname | Thompson |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Big Grove Township |
| 1935 Residence (County) | Kendall |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Big Grove Township |
| Est. Birth Year | ~1927 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Betty | Age | Birth yr |
|---|---|---|---|---|
| Milton Thompson | Son | — | 17 | ~1923 |
| Marjorie Thompson | Daughter | — | 9 | ~1931 |
| Olden Thompson | Son | — | 15 | ~1925 |
| Russell Thompson | Son | — | 18 | ~1922 |
| Doris Thompson | Daughter | — | 2 | ~1938 |
| Betty Thompson | Daughter | — | 13 | ~1927 |
| Tom Thompson | Head | — | 54 | ~1886 |
| Mabel Thompson | Spouse | — | 47 | ~1893 |
| Everett Thompson | Son | — | 20 | ~1920 |
Census Appearances
1930
Kendall, Illinois
Daughter, age 3
Kendall, Illinois · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Norway |
| Mother's Birthplace | Illinois |
| Can Read/Write | No |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Kendall-County, Illinois
Daughter, age 13
Kendall-County, Illinois · implied b. ~1927 — 9 household members
| Surname | Thompson |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Big Grove Township |
| 1935 Residence (County) | Kendall |
| Highest Grade | No 8 |
| 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 13 · b. ~1927 · Illinois
★ You are viewing this record
Sibling
Marjorie Thompson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Thompson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Milton Thompson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Olden Thompson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Everett Thompson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Thompson
Sibling · 1940 · age 18
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 — Kendall-County, Illinois
Open full size
1940 US Federal Census — Kendall-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00825-00039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Olaf Olsen | 27 | Head | Farming | Illinois |
| 2 | Nora Olsen | 25 | Daughter-in-law | — | Illinois |
| 3 | Cortina Olsen | 1 | Granddaughter | — | Illinois |
| 4 | Mattie Leim | 55 | Sister-in-law | — | Illinois |
| 5 | Arthur Thompson | 35 | Head | Farming | Illinois |
| 6 | Olga Holland | 49 | Head | — | Illinois |
| 7 | Mattie Holland | 51 | Sister | — | Illinois |
| 8 | Nels Sandvick | 65 | Head | Farming | Norway |
| 9 | Mattie Sandvick | 67 | Wife | — | Illinois |
| 10 | Irvin Sandvick | 33 | Son | Farming | Illinois |
| 11 | Albert Sandvick | 60 | Brother | Farm Hand | Norway |
| 12 | John Dall | 55 | Head | Farming | Norway |
| 13 | Everett Dall | 20 | Son | Farm Hand | Illinois |
| 14 | Evelyn Dall | 11 | Daughter | — | Illinois |
| 15 | Iverson Iverson | 35 | Head | Farming | Illinois |
| 16 | Edna Iverson | 30 | Wife | — | Illinois |
| 17 | H. J. Hutsenpiller | 60 | Head | Farming | Ohio |
| 18 | Grace Hutsenpiller | 62 | Wife | — | Illinois |
| 19 | Rasmus Grosd | 50 | Head | Farming | Norway |
| 20 | Emily Grosd | 50 | Wife | — | Norway |
| 21 | Tom Thompson | 54 | Head | Farming | Norway |
| 22 | Mabel Thompson | 47 | Wife | — | Illinois |
| 23 | Everett Thompson | 20 | Son | Farm Help | Illinois |
| 24 | Russell Thompson | 18 | Son | Farm Help | Illinois |
| 25 | Milton Thompson | 17 | Son | Farm Help | Illinois |
| 26 | Olden Thompson | 15 | Son | — | Illinois |
| 27 | Betty Thompson THIS PERSON | 13 | Daughter | — | Illinois |
| 28 | Marjorie Thompson | 9 | Daughter | — | Illinois |
| 29 | Doris Mae Thompson | 2 | Daughter | — | Illinois |
| 30 | John H. Wicks | 72 | Head | Farming | Illinois |
| 31 | Alvina Wicks | 35 | Wife | — | Illinois |
| 32 | By Dell Wicks | 11 | Daughter | — | Illinois |
| 33 | George Wicks | 1 | Son | — | Illinois |
| 34 | Thomas E. Lundy | 40 | Head | Farming | Iowa |
| 35 | Esther D. Lundy | 32 | Wife | — | Illinois |
| 36 | Howard Lundy | 12 | Son | — | Illinois |
| 37 | Lois Lundy | 8 | Daughter | — | Illinois |
| 38 | Dorothy Lundy | 4 | Daughter | — | Illinois |
| 39 | Burton Larson | 46 | Head | Farming | Illinois |
| 40 | Josephine Larson | 72 | Mother | — | Illinois |
Related Census Records
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)