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Lucy Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · White-County, Illinois
Our Model Tree links this Lucy Thompson across the 1930 and 1940 US Censuses in White-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | White-County, Illinois |
| Surname | Thompson |
| Given Name | Lucy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Hawthorne Township |
| 1935 Residence (County) | White |
| Additional Details | |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | H 7 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Hawthorne Township |
| Est. Birth Year | ~1924 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lucy | Age | Birth yr |
|---|---|---|---|---|
| Lena Thompson | Daughter | — | 7 | ~1933 |
| Billy Thompson | Son | — | 9 | ~1931 |
| Lucy Thompson | Daughter | — | 16 | ~1924 |
| Ruby Thompson | Daughter | — | 12 | ~1928 |
| Curtis Thompson | Son | — | 18 | ~1922 |
| Mary Thompson | Spouse | — | 39 | ~1901 |
| Carl Thompson | Head | — | 49 | ~1891 |
Census Appearances
1930
White, Illinois
Daughter, age 6
White, Illinois · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Lucy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
White-County, Illinois
Daughter, age 16
White-County, Illinois · implied b. ~1924 — 7 household members
| Surname | Thompson |
| Given Name | Lucy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Hawthorne Township |
| 1935 Residence (County) | White |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | H 7 |
| 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 Lucy Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lucy Thompson
Daughter · 1940 · age 16 · b. ~1924 · Illinois
★ You are viewing this record
Sibling
Ruby Thompson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Thompson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lena Thompson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Curtis 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 — White-County, Illinois
Open full size
1940 US Federal Census — White-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00904-00330)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James H Browning | 31 | Head | Laborer | Kentucky |
| 42 | Madeline Browning | 25 | Wife | — | Illinois |
| 43 | Doris L Browning | 6 | Daughter | — | Illinois |
| 44 | Parker Karon | 36 | Head | Farm Operator | Indiana |
| 45 | Mary M Karon | 30 | Wife | Housewife | Illinois |
| 46 | Florence Karon | 12 | Daughter | — | Illinois |
| 47 | Anna B Karon | 11 | Daughter | — | Illinois |
| 48 | Nellie G Karon | 10 | Daughter | — | Illinois |
| 49 | Parker Jr Karon | 8 | Son | — | Illinois |
| 50 | Carl D Thompson | 49 | Head | Laborer | Indiana |
| 51 | Mary Thompson | 39 | Wife | — | Illinois |
| 52 | Curtis Thompson | 18 | Son | Laborer | Illinois |
| 53 | Lucy Thompson THIS PERSON | 16 | Daughter | — | Illinois |
| 54 | Ruby Thompson | 12 | Daughter | — | Illinois |
| 55 | Billy Thompson | 9 | Son | — | Illinois |
| 56 | Lena Thompson | 7 | Daughter | — | Illinois |
| 57 | William Barnes | 30 | Head | Laborer | Indiana |
| 58 | Marie Barnes | 26 | Wife | — | Indiana |
| 59 | Reda Barnes | 8 | Daughter | — | Illinois |
| 60 | Robert Barnes | 6 | Son | — | Illinois |
| 61 | William Barnes | 1 | Son | — | Illinois |
| 62 | Jasper Burris | 59 | Head | Farmer | Illinois |
| 63 | Jennie Burris | 55 | Wife | — | Illinois |
| 64 | Fred Burris | 25 | Son | — | Illinois |
| 65 | Sarah Burris | 20 | Daughter | — | Illinois |
| 66 | Charles Burris | 31 | Son | Mechanic | Illinois |
| 67 | Frances Burris | 8 | Grandchild | — | Illinois |
| 68 | Charles Jr Burris | 1 | Grandchild | — | Illinois |
| 69 | Laurence Murdy | 26 | Head | Farm Operator | Illinois |
| 70 | Lora Murdy | 25 | Wife | School Teacher | Illinois |
| 71 | Loren Lucas | 33 | Head | Farm Operator | Missouri |
| 72 | Darcy Lucas | 37 | Wife | — | Illinois |
| 73 | Charles D Lucas | 10 | Son | — | Illinois |
| 74 | Gail Lucas | 8 | Son | — | Illinois |
| 75 | Theodore Duvall | 27 | Head | Farm Laborer | Kentucky |
| 76 | Ada Duvall | 23 | Wife | — | Kentucky |
| 77 | Marilyn Duvall | 4 | Daughter | — | Illinois |
| 78 | David Duvall | 2 | Son | — | Illinois |
| 79 | Manda Guinn | 69 | Head | — | Illinois |
| 80 | William Guinn | 54 | Son | Farm 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)