IT
Ida Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wabash-County, Illinois
Our Model Tree links this Ida Thompson across the 1930 and 1940 US Censuses in Wabash-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 9-person household.
Age 24
b. ~1916
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wabash-County, Illinois |
| Surname | Thompson |
| Given Name | Ida Mae |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Fort Branch |
| 1935 Residence (County) | Gibson |
| Additional Details | |
| Occupation | Nurse |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 369 |
| Highest Grade | C 2 |
| 1935 Residence | Indiana |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Nurse |
| Township / Ward | Mt Carmel Precinct |
| Est. Birth Year | ~1916 |
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 Ida | Age | Birth yr |
|---|---|---|---|---|
| Charlene Thompson | Daughter | — | 8 | ~1932 |
| Cornelia Thompson | Daughter | — | 9 | ~1931 |
| Norma Thompson | Daughter | — | 16 | ~1924 |
| Phyllis Thompson | Daughter | — | 4 | ~1936 |
| Ida Thompson | Daughter | — | 24 | ~1916 |
| Maxine Thompson | Daughter | — | 5 | ~1935 |
| Charlie Thompson | Head | — | 52 | ~1888 |
| Robert Thompson | Son | — | 17 | ~1923 |
| Gertrude Thompson | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Wabash, Illinois
Daughter, age 14
Wabash, Illinois · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ida M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Wabash-County, Illinois
Daughter, age 24
Wabash-County, Illinois · implied b. ~1916 — 9 household members
| Surname | Thompson |
| Given Name | Ida Mae |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Fort Branch |
| 1935 Residence (County) | Gibson |
| Occupation | Nurse |
| Industry | Hospital |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 369 |
| Highest Grade | C 2 |
| 1935 Residence | Indiana |
| 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 Ida Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Thompson
Daughter · 1940 · age 24 · b. ~1916 · Illinois
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Sibling
Phyllis Thompson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxine Thompson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norma Thompson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Thompson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornelia Thompson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlene Thompson
Sibling · 1940 · age 8
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 — Wabash-County, Illinois
Open full size
1940 US Federal Census — Wabash-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00900-00355)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jack R. Dunniff|Dunniffe | 18 | son | 6 | Illinois |
| 2 | Betty Dunniff|Dunniffe | 16 | daughter | 6 | Illinois |
| 3 | Robert David Dunniff|Dunniffe | 12 | son | 6 | Illinois |
| 4 | W. T. Trimble | 72 | Head | Salesman | Illinois |
| 5 | Mary Ann Reeser | 38 | Hired hand | Housework | Kentucky |
| 6 | Alanson Freha | 29 | Head | Machine | Illinois |
| 7 | Laura Freha | 37 | sister | Telephone | Illinois |
| 8 | William Singer | 40 | Head | Salesman | Indiana |
| 9 | Mary Singer | 38 | wife | Housewife | Indiana |
| 10 | Billie Singer | 10 | daughter | — | Indiana |
| 11 | Joan Singer | 8 | daughter | — | Illinois |
| 12 | William Bradbury | 62 | Head | Laborer | Kentucky |
| 13 | Hiram C. Peters | 74 | Lodger | — | Illinois |
| 14 | Charlie Thompson | 52 | Head | Laborer | Illinois |
| 15 | Gertrude Thompson | 45 | wife | Housewife | Illinois |
| 16 | Robert Thompson | 17 | son | — | Illinois |
| 17 | Ida Mae Thompson THIS PERSON | 24 | daughter | Nurse | Illinois |
| 18 | Norma Thompson | 16 | daughter | — | Illinois |
| 19 | Cornelia Ann Thompson | 9 | daughter | — | Illinois |
| 20 | Charlene Thompson | 8 | daughter | — | Illinois |
| 21 | Maxine Thompson | 5 | daughter | — | Indiana |
| 22 | Phyllis Thompson | 4 | daughter | — | Indiana |
| 23 | Berend Hennes | 41 | Head | Farming | Illinois |
| 24 | Albertine Hennes | 56 | sister | Housekeeping | Illinois |
| 25 | Virgil Scales | 41 | Head | Engineer | Indiana |
| 26 | Francis Scales | 39 | wife | Housewife | Illinois |
| 27 | Delores Scales | 13 | daughter | — | Florida |
| 28 | Joan Scales | 10 | daughter | — | Illinois |
| 29 | Mary Lou Scales | 7 | daughter | — | Indiana |
| 30 | Loretta Scales | 3 | daughter | — | Illinois |
| 31 | James Simpson | 72 | Head | Housework | Indiana |
| 32 | Bessie Simpson | 49 | daughter | Housework | Indiana |
| 33 | Joe Keifer | 65 | Head | Farming | Indiana |
| 34 | Mary Keifer | 57 | wife | Housewife | Indiana |
| 35 | Fred Keifer | 30 | son | Farming | Illinois |
| 36 | Norman Keifer | 17 | son | Farming | Illinois |
| 37 | Alma Schuler | 25 | daughter | Housekeeping | Illinois |
| 38 | Vera Schuler | 2 | grandson | — | Illinois |
| 39 | Mike Hart | 75 | Head | — | Germany |
| 40 | Richard Nelson | 45 | Head | Fishing | 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)