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James Simpson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Tazewell-County, Illinois
Our Model Tree links this James Simpson across the 1920, 1930 and 1940 US Censuses in Tazewell-County, Illinois (XGBoost, ~Confirmed), with identified parents Jacob & Mary — first a head (b.~1897), then head of a 9-person household.
Age 43
b. ~1897
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Tazewell-County, Illinois |
| Surname | Simpson |
| Given Name | James H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Tazewell |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | on Farm |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 1000 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Farm Laborer |
| Township / Ward | Pekin City |
| Est. Birth Year | ~1897 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Loretta Simpson | Daughter | — | 18 | ~1922 |
| Jeanette Simpson | Daughter | — | 8 | ~1932 |
| Janice Simpson | Daughter | — | 1 | ~1939 |
| James Simpson | Head | — | 43 | ~1897 |
| Marvin Simpson | Son | — | ~1940 | |
| Gerald Simpson | Son | — | 4 | ~1936 |
| Glen Simpson | Son | — | 6 | ~1934 |
| Wayne Simpson | Son | — | 14 | ~1926 |
| Nellie Simpson | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Tazewell, Illinois
Son, age 23
Tazewell, Illinois · implied b. ~1897 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | James H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Tazewell, Illinois
Head, age 35
Tazewell, Illinois · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simpson |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | 17 |
| Veteran | W |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Tazewell-County, Illinois
Head, age 43
Tazewell-County, Illinois · implied b. ~1897 — 9 household members
| Surname | Simpson |
| Given Name | James H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Tazewell |
| Occupation | Farm Laborer |
| Industry | on Farm |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 1000 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 James Simpson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jacob Simpson (~0.92 confidence) and mother Mary Simpson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jacob Simpson
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Mary Simpson
b. ~1861
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Simpson
Head · 1940 · age 43 · b. ~1897 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Tazewell-County, Illinois
Open full size
1940 US Federal Census — Tazewell-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00895-00615)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James H. Simpson THIS PERSON | 43 | Head | Farm Laborer | Kentucky |
| 2 | Nellie S. Simpson | 37 | Wife | — | Illinois |
| 3 | Loretta Simpson | 18 | Daughter | — | Illinois |
| 4 | Wayne Simpson | 14 | Son | — | Illinois |
| 5 | Jeanette Simpson | 8 | Daughter | — | Illinois |
| 6 | Glen Simpson | 6 | Son | — | Illinois |
| 7 | Gerald Simpson | 4 | Son | — | Illinois |
| 8 | Janice Simpson | 1 | Daughter | — | Illinois |
| 9 | Marvin Simpson | 0 | Son | — | Illinois |
| 10 | Bert Coryell | 44 | Head | Owner | Illinois |
| 11 | Nellie Coryell | 35 | Wife | — | Kentucky |
| 12 | Robert Coryell | 16 | Son | — | Illinois |
| 13 | Raymond Coryell | 16 | Son | — | Illinois |
| 14 | Paul Coryell | 12 | Son | — | Illinois |
| 15 | Howard Coryell | 43 | Head | Laborer | Illinois |
| 16 | Florence Coryell | 36 | Wife | — | New Jersey |
| 17 | Donna Coryell | 16 | Daughter | — | Illinois |
| 18 | Louise Coryell | 14 | Daughter | — | Illinois |
| 19 | Norma Coryell | 11 | Daughter | — | Illinois |
| 20 | Charles Coryell | 72 | Head | — | Illinois |
| 21 | Georgia Coryell | 69 | Wife | — | Kansas |
| 22 | Loyell Stokes | 31 | Head | Assembler | Illinois |
| 23 | Lela Stokes | 28 | Wife | — | Illinois |
| 24 | Barbara Stokes | 7 | Daughter | — | Illinois |
| 25 | Elmer Morris | 25 | Head | Clerk | Illinois |
| 26 | Eileen Morris | 24 | Wife | Clerk | Illinois |
| 27 | Chester B. Smith | 40 | Head | Trimmer | Illinois |
| 28 | Margaret Smith | 38 | Wife | — | Illinois |
| 29 | Merlyn Smith | 2 | Son | — | Illinois |
| 30 | Florence Woodworth | 74 | Mother in law | — | Illinois |
| 31 | Charles Search | 47 | Head | Painter | Illinois |
| 32 | Eva Search | 46 | Wife | — | Illinois |
| 33 | Harold Wyrick | 27 | Head | Grain Operator | Illinois |
| 34 | Dorothy Wyrick | 26 | Wife | — | Illinois |
| 35 | Walter Hamann | 38 | Brother in law | Barber | Illinois |
| 36 | Wilbert Hamann | 24 | Nephew | Mechanic | Illinois |
| 37 | Sigurd Melend | 37 | Head | Sheet Worker | Norway |
| 38 | Matilda Melend | 29 | Wife | — | Norway |
| 39 | Carl Melend | 2 | Son | — | Illinois |
| 40 | Wm E. Martini | 54 | Head | Baker | Germany |
Pedigree Summary
James
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)