JC
James Chapman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Henry-County, Illinois
Our Model Tree links this James Chapman across the 1920, 1930 and 1940 US Censuses in Henry-County, Illinois (XGBoost, ~Confirmed), with identified parents Rebecca & Max — first a son (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Henry-County, Illinois |
| Surname | Chapman |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Kewanee City |
| 1935 Residence (County) | Henry |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Kewanee City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Max Chapman | Head | — | 55 | ~1885 |
| James Chapman | Son | — | 24 | ~1916 |
| Rebecca Chapman | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Henry, Illinois
Son, age 4
Henry, Illinois · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Henry, Illinois
Son, age 15
Henry, Illinois · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Henry-County, Illinois
Son, age 24
Henry-County, Illinois · implied b. ~1916 — 3 household members
| Surname | Chapman |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Kewanee City |
| 1935 Residence (County) | Henry |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 James Chapman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Rebecca Chapman (~0.92 confidence) and father Max Chapman (~0.92 confidence) and father Max Chapman (~0.92 confidence) and mother Rebecca Chapman (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Rebecca Chapman
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Max Chapman
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Max Chapman
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Rebecca Chapman
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Chapman
Son · 1940 · age 24 · b. ~1916 · 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 — Henry-County, Illinois
Open full size
1940 US Federal Census — Henry-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00812-00274)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Terry | 29 | Head | Assistant Credit Mgr. | Illinois |
| 2 | Louise Terry | 29 | Wife | — | Illinois |
| 3 | Michael Terry | 1 | Son | — | Illinois |
| 4 | Anna Weimer | 60 | Head | Teacher | Illinois |
| 5 | Teresa Weimer | 61 | Sister | Teacher | Illinois |
| 6 | Christine Weimer | 65 | Sister | Teacher | Illinois |
| 7 | David E. Musgrove | 65 | Head | Labor | Illinois |
| 8 | Minie Musgrove | 65 | Wife | — | Illinois |
| 9 | Blanche Eustice | 55 | Head | — | Iowa |
| 10 | Garnet Butterwick | 60 | Head | Proprietor | Illinois |
| 11 | Stella Butterwick | 68 | Wife | — | Wisconsin |
| 12 | John Butterwick | 29 | Son | Clerk | Illinois |
| 13 | Thos. J. Fuss | 67 | Head | Agent | Indiana |
| 14 | Margaret Fuss | 61 | Wife | — | Illinois |
| 15 | Ester Anson | 57 | Head | — | Illinois |
| 16 | Charlotte Ladd | 56 | Head | Realtor | Vermont |
| 17 | John H. Ladd | 21 | Son | — | Illinois |
| 18 | Ester Kennedy | 66 | Lodger | — | Illinois |
| 19 | Henry J. Legg | 29 | Lodger | Teacher | Illinois |
| 20 | B. Albert Emerson | 39 | Head | District Wire Chief | Colorado |
| 21 | Lulu Emerson | 30 | Wife | — | West Virginia |
| 22 | Marcia K. Emerson | 2 | Daughter | — | Illinois |
| 23 | Louis L. Spratell | 43 | Head | Chiropodist | Ohio |
| 24 | Louise Spratell | 43 | Wife | — | Ohio |
| 25 | Lois Spratell | 20 | Daughter | — | Ohio |
| 26 | Helen Spratell | 13 | Daughter | — | Ohio |
| 27 | Cleffon Egbert | 35 | Head | District Agent | Illinois |
| 28 | Mary Elle Egbert | 33 | Wife | — | Illinois |
| 29 | Paula Egbert | 5 | Daughter | — | Illinois |
| 30 | Lee Marks | 34 | Head | Salesman | Arkansas |
| 31 | Viola Marks | 33 | Wife | — | Ohio |
| 32 | Glenn Marks | 12 | Son | — | Illinois |
| 33 | Joan Marks | 9 | Daughter | — | Illinois |
| 34 | Nancy Marks | 2 | Daughter | — | Illinois |
| 35 | Robert Spiker | 30 | Lodger | Dairyman | Illinois |
| 36 | Max Chapman | 55 | Head | Owner | Poland |
| 37 | Rebecca Chapman | 53 | Wife | — | Poland |
| 38 | James Chapman THIS PERSON | 24 | Son | — | Illinois |
| 39 | Anna Maggert | 52 | Head | — | Ohio |
| 40 | Gordin Anne Maggert | 32 | Roomer | Teacher | Kentucky |
Pedigree Summary
James
Gen 1 · 4 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)