JC
James Chapman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ashtabula-County, Ohio
Our Model Tree links this James Chapman across the 1920, 1930 and 1940 US Censuses in Ashtabula-County, Ohio (XGBoost, ~Confirmed), with identified parents Charles & Loella — first a son (b.~1908), then head of a 6-person household.
Age 32
b. ~1908
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ashtabula-County, Ohio |
| Surname | Chapman |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Ashtabula city |
| 1935 Residence (County) | Ashtabula |
| Additional Details | |
| Occupation | policeman |
| Industry | city force |
| Class of Worker | GW |
| Hours Worked | 54 |
| Income (1939) | 1800 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Policeman |
| Township / Ward | Ashtabula City |
| Est. Birth Year | ~1908 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Gladys Chapman | Daughter | — | 15 | ~1925 |
| Edna Chapman | Daughter | — | 20 | ~1920 |
| Charles Chapman | Head | — | 58 | ~1882 |
| James Chapman | Son | — | 32 | ~1908 |
| Dale Chapman | Son | — | 21 | ~1919 |
| Loella Chapman | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Ashtabula, Ohio
Son, age 11
Ashtabula, Ohio · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Ashtabula, Ohio
Son, age 22
Ashtabula, Ohio · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | James C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Ashtabula-County, Ohio
Son, age 32
Ashtabula-County, Ohio · implied b. ~1908 — 6 household members
| Surname | Chapman |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Ashtabula city |
| 1935 Residence (County) | Ashtabula |
| Occupation | policeman |
| Industry | city force |
| Class of Worker | GW |
| Hours Worked | 54 |
| Income (1939) | 1800 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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: father Charles Chapman (~0.92 confidence) and mother Loella Chapman (~0.92 confidence) and mother Luella Chapman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Chapman
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Loella Chapman
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Luella Chapman
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Chapman
Son · 1940 · age 32 · b. ~1908 · Ohio
★ You are viewing this record
Sibling
Edna Chapman
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Chapman
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Chapman
Sibling · 1940 · age 21
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 — Ashtabula-County, Ohio
Open full size
1940 US Federal Census — Ashtabula-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03023-00127)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Oliver Hyyppa | 26 | Head | Bus Driver | Ohio |
| 2 | Aili Hyyppa | 22 | Wife | — | Ohio |
| 3 | Roger Hyyppa | 1 | Son | — | Ohio |
| 4 | Carroll Newcomb | 31 | Head | Salesman | Ohio |
| 5 | Alice Newcomb | 32 | Wife | — | Pennsylvania |
| 6 | Clara Alford | 48 | Head | School Teacher | Ohio |
| 7 | Harvey Alford | 15 | Son | — | Ohio |
| 8 | Libbell Alford | 79 | Mother | — | Ohio |
| 9 | Charles Chapman | 58 | Head | Fisherman | Ohio |
| 10 | Loella Chapman | 52 | Wife | — | Ohio |
| 11 | James Chapman THIS PERSON | 32 | Son | Policeman | Ohio |
| 12 | Dale Chapman | 21 | Son | Printer | Ohio |
| 13 | Edna Chapman | 20 | Daughter | Sanding | Ohio |
| 14 | Gladys Chapman | 15 | Daughter | — | Ohio |
| 15 | Joseph Kane | 39 | Head | Foreman | Ohio |
| 16 | Ruth Kane | 38 | Wife | — | Ohio |
| 17 | Mary F. Kane | 17 | Daughter | — | Ohio |
| 18 | John Kane | 11 | Son | — | Ohio |
| 19 | John Palkinen | 62 | Head | Car Knocker | Finland |
| 20 | Lena Palkinen | 62 | Wife | — | Finland |
| 21 | Matt Palkinen | 26 | Son | Chaser | Ohio |
| 22 | Edward Palkinen | 20 | Son | — | Ohio |
| 23 | Veikko Palkinen | 18 | Son | — | Ohio |
| 24 | Yelmar Niemi | 64 | Head | Laborer | Finland |
| 25 | Hannah Niemi | 57 | Wife | — | Finland |
| 26 | William Niemi | 27 | Son | Packer | Ohio |
| 27 | Vern Niemi | 24 | Son | Packer | Ohio |
| 28 | Raymond Niemi | 15 | Son | — | Ohio |
| 29 | Matt Paavola | 62 | Head | Riding Coal Cars | Finland |
| 30 | Susannah Paavola | 54 | Wife | — | Finland |
| 31 | Reuben Paavola | 23 | Son | Layer Linoleum | Ohio |
| 32 | John Huhtila | 53 | Head | — | Finland |
| 33 | Hilma Huhtila | 53 | Wife | Sewing | Finland |
| 34 | Edward Tienvere | 51 | Head | Bolter | Finland |
| 35 | Ino Tienvere | 48 | Wife | — | Finland |
| 36 | Hazel Murchick | 23 | Daughter | — | Ohio |
| 37 | Michael Murchick | 23 | Son-in-law | Laborer | Ohio |
| 38 | John Jokilehto | 42 | Head | Acetylene Burner | Ohio |
| 39 | Ina E. Jokilehto | 38 | Wife | — | Ohio |
| 40 | John I. Jokilehto | 10 | Son | — | Ohio |
Related Census Records
Pedigree Summary
James + 3 siblings
Gen 1 · 3 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)