JC
James Chapman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Knox-County, Tennessee
Our Model Tree links this James Chapman across the 1920, 1930 and 1940 US Censuses in Knox-County, Tennessee (XGBoost, ~Confirmed), with identified parents Peter & Pete — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Tennessee |
| Surname | Chapman |
| Given Name | James C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville (City) |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | Laborer |
| Industry | Metals mfg. |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 144 |
| Highest Grade | H-2 |
| 1935 Residence | Same House |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Laborer |
| Township / Ward | Knoxville City |
| Est. Birth Year | ~1917 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Pete Chapman | Head | — | 75 | ~1865 |
| James Chapman | Son | — | 23 | ~1917 |
| Floyd Chapman | Son | — | 19 | ~1921 |
| Sally Chapman | Spouse | — | 70 | ~1870 |
Census Appearances
1920
Knox, Tennessee
Son, age 2
Knox, Tennessee · implied b. ~1918 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Alabama |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Knox, Tennessee
Son, age 13
Knox, Tennessee · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Virginia |
| Occupation | Butcher |
| Industry | Abattoir |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Knox-County, Tennessee
Son, age 23
Knox-County, Tennessee · implied b. ~1917 — 4 household members
| Surname | Chapman |
| Given Name | James C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville (City) |
| 1935 Residence (County) | Knox |
| Occupation | Laborer |
| Industry | Metals mfg. |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 144 |
| Highest Grade | H-2 |
| 1935 Residence | Same House |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Peter Chapman (~0.92 confidence) and father Pete Chapman (~0.92 confidence) and mother Sally Chapman (~0.92 confidence) and father Pete Chapman (~0.92 confidence) and mother Sallie Chapman (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Chapman
b. ~1863
Source father
● Household
· direct · ~0.92
Father
Pete Chapman
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Sally Chapman
b. ~1870
Source mother
● Household
· direct · ~0.92
Father
Pete Chapman
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Sallie Chapman
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Chapman
Son · 1940 · age 23 · b. ~1917 · Tennessee
★ You are viewing this record
Sibling
Floyd Chapman
Sibling · 1940 · age 19
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 — Knox-County, Tennessee
Open full size
1940 US Federal Census — Knox-County, Tennessee
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03958-00662)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Allie L. Vernon | 21 | Wife | — | Tennessee |
| 42 | Edward Chapman | 42 | Head | Laborer | Tennessee |
| 43 | Ida D. Chapman | 37 | Wife | Maid | S. Carolina |
| 44 | Guy C. Llewellyn | 38 | Head | Daufer | Tennessee |
| 45 | Ruby E. Llewellyn | 33 | Wife | — | Tennessee |
| 46 | Minnie R. Llewellyn | 9 | Daughter | — | Tennessee |
| 47 | Flora D. Smith | 39 | Niece | House Keeper | Tennessee |
| 48 | Lena M. Hair | 47 | Head | — | Switzerland |
| 49 | Ralph D. Porter | 40 | Head | Leach Puller | Tennessee |
| 50 | Susie L. Porter | 38 | Wife | House Keeper | Tennessee |
| 51 | Clifford Stillard | 13 | Nephew | — | Tennessee |
| 52 | Willie D. Stillard | 12 | Niece | — | Tennessee |
| 54 | Pete C. Chapman | 75 | Head | — | Tennessee |
| 55 | Sally Chapman | 70 | Wife | — | Virginia |
| 56 | James C. Chapman THIS PERSON | 23 | Son | Laborer | Tennessee |
| 57 | Floyd Chapman | 19 | Son | New Worker | Tennessee |
| 58 | Earl Matthews | 35 | Head | Laborer | Tennessee |
| 59 | Louise D. Matthews | 31 | Wife | Maid | Tennessee |
| 60 | George W. Matthews | 14 | Son | — | Tennessee |
| 61 | Ruby M. Matthews | 10 | Daughter | — | Tennessee |
| 62 | Mildred Matthews | 2 | Daughter | — | Tennessee |
| 63 | Eugene D. Webb | 22 | Head | Truck Driver | Tennessee |
| 64 | Bertha A. Webb | 23 | Wife | — | Tennessee |
| 65 | Wilma J. Webb | 0 | Daughter | — | Tennessee |
| 66 | Hubert H. Mcclain | 32 | Head | Time Keeper | Tennessee |
| 67 | Anna M. Mcclain | 29 | Wife | — | Tennessee |
| 68 | Robert H. Mcclain | 9 | Son | — | Tennessee |
| 69 | Betty J. Mcclain | 4 | Daughter | — | Tennessee |
| 70 | Patsy D. Mcclain | 2 | Daughter | — | Tennessee |
| 71 | Nettie E. Mcclain | 0 | Daughter | — | Tennessee |
| 72 | John E. Mcclain | 59 | Head | Fireman | Tennessee |
| 73 | Nettie M. Mcclain | 54 | Wife | — | Tennessee |
| 74 | Lee R. Mcclain | 15 | Son | — | Tennessee |
| 75 | Hollis O. Mcclain | 10 | Son | — | Tennessee |
| 76 | James E. Webb | 55 | Head | Boiler Maker | N. Carolina |
| 77 | Maggie Webb | 52 | Wife | — | Tennessee |
| 78 | Bertha L. Webb | 15 | Daughter | — | Tennessee |
| 80 | Joel E. Cooper | 64 | Head | — | Tennessee |
Pedigree Summary
James + 1 sibling
Gen 1 · 5 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)