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John Chapman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this John Chapman across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a head (b.~1896), then head of a 5-person household.
Age 44
b. ~1896
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Chapman |
| Given Name | John M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Servant |
| Industry | Private |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 520 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Servant |
| Township / Ward | Birmingham City |
| Est. Birth Year | ~1896 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ruth Chapman | Daughter | — | 21 | ~1919 |
| John Chapman | Head | — | 44 | ~1896 |
| Howard Chapman | Son | — | 13 | ~1927 |
| John Chapman | Son | — | 18 | ~1922 |
| Allen Chapman | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Jefferson, Alabama
Head, age 21
Jefferson, Alabama · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Laborer |
| Industry | Iron Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Head, age 34
Jefferson, Alabama · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | John M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 22 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | Sales Manager |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $100 |
| Veteran | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Head, age 44
Jefferson-County, Alabama · implied b. ~1896 — 5 household members
| Surname | Chapman |
| Given Name | John M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Jefferson |
| Occupation | Servant |
| Industry | Private |
| Class of Worker | PW |
| Hours Worked | 70 |
| Income (1939) | 520 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 John Chapman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Chapman
Head · 1940 · age 44 · b. ~1896 · Alabama
★ 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 — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00094-00369)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jonas Schwab | 80 | Head | — | Mississippi |
| 2 | Leah S Schwab | 68 | Wife | — | Maryland |
| 3 | Mary Cooley | 24 | Servant | — | Alabama |
| 4 | John M Chapman THIS PERSON | 44 | Head | Servant | Alabama |
| 5 | Allen R Chapman | 44 | Wife | Salesman | Alabama |
| 6 | Ruth Chapman | 21 | Daughter | Saleslady | Alabama |
| 7 | John Jr Chapman | 18 | Son | Secretary | Alabama |
| 8 | Howard Chapman | 13 | Son | Salesman | Alabama |
| 9 | Bruce A Gibson | 51 | Head | — | New York |
| 10 | Lulu P Gibson | 50 | Wife | Special Agent | Ohio |
| 11 | Bruce A Jr Gibson | 21 | Son | — | Tennessee |
| 12 | Jean Gibson | 18 | Daughter | Salesman | Tennessee |
| 13 | George T Magee | 40 | Head | — | Alabama |
| 14 | Louise Magee | 38 | Wife | Freight Agent | Alabama |
| 15 | Evelyn Magee | 17 | Daughter | — | Alabama |
| 16 | C E Armstrong | 56 | Head | — | Ohio |
| 17 | Annie L Armstrong | 56 | Wife | City Comptroller | Ohio |
| 18 | William Hensley | 60 | Head | — | Tennessee |
| 19 | Victoria Hensley | 55 | Wife | — | Canada |
| 20 | Gladys Hensley | 25 | Daughter | Lodging House Keeper | Alabama |
| 21 | Hazel Hensley | 30 | Daughter | — | Alabama |
| 22 | Riba Hensley | 19 | Daughter | — | Alabama |
| 23 | Betty Hensley | 16 | Daughter | — | Alabama |
| 24 | J C Hensley | 21 | Son | — | Tennessee |
| 25 | Boyd A Crosthwait | 27 | Lodger | Salesman | Mississippi |
| 26 | Kathleen Crosthwait | 25 | Lodger | Salesman | Tennessee |
| 27 | Dorothy Mckee | 30 | Lodger | — | Alabama |
| 28 | Minnie Pearl Frey | 32 | Lodger | Clerk | Alabama |
| 29 | Estelle Jackson | 26 | Lodger | Clerk | Alabama |
| 30 | Augusta Tate | 35 | Lodger | Stenographer | Alabama |
| 31 | Evelyn F Thayer | 20 | Lodger | Stenographer | South Carolina |
| 32 | Clarence Spang | 30 | Lodger | Stenographer | Pennsylvania |
| 33 | Charles Burdette | 26 | Lodger | Brick Mason | Alabama |
| 34 | M Y Dabney | 55 | Head | Chemist | Mississippi |
| 35 | Eugenia Dabney | 45 | Wife | Medical Doctor | Georgia |
| 36 | Sarah Dabney | 19 | Daughter | — | Alabama |
| 37 | Eugenia Dabney | 17 | Daughter | — | Alabama |
| 38 | Aurelia Dabney | 10 | Daughter | — | Alabama |
| 39 | Charles Brown | 48 | Head | Lawyer | Tennessee |
| 40 | Maria S Brown | 38 | Wife | — | Georgia |
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)