JC
John Chapman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Orleans-County, Louisiana
Our Model Tree links this John Chapman across the 1920, 1930 and 1940 US Censuses in Orleans-County, Louisiana (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 7-person household.
Age 50
b. ~1890
Male
Head
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Orleans-County, Louisiana |
| Surname | Chapman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 600 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Carpenter |
| Township / Ward | New Orleans City |
| Est. Birth Year | ~1890 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Chapman | Daughter | — | 8 | ~1932 |
| Gladys Chapman | Daughter | — | 18 | ~1922 |
| John Chapman | Head | — | 50 | ~1890 |
| James Chapman | Son | — | 25 | ~1915 |
| Nathaniel Chapman | Son | — | 23 | ~1917 |
| Arthur Chapman | Son | — | 21 | ~1919 |
| Rebecca Chapman | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Orleans, Louisiana
Head, age 31
Orleans, Louisiana · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Asphalt |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Orleans, Louisiana
Head, age 43
Orleans, Louisiana · implied b. ~1887 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chapman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 21 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Industry | Freight Wharf |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | $1500 |
| Radio Set | no |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Orleans-County, Louisiana
Head, age 50
Orleans-County, Louisiana · implied b. ~1890 — 7 household members
| Surname | Chapman |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans |
| Occupation | Carpenter |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 600 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 50 · b. ~1890 · Louisiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Orleans-County, Louisiana
Open full size
1940 US Federal Census — Orleans-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01424-00062)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Starr | 14 | Son | — | Louisiana |
| 42 | Stanley Starr | 11 | Son | — | Louisiana |
| 43 | Warren Starr | 8 | Son | — | Louisiana |
| 44 | William Jr. Starr | 1 | Son | — | Louisiana |
| 45 | John Chapman THIS PERSON | 50 | Head | Carpenter | Louisiana |
| 46 | Rebecca Chapman | 45 | Wife | Servant | Louisiana |
| 47 | James Chapman | 25 | Son | Presser | Louisiana |
| 48 | Nathaniel Chapman | 23 | Son | Presser | Louisiana |
| 49 | Arthur Chapman | 21 | Son | Clerk | Louisiana |
| 50 | Gladys Chapman | 18 | Daughter | — | Louisiana |
| 51 | Mary Chapman | 8 | Daughter | — | Louisiana |
| 52 | Albert Herzeau | 53 | Head | Fireman | Louisiana |
| 53 | Mary A. Herzeau | 43 | Wife | — | Louisiana |
| 54 | Marie Herzeau | 16 | Daughter | — | Louisiana |
| 55 | Evelyn Herzeau | 15 | Daughter | — | Louisiana |
| 56 | Albert Jr. Herzeau | 13 | Son | — | Louisiana |
| 57 | August Tuseteri | 26 | Head | Polisher | Louisiana |
| 58 | Noile Tuseteri | 27 | Wife | — | Louisiana |
| 59 | Earl Graham | 27 | Boarder | — | Louisiana |
| 60 | Joseph Roniglio | 31 | Father | Barber | Louisiana |
| 61 | Frances Roniglio | 28 | Sister | — | Louisiana |
| 62 | Camella Roniglio | 6 | Niece | — | Louisiana |
| 63 | Lucien Roniglio | 4 | Nephew | — | Louisiana |
| 64 | William Domm | 48 | Head | Salesman | Louisiana |
| 65 | Myrtle Domm | 43 | Wife | — | Louisiana |
| 66 | Emerzia Domm | 14 | Daughter | — | Louisiana |
| 67 | Gerilea Domm | 10 | Daughter | — | Louisiana |
| 68 | Samuel Need | 37 | Head | Truck Driver | Louisiana |
| 69 | Hazel P. Need | 35 | Wife | — | Louisiana |
| 70 | Allen Need | 16 | Daughter | New Worker | Louisiana |
| 71 | Lorraine Need | 13 | Daughter | — | Louisiana |
| 72 | Franklin Need | 11 | Son | — | Louisiana |
| 73 | Patricia Need | 9 | Daughter | — | Louisiana |
| 74 | William Need | 7 | Son | — | Louisiana |
| 75 | Samuel L. Jr. Need | 4 | Son | — | Louisiana |
| 76 | Beverly Need | 3 | Daughter | — | Louisiana |
| 77 | Roy Need | 2 | Son | — | Louisiana |
| 78 | Effie James | 47 | Head | Teacher | Louisiana |
| 79 | Arlos James | 18 | Son | New Worker | Louisiana |
| 80 | Robert Simon | 27 | Head | Laborer | Louisiana |
Related Census Records
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)