JD
John Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Orleans-County, Louisiana
Our Model Tree links this John Davis across the 1920, 1930 and 1940 US Censuses in Orleans-County, Louisiana (XGBoost, ~Confirmed), with identified parents Viola & Ada — first a son (b.~1912), then head of a 5-person household.
Age 28
b. ~1912
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Orleans-County, Louisiana |
| Surname | Davis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans Parish |
| Additional Details | |
| Occupation | Stable Boy |
| Industry | Race Track |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 188 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Stable Boy |
| Township / Ward | New Orleans City |
| Est. Birth Year | ~1912 |
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 |
|---|---|---|---|---|
| Evana Martin | Daughter | — | 24 | ~1916 |
| Viola Davis | Head | — | 52 | ~1888 |
| Washington Martin | Other | — | 28 | ~1912 |
| John Davis | Son | — | 28 | ~1912 |
| James Johnson | Son | — | 22 | ~1918 |
Census Appearances
1920
Orleans, Louisiana
Son, age 6
Orleans, Louisiana · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Orleans, Louisiana
Son, age 18
Orleans, Louisiana · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Washer |
| Industry | Pressing Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Orleans-County, Louisiana
Son, age 28
Orleans-County, Louisiana · implied b. ~1912 — 5 household members
| Surname | Davis |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans Parish |
| Occupation | Stable Boy |
| Industry | Race Track |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 188 |
| Highest Grade | No 6 |
| 1935 Residence | Same House |
| 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 Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Viola Davis (~0.92 confidence) and mother Ada Davis (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Viola Davis
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Ada Davis
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Davis
Son · 1940 · age 28 · b. ~1912 · Louisiana
★ You are viewing this record
Sibling
James Johnson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evana Martin
Sibling · 1940 · age 24
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 — 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-t0627-01432-00557)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruby Fulton | 46 | Head | Cook | Kentucky |
| 42 | Sally Fulton | 52 | Sister | Cook | Kentucky |
| 43 | Eddy Fulton | 50 | Husband | Handyman | Kentucky |
| 44 | Joseph Alder | 36 | Head | Longshoreman | Louisiana |
| 45 | Viola Alder | 24 | Wife | Houseworker | Texas |
| 46 | Herbert Pierce | 35 | Head | Chauffeur | Louisiana |
| 47 | Gertrude Pierce | 33 | Wife | Cook | Louisiana |
| 48 | Arthur Johnson | 42 | Head | Houseworker | N. Carolina |
| 49 | Hazel Johnson | 42 | Wife | Maid | Louisiana |
| 50 | Arthur Jr. Johnson | 8 | Son | — | Louisiana |
| 51 | Ernest Louis | 65 | Head | Cook | Louisiana |
| 52 | Andrew Batiste | 34 | Head | Chauffeur | Louisiana |
| 53 | Inez Batiste | 22 | Wife | Cook | Louisiana |
| 54 | David Barnes | 27 | Head | Chauffeur | Louisiana |
| 55 | Willie Barnes | 23 | Wife | Cook | Louisiana |
| 56 | Amelia Rivers | 43 | Head | Cook | Louisiana |
| 57 | Rohedia | Rohelia Rivers | 17 | Niece | Laundress | Louisiana |
| 58 | Webster, Irma Rivers | 15 | Lodger | Maid | Louisiana |
| 59 | Martha Charlton | 44 | Head | Housekeeper | Louisiana |
| 60 | Charlie Charlton | 21 | Son | Delivery Boy | Louisiana |
| 61 | Camile Washington | 35 | Head | Maid | Louisiana |
| 62 | Samuel Jones | 38 | Head | Laborer | Mississippi |
| 63 | Caroline Jones | 39 | Wife | Cook | Louisiana |
| 64 | Robert Stewart | 41 | Head | Chauffeur | Mississippi |
| 65 | Bessie Stewart | 40 | Wife | Cook | Georgia |
| 66 | Albert Daniels | 40 | Head | Chauffeur | Louisiana |
| 67 | Rose Daniels | 38 | Wife | Cook | Louisiana |
| 68 | Albert Jr. Daniels | 20 | Son | Houseworker | Louisiana |
| 69 | Marie Price | 35 | Head | Nurse | Louisiana |
| 70 | Rosa Green | 56 | Mother | — | Louisiana |
| 71 | John Charles | 36 | Head | Truck Driver | Louisiana |
| 72 | Ruby Charles | 34 | Wife | Cook | Louisiana |
| 73 | Bessie Charles | 13 | Daughter | — | Louisiana |
| 74 | Anna Woods | 50 | Head | Cook | Louisiana |
| 75 | John Woods | 16 | Grandson | — | Louisiana |
| 76 | Viola Davis | 52 | Head | Maid | Louisiana |
| 77 | John Davis THIS PERSON | 28 | Son | Stable Boy | Louisiana |
| 78 | James T. Johnson | 22 | Son | Flight Delivery | Louisiana |
| 79 | Evana Martin | 24 | Daughter | Houseworker | Louisiana |
| 80 | Washington Martin | 28 | Son-in-law | — | Louisiana |
Pedigree Summary
John + 2 siblings
Gen 1 · 2 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)