JW
James Warren — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this James Warren across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents John & James — first a son (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Warren |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Industry | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1920 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Louella Warren | Daughter | — | 22 | ~1918 |
| James Warren | Head | — | 53 | ~1887 |
| James Warren | Son | — | 20 | ~1920 |
| James Provitt | Son | — | 3 | ~1937 |
| Anna Warren | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Hamilton, Ohio
Son, age
Hamilton, Ohio · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Warren |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Kentucky |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 10
Hamilton, Ohio · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Warren |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Son, age 20
Hamilton-County, Ohio · implied b. ~1920 — 5 household members
| Surname | Warren |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Industry | 0 |
| Highest Grade | C 2 |
| 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 Warren across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Warren (~0.92 confidence) and father James Warren (~0.92 confidence) and mother Leona Warren (~0.92 confidence) and father James Warren (~0.92 confidence) and mother Anna Warren (~0.92 confidence) and mother Anna Warren (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Warren
b. ~1884
Source father
● Household
· direct · ~0.92
Father
James Warren
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Leona Warren
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
James Warren
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Anna Warren
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Anna Warren
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Warren
Son · 1940 · age 20 · b. ~1920 · Ohio
★ You are viewing this record
Sibling
James Provitt
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louella Warren
Sibling · 1940 · age 22
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 — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03197-00353)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Warren | 53 | Head | Horseman | Ohio |
| 42 | Anna Warren | 44 | Wife | — | Kentucky |
| 43 | Louella Warren | 22 | Daughter | Bookkeeper | Kentucky |
| 44 | James Jr. Warren THIS PERSON | 20 | Son | — | Ohio |
| 45 | James E. Provitt | 3 | Son | — | Ohio |
| 46 | Henry Hale | 38 | Head | Laborer | Alabama |
| 47 | Bulahlee Hale | 37 | Wife | — | Georgia |
| 48 | Hill Henry Billings | 28 | Son | — | Missouri |
| 49 | John Dorsey | 49 | Head | Trucker | Alabama |
| 50 | Margaret Dorsey | 50 | Wife | Cook | Alabama |
| 51 | John Dorsey | 22 | Son | — | Ohio |
| 52 | Adlie Jeffers | 30 | Head | — | Georgia |
| 53 | Robert Jeffers | 21 | Son | Laborer | Georgia |
| 54 | Thomas Jr. Nickols | 72 | Father | — | Georgia |
| 55 | Hattie Nickols | 71 | Mother | — | Georgia |
| 56 | Benjamin Williams | 22 | Head | Butcher | Ohio |
| 57 | Hattie Mae Williams | 19 | Wife | — | Alabama |
| 58 | Phyllis Williams | 0 | Daughter | — | Ohio |
| 59 | Vest Croslon | 38 | Head | Machine Helper | Georgia |
| 60 | Rachel Croslon | 37 | Wife | — | Alabama |
| 61 | Charley James | 46 | Head | Laborer | Georgia |
| 62 | Rosie James | 40 | Wife | Laundress | Georgia |
| 63 | Samuel James | 24 | Son | — | Georgia |
| 64 | Ethel James | 19 | Daughter | Cook | Georgia |
| 65 | Samuel Jr. James | 5 | Son | — | Ohio |
| 66 | Ezell Spencer | 41 | Head | Laborer | Alabama |
| 67 | Sadie Spencer | 37 | Wife | — | Alabama |
| 68 | Albra Justis | 41 | Head | Iron Pourer | Alabama |
| 69 | Oneal Justis | 37 | Wife | — | Alabama |
| 70 | Jandeen Justis | 1 | Daughter | — | Ohio |
| 71 | Alminia Justis | 0 | Daughter | — | Ohio |
| 72 | Johnny Mack | 35 | Head | Laborer | Alabama |
| 73 | Marie Mack | 30 | Wife | — | Tennessee |
| 74 | M.C. Hubbard | 27 | Step-son | Laborer | Tennessee |
| 75 | James Bates | 35 | Head | Laborer | Alabama |
| 76 | Manuel Bates | 31 | Wife | — | Georgia |
| 77 | James Bates | 12 | Son | — | Alabama |
| 78 | Henry Bates | 10 | Son | — | Alabama |
| 79 | James Cash | 65 | Lodger | — | Georgia |
| 80 | John Benford | 38 | Head | Laborer | Georgia |
Pedigree Summary
James + 2 siblings
Gen 1 · 6 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)