JW
James Warren — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Joseph-County, Indiana
Our Model Tree links this James Warren across the 1930 and 1940 US Censuses in St.-Joseph-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Joseph-County, Indiana |
| Surname | Warren |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | South Bend |
| 1935 Residence (County) | St. Joseph |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | South Bend |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Ella Warren | Daughter | — | 11 | ~1929 |
| Minnie Warren | Daughter | — | 8 | ~1932 |
| Cora Warren | Daughter | — | 17 | ~1923 |
| Nettie Warren | Daughter | — | 4 | ~1936 |
| Howard Warren | Head | — | 39 | ~1901 |
| Alfred Warren | Son | — | 12 | ~1928 |
| James Warren | Son | — | 14 | ~1926 |
| Howard Warren | Son | — | 6 | ~1934 |
| Ivie Warren | Spouse | — | 44 | ~1896 |
Census Appearances
1930
St Joseph, …
Son, age 4
St Joseph, Indiana · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Warren |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Tennessee |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
St.-Joseph-County, Indiana
Son, age 14
St.-Joseph-County, Indiana · implied b. ~1926 — 9 household members
| Surname | Warren |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | South Bend |
| 1935 Residence (County) | St. Joseph |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Warren
Son · 1940 · age 14 · b. ~1926 · Indiana
★ You are viewing this record
Sibling
Minnie Warren
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cora Warren
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nettie Warren
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Warren
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Warren
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Warren
Sibling · 1940 · age 6
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 — St.-Joseph-County, Indiana
Open full size
1940 US Federal Census — St.-Joseph-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01133-00742)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elmore Morgan | 17 | Son | Car Washer | Alabama |
| 2 | Susie Lee Morgan | 15 | Daughter | — | Indiana |
| 3 | Roscoe Morgan | 10 | Son | — | Indiana |
| 4 | Charles R. Morgan | 8 | Son | — | Indiana |
| 5 | Eddie Morgan | 5 | Son | — | Indiana |
| 6 | Lillian Morgan | 2 | Daughter | — | Indiana |
| 7 | Wm. Wilder | 35 | Head | Tailor | Mississippi |
| 8 | Frances Wilder | 23 | Wife | — | Indiana |
| 9 | Beatrice Wilder | 2 | Daughter | — | Indiana |
| 10 | Weldon Pope | 34 | Head | Truck Driver | Mississippi |
| 11 | Corinne Pope | 30 | Wife | — | Mississippi |
| 12 | Weldon Pope | 6 | Son | — | Indiana |
| 13 | Hilton Mccallum | 39 | Head | Molder | Mississippi |
| 14 | Jean Mccallum | 36 | Wife | — | Mississippi |
| 15 | John Mccallum | 18 | Son | — | Indiana |
| 16 | Howard Warren | 39 | Head | Iron Puller | Louisiana |
| 17 | Ivie Warren | 44 | Wife | — | Tennessee |
| 18 | Cora Warren | 17 | Daughter | — | Tennessee |
| 19 | James Warren THIS PERSON | 14 | Son | — | Indiana |
| 20 | Alfred Warren | 12 | Son | — | Indiana |
| 21 | Ella Warren | 11 | Daughter | — | Indiana |
| 22 | Minnie Warren | 8 | Daughter | — | Indiana |
| 23 | Howard L. Warren | 6 | Son | — | Indiana |
| 24 | Nettie Marie Warren | 4 | Daughter | — | Indiana |
| 25 | Steve Chezar | 52 | Head | Watchman | Hungary |
| 26 | Mary Chezar | 50 | Wife | Dipper | Hungary |
| 27 | Bill Chezar | 23 | Son | Grinder | Indiana |
| 28 | Edward Bauchard | 61 | Head | Iron Pourer | Holland |
| 29 | Alice Bauchard | 57 | Wife | — | Holland |
| 30 | August Bauchard | 26 | Son | — | Indiana |
| 31 | Garfield J. Schue | 56 | Head | Minister | Kentucky |
| 32 | Pattie Schue | 56 | Wife | — | Tennessee |
| 33 | — | None | — | — | — |
| 34 | Lawrence Kaczorowski | 41 | Head | Manager | Poland |
| 35 | Shakowski, John | 45 | Lodger | Painter | Poland |
| 36 | Wojcik, Mike | 61 | Lodger | Filler | Poland |
| 37 | Joseph Potka | 49 | Head | Packer | Austria |
| 38 | Elizabeth Potka | 46 | Wife | — | Hungary |
| 39 | William Potka | 14 | Son | — | Indiana |
| 40 | Anna Potka | 10 | Daughter | — | Indiana |
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)