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James Black — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Kansas
Our Model Tree links this James Black across the 1930 and 1940 US Censuses in Jefferson-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 13-person household.
Age 14
b. ~1926
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kansas |
| Surname | Black |
| Given Name | James Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Jefferson |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Sarcoxie |
| 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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Wilma Black | Daughter | — | 17 | ~1923 |
| Doris Black | Daughter | — | 8 | ~1932 |
| Opal Black | Daughter | — | 12 | ~1928 |
| Shirley Black | Daughter | — | 2 | ~1938 |
| Idell Black | Head | — | 46 | ~1894 |
| Eldon Black | Son | — | 5 | ~1935 |
| Dale Black | Son | — | 19 | ~1921 |
| Jerry Black | Son | — | ~1940 | |
| Kenneth Black | Son | — | 20 | ~1920 |
| Lloyd Black | Son | — | 15 | ~1925 |
| James Black | Son | — | 14 | ~1926 |
| Robert Black | Son | — | 11 | ~1929 |
| Kate Black | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Jefferson, Kansas
Son, age 4
Jefferson, Kansas · implied b. ~1926 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Jefferson-County, Kansas
Son, age 14
Jefferson-County, Kansas · implied b. ~1926 — 13 household members
| Surname | Black |
| Given Name | James Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Jefferson |
| Industry | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Black across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Black
Son · 1940 · age 14 · b. ~1926 · Kansas
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Sibling
Eldon Black
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Black
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Black
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilma Black
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerry Black
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Black
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Black
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Opal Black
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Black
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Black
Sibling · 1940 · age 15
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 — Jefferson-County, Kansas
Open full size
1940 US Federal Census — Jefferson-County, Kansas
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-01236-00312)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Siefert | 21 | Hired | Labourer | Kansas |
| 2 | William M. Mishap | Mishak | 35 | Head | Truck Driver | Kansas |
| 3 | Lillian Mishap | Mishak | 20 | Wife | — | South Dakota |
| 4 | Dan Franklin Mishap | Mishak | 3 | Son | — | Kansas |
| 5 | Charles M. Stewart | 37 | Head | Farmer | Kansas |
| 6 | Claribell M. Stewart | 35 | Wife | — | Kansas |
| 7 | Shirley Joan Stewart | 12 | Daughter | — | Kansas |
| 8 | Charles Curtis Stewart | 10 | Son | — | Kansas |
| 9 | Marjorie Ruth Stewart | 9 | Daughter | — | Kansas |
| 10 | Eliza Stewart | 70 | Head | — | England |
| 11 | Fred Magee | 24 | Head | Labourer | Kansas |
| 12 | Gloria Magee | 20 | Wife | — | Kansas |
| 13 | Edward Petrie | 43 | Head | Farmer | Kansas |
| 14 | Mildred M. Petrie | 30 | Wife | — | Kansas |
| 15 | Francis Edward Petrie | 12 | Son | — | Kansas |
| 16 | Lucille Petrie | 8 | Daughter | — | Kansas |
| 17 | John Daniel Petrie | 3 | Son | — | Kansas |
| 18 | James Albert Petrie | 1 | Son | — | Kansas |
| 19 | Ralph Pentkin | Rankin | 42 | Head | Farmer | Kansas |
| 20 | Clair Cassady | 33 | Head | Farmer | Oklahoma |
| 21 | Ethel Cassady | 34 | Wife | — | Missouri |
| 22 | Viola Cassady | 18 | Daughter | — | Missouri |
| 23 | Harvey Ruby | 33 | Hired | Labourer | Kansas |
| 24 | Idell Black | 46 | Head | Farmer | Kansas |
| 25 | Kate Black | 43 | Wife | — | Kansas |
| 26 | Kenneth Black | 20 | Son | Labourer | Kansas |
| 27 | Dale Black | 19 | Son | — | Kansas |
| 28 | Wilma May Black | 17 | Daughter | — | Kansas |
| 29 | Lloyd Black | 15 | Son | — | Kansas |
| 30 | James Thomas Black THIS PERSON | 14 | Son | — | Kansas |
| 31 | Opal Black | 12 | Daughter | — | Kansas |
| 32 | Robert Black | 11 | Son | — | Kansas |
| 33 | Doris Black | 8 | Daughter | — | Kansas |
| 34 | Eldon Black | 5 | Son | — | Kansas |
| 35 | Shirley Black | 2 | Daughter | — | Kansas |
| 36 | Jerry Dee Black | 0 | Son | — | Kansas |
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)