JC
James Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Nelson-County, Kentucky
Our Model Tree links this James Clark across the 1920, 1930 and 1940 US Censuses in Nelson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Willie & William — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Nelson-County, Kentucky |
| Surname | Clark |
| Given Name | James R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District #1 |
| 1935 Residence (County) | Nelson |
| Additional Details | |
| Occupation | Carpenter |
| Industry | C. C. C. |
| Class of Worker | GW |
| Hours Worked | 34 |
| Income (1939) | 240 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Carpenter |
| Township / Ward | Magisterial District 1 |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Mary Clark | Daughter | — | 13 | ~1927 |
| Alta Clark | Head | — | 45 | ~1895 |
| James Clark | Son | — | 23 | ~1917 |
| Gerald Clark | Son | — | 10 | ~1930 |
| Benedict Clark | Son | — | 18 | ~1922 |
Census Appearances
1920
Nelson, Kentucky
Son, age 4
Nelson, Kentucky · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | No |
| Can Write | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Nelson, Kentucky
Son, age 15
Nelson, Kentucky · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Nelson-County, Kentucky
Son, age 23
Nelson-County, Kentucky · implied b. ~1917 — 5 household members
| Surname | Clark |
| Given Name | James R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District #1 |
| 1935 Residence (County) | Nelson |
| Occupation | Carpenter |
| Industry | C. C. C. |
| Class of Worker | GW |
| Hours Worked | 34 |
| Income (1939) | 240 |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Willie Clark (~0.92 confidence) and father William Clark (~0.92 confidence) and mother Frances Clark (~0.92 confidence) and mother Alta Clark (~0.92 confidence) and mother Mary Clark (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Willie Clark
b. ~1879
Source father
● Household
· direct · ~0.92
Father
William Clark
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Frances Clark
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Alta Clark
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Mary Clark
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Clark
Son · 1940 · age 23 · b. ~1917 · Kentucky
★ You are viewing this record
Sibling
Mary Clark
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Clark
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benedict Clark
Sibling · 1940 · age 18
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 — Nelson-County, Kentucky
Open full size
1940 US Federal Census — Nelson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01345-00040)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J. D. Brown | 11 | Son | — | Kentucky |
| 2 | Roy Brown | 10 | Son | — | Kentucky |
| 3 | James Brown | 8 | Son | — | Kentucky |
| 4 | Thomas Brown | 6 | Son | — | Kentucky |
| 5 | Cecelia A. Brown | 4 | Daughter | — | Kentucky |
| 6 | Lucille Brown | 1 | Daughter | — | Kentucky |
| 7 | Annie Mcdaniel | 66 | Head | — | Kentucky |
| 8 | J. H. Mcdaniel | 25 | Head | — | Kentucky |
| 9 | Josephine Mcdaniel | 26 | Wife | — | Kentucky |
| 10 | Alta Clark | 45 | Head | — | Kentucky |
| 11 | James R. Clark THIS PERSON | 23 | Son | Carpenter | Kentucky |
| 12 | Benedict Clark | 18 | Son | New Worker | Kentucky |
| 13 | Mary C. Clark | 13 | Daughter | — | Kentucky |
| 14 | Gerald Clark | 10 | Son | — | Kentucky |
| 15 | J. B. Jr. Head | 33 | Head | Assistant Superintendent | Kentucky |
| 16 | Alice Head | 31 | Wife | — | Kentucky |
| 17 | Janice Head | 7 | Daughter | — | Kentucky |
| 18 | T. E. Moore | 60 | Head | Station Agent | Kentucky |
| 19 | Mary B. Moore | 60 | Wife | — | Kentucky |
| 20 | Thomas P. Moore | 19 | Son | — | Kentucky |
| 21 | Nancy Lant | 22 | Daughter | Mail Carrier | Kentucky |
| 22 | John W. Wallace | 24 | Son in law | Laborer | Kentucky |
| 23 | Fernand Wallace | 23 | Daughter | — | Kentucky |
| 24 | Ramey Pottinger | 61 | Head | Farming | Kentucky |
| 25 | Lula Pottinger | 43 | Wife | — | Kentucky |
| 26 | Ruby Pottinger | 20 | Daughter | Helper | Kentucky |
| 27 | Butler Pottinger | 15 | Son | Laborer | Kentucky |
| 28 | Paul Pottinger | 16 | Son | — | Kentucky |
| 29 | Eugene Pottinger | 12 | Son | — | Kentucky |
| 30 | Ernest Pottinger | 9 | Son | — | Kentucky |
| 31 | Victor Boone | 66 | Head | Farming | Kentucky |
| 32 | Mary Willie Boone | 66 | Wife | — | Kentucky |
| 33 | Elizabeth Boone | 29 | Daughter | Helper | Kentucky |
| 34 | Jessie Boone | 26 | Daughter | Bottling | Kentucky |
| 35 | Elberta Boone | 24 | Daughter | New Worker | Kentucky |
| 36 | Cathleen Boone | 22 | Daughter | Bottling | Kentucky |
| 37 | David Boone | 31 | Head | Warehouse Foreman | Kentucky |
| 38 | Essie May Boone | 23 | Wife | — | Kentucky |
| 39 | Mary L. Boone | 2 | Daughter | — | Kentucky |
| 40 | James Blair | 43 | Head | Merchant | Kentucky |
Pedigree Summary
James + 3 siblings
Gen 1 · 5 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)