MC
Marion Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Marion Clark across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents George & Joseph — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Clark |
| Given Name | Marion West |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Educator |
| Industry | School |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 780 |
| Highest Grade | No 4 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Educator |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1914 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marion | Age | Birth yr |
|---|---|---|---|---|
| Clara Clark | Spouse | — | 65 | ~1875 |
| William Clark | Son | — | 34 | ~1906 |
| Marion Clark | Son | — | 26 | ~1914 |
| Peter Clark | Head | — | 65 | ~1875 |
Census Appearances
1920
Jefferson, Kentucky
Son, age 7
Jefferson, Kentucky · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Mabel |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
Son, age 16
Jefferson, Kentucky · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Mabel P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| 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
Jefferson-County, Kentucky
Son, age 26
Jefferson-County, Kentucky · implied b. ~1914 — 4 household members
| Surname | Clark |
| Given Name | Marion West |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | Educator |
| Industry | School |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 780 |
| Highest Grade | No 4 |
| 1935 Residence | Kentucky |
| 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 Marion Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Clark (~0.92 confidence) and father Joseph Clark (~0.92 confidence) and father Peter Clark (~0.92 confidence) and mother Clara Clark (~0.92 confidence) and mother Elda Clark (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Clark
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Joseph Clark
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Peter Clark
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Clara Clark
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Elda Clark
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Marion Clark
Son · 1940 · age 26 · b. ~1914 · Kentucky
★ You are viewing this record
Sibling
William Clark
Sibling · 1940 · age 34
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, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01370-00398)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louise Marshahhouse | 55 | Head | Executive | Kentucky |
| 2 | Robert Sauer | None | Extra Line | — | — |
| 3 | Bernadine Connolly | 35 | Head | Secretary | Kentucky |
| 4 | Perry Meers | 45 | Head | Scale Technician | Kentucky |
| 5 | Elmer B. Eastes | 61 | Head | Innkeeper | Kentucky |
| 6 | Angie P. Eastes | 53 | Wife | Housekeeper | Kentucky |
| 7 | Thomas A. Eastes | 22 | Son | Banker | Kentucky |
| 8 | Ida E. Parkins | 25 | Daughter | Saleslady | Indiana |
| 9 | Erwin Robinson | 40 | Lodger | Teacher | Kentucky |
| 10 | Mary S. Winnie | 63 | Lodger | Branch Manager | Kentucky |
| 11 | Camilla Taylor | None | Extra Line | — | — |
| 12 | David Mccandless | 34 | Lodger | Attorney | Kentucky |
| 13 | Freeman Gilbert | 48 | Lodger | Credit Examiner | Tennessee |
| 14 | Emma Stern | 78 | Lodger | — | Germany |
| 15 | Charles Mason | 24 | Lodger | Sales Engineer | Canada-English |
| 16 | Helen Speed | None | Extra Line | — | — |
| 17 | Bertha Harthill | 80 | Lodger | — | New York |
| 18 | Mary Malloy | 48 | Lodger | Deputy Collector | Kentucky |
| 19 | William H. Burton | 40 | Lodger | Construction Engineer | Kentucky |
| 20 | William D. Kelly | 36 | Lodger | Construction Engineer | Kentucky |
| 21 | Peter Webster Clark | 65 | Head | Educator | Delaware |
| 22 | Clara Adair Clark | 65 | Wife | — | Ohio |
| 23 | William Ashton Clark | 34 | Son | Educator | Ohio |
| 24 | Marion West Clark THIS PERSON | 26 | Son | Educator | Kentucky |
| 25 | Carrie Hart Wiginton | 45 | Head | Clerk | Kentucky |
| 26 | Corrie B. Wiginton | 83 | Mother | — | Kentucky |
| 27 | Harold N. Dillard | 21 | Lodger | Assistant Accountant | Kentucky |
| 28 | Evelyn Williams | 19 | Lodger | Secretary | Kentucky |
| 29 | Norma Carwile | 23 | Lodger | Secretary | Ohio |
| 30 | Otto D. Rhame | 23 | Lodger | Bookkeeper | South Carolina |
| 31 | James Mctamany | 45 | Head | Sales Engineer | New York |
| 32 | Helen Mctamany | 42 | Wife | — | Ohio |
| 33 | Emma Gwaltney | 77 | Head | — | Kentucky |
| 34 | Guy Gwaltney | 48 | Son | — | Tennessee |
| 35 | Margie Gwaltney | 46 | Daughter | Saleslady | Kentucky |
| 36 | Lottie Gwaltney | 38 | Daughter | Teacher | Kentucky |
| 37 | Beverley Hutcheson | 32 | Son | Clerk | Kentucky |
| 38 | Joel Huchett | 56 | Head | Attorney | Tennessee |
| 39 | Maude Huchett | 49 | Wife | Secretary | Tennessee |
| 40 | Josephine Huchett | 24 | Daughter | — | Tennessee |
Related Census Records
Pedigree Summary
Marion + 1 sibling
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)