RC
Robert Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marshall-County, West Virginia
Our Model Tree links this Robert Clark across the 1920, 1930 and 1940 US Censuses in Marshall-County, West Virginia (XGBoost, ~Confirmed), with identified parents Harry & Harry — first a son (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Male
Son
Born: West Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marshall-County, West Virginia |
| Surname | Clark |
| Given Name | Robert D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | McMechen City |
| 1935 Residence (County) | Marshall |
| Additional Details | |
| Occupation | Tally clerk |
| Industry | pipe mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Occupation | Tally Clerk |
| Township / Ward | Mcmechen City |
| Est. Birth Year | ~1916 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Nancy Clark | Daughter | — | 15 | ~1925 |
| Jean Clark | Daughter | — | 18 | ~1922 |
| Albert Clark | Head | — | 56 | ~1884 |
| John Clark | Son | — | 10 | ~1930 |
| Robert Clark | Son | — | 24 | ~1916 |
| Ella Clark | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Marshall, West …
Son, age 3
Marshall, West Virginia · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Robert D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1930
Marshall, West …
Son, age 14
Marshall, West Virginia · implied b. ~1916 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Marshall-County, West …
Son, age 24
Marshall-County, West Virginia · implied b. ~1916 — 6 household members
| Surname | Clark |
| Given Name | Robert D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | McMechen City |
| 1935 Residence (County) | Marshall |
| Occupation | Tally clerk |
| Industry | pipe mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
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 Robert Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Clark (~0.92 confidence) and father Harry Clark (~0.92 confidence) and father Albert Clark (~0.92 confidence) and mother Ella Clark (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Clark
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Harry Clark
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Albert Clark
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Ella Clark
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Clark
Son · 1940 · age 24 · b. ~1916 · West Virginia
★ You are viewing this record
Sibling
Nancy Clark
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Clark
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean 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 — Marshall-County, West Virginia
Open full size
1940 US Federal Census — Marshall-County, West Virginia
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-04426-00869)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas M. Scott | 59 | Head | Vessel Scraper | Ohio |
| 2 | Bessie Scott | 52 | Wife | — | West Virginia |
| 3 | Wilford Scott | 22 | Son | Laborer | West Virginia |
| 4 | Joseph Scott | 19 | Son | New Worker | West Virginia |
| 5 | Betty Scott | 17 | Daughter | — | West Virginia |
| 6 | Kenneth E. Robbins | 26 | Son-in-law | Laborer | West Virginia |
| 7 | Gladis Robbins | 25 | Daughter | — | West Virginia |
| 8 | Darline Robbins | 4 | Granddaughter | — | West Virginia |
| 9 | Joan Robbins | 0 | Granddaughter | — | West Virginia |
| 11 | Albert A. Clark | 56 | Head | Locomotive Fireman | West Virginia |
| 12 | Ella N. Clark | 46 | Wife | — | West Virginia |
| 13 | Robert D. Clark THIS PERSON | 24 | Son | Tally Clerk | West Virginia |
| 14 | "Jean I. ""Ab""" Clark | 18 | Daughter | — | West Virginia |
| 15 | Nancy J. Clark | 15 | Daughter | — | West Virginia |
| 16 | John W. Clark | 10 | Son | — | West Virginia |
| 17 | Harry D. Davis | 28 | Head | Conductor | Ohio |
| 18 | Olive V. Davis | 33 | Wife | — | West Virginia |
| 19 | Martha J. Davis | 0 | Daughter | — | West Virginia |
| 20 | James L. Hamm | 9 | Adopted son | — | California |
| 21 | Martha R. Mcpeek | 35 | Sister-in-law | Beauty Operator | West Virginia |
| 22 | Mary J. Mcpeek | 14 | Sister-in-law | — | West Virginia |
| 23 | Richard D. Mcpeek | 11 | Son | — | California |
| 25 | Charles M. Anderson | 48 | Head | Conductor | West Virginia |
| 26 | Donald L. Anderson | 11 | Son | — | West Virginia |
| 27 | Bertha A. Anderson | 65 | Mother | — | West Virginia |
| 28 | Alfred B. Dove | 40 | Head | Steel Chipper | West Virginia |
| 29 | Mary J. Dove | 60 | Mother | — | West Virginia |
| 30 | Homer W. Dove | 34 | Brother | Barber | West Virginia |
| 31 | "John D. ""Ab""" Dove | 17 | Brother | Laborer | Pennsylvania |
| 32 | Lawrence T. Williams | 41 | Head | Policeman | West Virginia |
| 33 | Lucy B. Williams | 39 | Wife | — | West Virginia |
| 34 | Lawrence A. Williams | 15 | Son | — | West Virginia |
| 35 | Donna C. Williams | 3 | Adopted daughter | — | West Virginia |
| 37 | Jesse D. Marple | 73 | Head | Division Superintendent | West Virginia |
| 38 | Nellie B. Marple | 58 | Wife | — | West Virginia |
| 39 | Thomas S. Leach | 21 | Head | Billing Clerk | West Virginia |
| 40 | Frances M. Leach | 19 | Wife | — | West Virginia |
Related Census Records
Pedigree Summary
Robert + 3 siblings
Gen 1 · 4 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)