DC
Donald Clark — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jackson-County, Ohio
Our Model Tree links this Donald Clark across the 1920, 1930 and 1940 US Censuses in Jackson-County, Ohio (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Ohio |
| Surname | Clark |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lick Township |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Occupation | Attendant |
| Industry | Filling Station |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Attendant |
| Township / Ward | Lick Township |
| 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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Pearl Clark | Daughter | — | 15 | ~1925 |
| William Clark | Head | — | 52 | ~1888 |
| Clenna Clark | Spouse | — | 49 | ~1891 |
| Donald Clark | Son | — | 23 | ~1917 |
| Leroy Clark | Son | — | 19 | ~1921 |
Census Appearances
1920
Jackson, Ohio
Son, age 3
Jackson, Ohio · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Jackson, Ohio
Son, age 13
Jackson, Ohio · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Jackson-County, Ohio
Son, age 23
Jackson-County, Ohio · implied b. ~1917 — 5 household members
| Surname | Clark |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Lick Township |
| 1935 Residence (County) | Jackson |
| Occupation | Attendant |
| Industry | Filling Station |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Donald Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Clark (~0.92 confidence) and father William Clark (~0.92 confidence) and father William Clark (~0.92 confidence) and mother Clenna Clark (~0.92 confidence) and mother Ellen Clark (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Clark
b. ~1888
Source father
● Household
· direct · ~0.92
Father
William Clark
b. ~1888
Source father
● Household
· direct · ~0.92
Father
William Clark
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Clenna Clark
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Ellen Clark
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Clark
Son · 1940 · age 23 · b. ~1917 · Ohio
★ You are viewing this record
Sibling
Leroy Clark
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearl Clark
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 — Jackson-County, Ohio
Open full size
1940 US Federal Census — Jackson-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03089-00464)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Richard | 20 | Son | New Worker | Ohio |
| 2 | Ruth Richard | 18 | daughter | New Worker | Ohio |
| 3 | Hazel Richard | 16 | daughter | — | Ohio |
| 4 | Shirley Richard | 2 | daughter | — | Ohio |
| 5 | """William """"Ab""""""" Davis | 21 | Brother in law | Laborer | Ohio |
| 6 | Samuel Titlow | 45 | head | Laborer | Ohio |
| 7 | Alberta Titlow | 40 | wife | — | Ohio |
| 8 | Helen Titlow | 19 | daughter | New Worker | Ohio |
| 9 | Sarah Titlow | 17 | daughter | — | Ohio |
| 10 | James F. Titlow | 7 | Son | — | Ohio |
| 11 | Shirley Titlow | 4 | daughter | — | Ohio |
| 12 | William Clark | 52 | head | Track-Man | Ohio |
| 13 | Clenna Clark | 49 | wife | — | Ohio |
| 14 | Donald Clark THIS PERSON | 23 | Son | Attendant | Ohio |
| 15 | """Leroy """"Ab""""""" Clark | 19 | Son | Attendant | Ohio |
| 16 | Pearl Clark | 15 | daughter | — | Ohio |
| 17 | John D. Hughes | 33 | head | Driver | Ohio |
| 18 | Corallie M. Hughes | 46 | wife | — | Ohio |
| 19 | John W. Hughes | 17 | Son | — | Ohio |
| 20 | Agnes Trace | 67 | head | — | Ohio |
| 21 | Stanley Harper | 54 | head | Farmer | Ohio |
| 22 | Eva Harper | 54 | wife | — | Ohio |
| 23 | Anna Harper | 20 | daughter | Secretary | Ohio |
| 24 | Dorothy Harper | 18 | daughter | — | Ohio |
| 25 | Elizabeth Harper | 83 | mother | — | Ohio |
| 26 | O. S. Bennett | 60 | head | Owner-Salesman | Ohio |
| 27 | Nancy Bennett | 57 | wife | — | Ohio |
| 28 | Jack Mitchell | 30 | head | Truck-Driver | West Virginia |
| 29 | Fern Mitchell | 28 | wife | — | Ohio |
| 30 | Arnold Williams | 37 | head | Plumber Helper | Ohio |
| 31 | Florence Williams | 25 | wife | — | Ohio |
| 32 | Thelma Roberts | 23 | sister-in-law | Housekeeper | Ohio |
| 33 | Charles J. Roberts | 5 | nephew | — | Ohio |
| 34 | James Mcdaniel | 67 | head | — | Ohio |
| 35 | Edna Mcdaniel | 65 | wife | — | Ohio |
| 36 | Homer Walker | 35 | head | Gen. Hand | Ohio |
| 37 | Marcella Walker | 32 | wife | — | Ohio |
| 38 | Ruth Conaway | 73 | head | — | Ohio |
| 39 | Clara Wales | 70 | head | — | Ohio |
| 40 | James Thompson | 34 | head | Laborer | Ohio |
Pedigree Summary
Donald + 2 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)