DC
Donald Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Ohio
Our Model Tree links this Donald Clark across the 1930 and 1940 US Censuses in Marion-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 12-person household.
Age 16
b. ~1924
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Ohio |
| Surname | Clark |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Marion |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Marion |
| Est. Birth Year | ~1924 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Pearl Clark | Head | — | 75 | ~1865 |
| Delores Clark | Daughter | — | 8 | ~1932 |
| Raymond Clark | Son | — | 6 | ~1934 |
| Pauline Clark | Spouse | — | 18 | ~1922 |
| David Clark | Son | — | 1 | ~1939 |
| Lawrence Clark | Son | — | 20 | ~1920 |
| Goldie Clark | Spouse | — | 70 | ~1870 |
| Donald Clark | Son | — | 16 | ~1924 |
| Pauline Clark | Daughter | — | 17 | ~1923 |
| Marjorie Clark | Daughter | — | 13 | ~1927 |
| Eugene Clark | Son | — | 21 | ~1919 |
| Paul Clark | Son | — | 17 | ~1923 |
Census Appearances
1930
Marion, Ohio
Son, age 6
Marion, Ohio · implied b. ~1924 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Donald R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Marion-County, Ohio
Son, age 16
Marion-County, Ohio · implied b. ~1924 — 12 household members
| Surname | Clark |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Marion |
| 1935 Residence (County) | Marion |
| Income (1939) | 0 |
| Highest Grade | 6 |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Donald Clark
Son · 1940 · age 16 · b. ~1924 · Ohio
★ You are viewing this record
Sibling
Delores Clark
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Clark
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Clark
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Clark
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Clark
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Clark
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Clark
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Clark
Sibling · 1940 · age 1
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 — Marion-County, Ohio
Open full size
1940 US Federal Census — Marion-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03111-00006)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Rank | 15 | Son | — | Ohio |
| 2 | Alvin Slob | 29 | Head | Elec Welder | Indiana |
| 3 | Lucille E Slob | 27 | Wife | — | Ohio |
| 4 | Fred Shirley | 42 | Head | Car-Repairer | Ohio |
| 5 | Lillian Shirley | 33 | Wife | Waitress | Ohio |
| 6 | Wilbur Roland | 14 | Step-son | — | Ohio |
| 7 | Curtis Wilson | 23 | Head | Taxi Driver | Ohio |
| 8 | Winifred Wilson | 19 | Wife | — | Michigan |
| 9 | Maryetta Forshey | 72 | Head | — | W. Virginia |
| 10 | Charles Ruth | 57 | Head | Moulder | Ohio |
| 11 | Robert P Miller | 35 | Head | Chipper | Ohio |
| 12 | Gladys M Miller | 32 | Wife | — | Ohio |
| 13 | Ivor Daly | 44 | Head | Part Navigation Country Road | Ohio |
| 14 | Mary Daly | 33 | Wife | Glass Cutter | Ohio |
| 15 | Winifred Daly | 9 | Daughter | — | Ohio |
| 16 | Barbara Ann Daly | 5 | Daughter | — | Ohio |
| 17 | Clarence Stanley | 34 | Head | Steel Inspector | Ohio |
| 18 | Delpha Stanley | 32 | Wife | — | Ohio |
| 19 | Clarence Jr Stanley | 14 | Son | — | Ohio |
| 20 | Betty Stanley | 9 | Daughter | — | Ohio |
| 21 | Phyllis Stanley | 7 | Daughter | — | Ohio |
| 22 | Pearl Clark | 75 | Head | Moulder | Ohio |
| 23 | Goldie Clark | 70 | Wife | — | Ohio |
| 24 | Lawrence Clark | 20 | Son | Enrolled For C.C.C. Not Assigned | Ohio |
| 25 | Paul Clark | 17 | Son | Enrolled For C.C.C. Not Assigned | Ohio |
| 26 | Pauline Clark | 17 | Daughter | — | Ohio |
| 27 | Marjorie Clark | 13 | Daughter | — | Ohio |
| 28 | Donald Clark THIS PERSON | 16 | Son | — | Ohio |
| 29 | Delores Clark | 8 | Daughter | — | Ohio |
| 30 | Raymond Clark | 6 | Son | — | Ohio |
| 31 | David Clark | 1 | Son | — | Ohio |
| 32 | Eugene Clark | 21 | Son | Work-Relief | Ohio |
| 33 | Pauline Clark | 18 | Wife | — | Ohio |
| 34 | John Bostick | 64 | Head | Carpenter | Ohio |
| 35 | Mary Bostick | 48 | Wife | — | Ohio |
| 36 | Helen Howell | 26 | Daughter | Waitress | Ohio |
| 37 | Mary Henrietta Howell | 6 | Grand-daughter | — | Ohio |
| 38 | Kenneth Howell | 5 | Grand-son | — | Ohio |
| 39 | Patricia Ann Howell | 4 | Grand-daughter | — | Ohio |
| 40 | Joseph Howell | 3 | Grand-son | — | Ohio |
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)