RC
Richard Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Joseph-County, Michigan
Our Model Tree links this Richard Clark across the 1930 and 1940 US Censuses in St.-Joseph-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 11-person household.
Age 12
b. ~1928
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Joseph-County, Michigan |
| Surname | Clark |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Centerville Village |
| 1935 Residence (County) | St. Joseph |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Centerville Village |
| Est. Birth Year | ~1928 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Carol Clark | Daughter | — | 5 | ~1935 |
| Marjorie Clark | Daughter | — | 13 | ~1927 |
| Marilyn Clark | Daughter | — | 7 | ~1933 |
| William Clark | Head | — | 42 | ~1898 |
| Jack Clark | Son | — | 17 | ~1923 |
| Robert Clark | Son | — | 16 | ~1924 |
| Leon Clark | Son | — | 8 | ~1932 |
| Richard Clark | Son | — | 12 | ~1928 |
| Edward Clark | Son | — | 10 | ~1930 |
| James Clark | Son | — | 1 | ~1939 |
| Marie Clark | Spouse | — | 39 | ~1901 |
Census Appearances
1930
St Joseph, …
Son, age 2
St Joseph, Michigan · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
St.-Joseph-County, Michigan
Son, age 12
St.-Joseph-County, Michigan · implied b. ~1928 — 11 household members
| Surname | Clark |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Centerville Village |
| 1935 Residence (County) | St. Joseph |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Richard Clark across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Clark
Son · 1940 · age 12 · b. ~1928 · Michigan
★ You are viewing this record
Sibling
James Clark
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marilyn Clark
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leon Clark
Sibling · 1940 · age 8
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
Jack Clark
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Clark
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Clark
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carol Clark
Sibling · 1940 · age 5
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 — St.-Joseph-County, Michigan
Open full size
1940 US Federal Census — St.-Joseph-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01817-00294)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen E. Brueckn | 16 | Daughter | — | Michigan |
| 2 | Stella P. Butler | 80 | Head | — | Michigan |
| 3 | Florence Maclean | 48 | Head | Grade Teacher | Michigan |
| 4 | Robert Maclean | 22 | Son | Office Work | Michigan |
| 5 | Donald Maclean | 20 | Son | Clerk | Michigan |
| 6 | Ray Smith | 24 | Lodger | Welding | Michigan |
| 7 | Janette Smith | 21 | Lodger's Wife | Technician | Michigan |
| 8 | James Seiple | 75 | Head | — | Pennsylvania |
| 9 | William Clark | 42 | Head | Beater Engineer | Pennsylvania |
| 10 | Marie H. Clark | 39 | Wife | — | Michigan |
| 11 | Jack Clark | 17 | Son | Farming | Michigan |
| 12 | Robert Clark | 16 | Son | — | Michigan |
| 13 | Marjorie Clark | 13 | Daughter | — | Michigan |
| 14 | Richard Clark THIS PERSON | 12 | Son | — | Michigan |
| 15 | Edward Clark | 10 | Son | — | Michigan |
| 16 | Leon Clark | 8 | Son | — | Michigan |
| 17 | Marilyn Clark | 7 | Daughter | — | Michigan |
| 18 | Carol Clark | 5 | Daughter | — | Michigan |
| 19 | James Clark | 1 | Son | — | Michigan |
| 20 | Alfred C. Fitch | 32 | Head | Pattern Maker | Michigan |
| 21 | Rose E. Fitch | 30 | Wife | — | Indiana |
| 22 | Mary Jane Fitch | 10 | Daughter | — | Michigan |
| 23 | Samuel L. Brown | 67 | Head | Sexton | Indiana |
| 24 | Mary Jane Brown | 68 | Wife | — | Kansas |
| 25 | Robert C. Brown | 27 | Son | Laborer | Indiana |
| 26 | James C. Adams | 55 | Head | Railroadman | Tennessee |
| 27 | Jennie Adams | 55 | Wife | — | Illinois |
| 28 | John Jr. Brown | 39 | Head | Marshal | Michigan |
| 29 | Eleanor Brown | 35 | Wife | — | Michigan |
| 30 | Joan Brown | 12 | Daughter | — | Michigan |
| 31 | Mary Lou Brown | 8 | Daughter | — | Michigan |
| 32 | Frank Dunworth | 47 | Head | Mechanic | Michigan |
| 33 | Ethel Dunworth | 48 | Wife | Seamstress | Indiana |
| 34 | Leonard L. Dunworth | 17 | Son | Clerk | Michigan |
| 35 | Lawrence G. Dunworth | 12 | Son | — | Michigan |
| 36 | Elizabeth J. Lincoln | 81 | Head | — | England |
| 37 | Alice Lincoln | 63 | Daughter | — | England |
| 38 | Miles E. Hartman | 43 | Head | Laborer | Michigan |
| 39 | Esther Hartman | 45 | Wife | Laborer | Ohio |
| 40 | Raymond Hartman | 14 | Son | — | Ohio |
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)