CC
Clarence Clark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Appanoose-County, Iowa
Our Model Tree links this Clarence Clark across the 1920, 1930 and 1940 US Censuses in Appanoose-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 6-person household.
Age 57
b. ~1883
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Appanoose-County, Iowa |
| Surname | Clark |
| Given Name | Clarence |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Walnut Township |
| 1935 Residence (County) | Appanoose County |
| Additional Details | |
| Occupation | Laborer |
| Industry | Rock Quarry |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 144 |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Laborer |
| Township / Ward | Walnut Township |
| Est. Birth Year | ~1883 |
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 Clarence | Age | Birth yr |
|---|---|---|---|---|
| Clarence Clark | Other | — | 3 | ~1937 |
| Norlean Clark | Other | — | 22 | ~1918 |
| Fay Clark | Son | — | 24 | ~1916 |
| Gladys Clark | Spouse | — | 51 | ~1889 |
| Clarence Clark | Head | — | 57 | ~1883 |
| Charles Clark | Other | — | 2 | ~1938 |
Census Appearances
1920
Appanoose, Iowa
Head, age 36
Appanoose, Iowa · implied b. ~1884 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Clarence V. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Appanoose, Iowa
Head, age 46
Appanoose, Iowa · implied b. ~1884 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Clarence V. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | W |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | 78V2 |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 123 |
| Radio Set | R |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Appanoose-County, Iowa
Head, age 57
Appanoose-County, Iowa · implied b. ~1883 — 6 household members
| Surname | Clark |
| Given Name | Clarence |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Walnut Township |
| 1935 Residence (County) | Appanoose County |
| Occupation | Laborer |
| Industry | Rock Quarry |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 144 |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Clarence Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Clarence Clark
Head · 1940 · age 57 · b. ~1883 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Appanoose-County, Iowa
Open full size
1940 US Federal Census — Appanoose-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01137-00650)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Virginia Curtis | 22 | wife | Housewife | Iowa |
| 2 | Dwayne Curtis | 5 | son | — | Iowa |
| 3 | Wesley Curtis | 3 | son | — | Iowa |
| 4 | Robert J. Watts | 63 | head | Laborer | Illinois |
| 5 | Ola Watts | 51 | wife | Housewife | Iowa |
| 6 | Lesley Watts | 30 | son | Miner | Iowa |
| 7 | Eugene Watts | 27 | son | Miner | Iowa |
| 8 | Clarence Watts | 16 | son | New Worker | Iowa |
| 9 | Margotte Watts | 14 | daughter | — | Iowa |
| 10 | Bert Watts | 66 | brother | — | Iowa |
| 11 | Christina Morris | 21 | daughter | — | Iowa |
| 12 | Diona Morris | 0 | grand daughter | — | Iowa |
| 13 | Clarence Clark THIS PERSON | 57 | head | Laborer | Missouri |
| 14 | Gladys Clark | 51 | wife | Housekeeping | Iowa |
| 15 | Fay Clark | 24 | son | Miner | Iowa |
| 16 | Norlean Clark | 22 | daughter in law | — | Iowa |
| 17 | Clarence K. Clark | 3 | grand son | — | Iowa |
| 18 | Charles W. Clark | 2 | grand son | — | Iowa |
| 19 | James S. Gladdon | 55 | head | Miner | Iowa |
| 20 | Anne Gladdon | 56 | wife | — | Indiana |
| 21 | Bernice Gladdon | 18 | daughter | New Worker | Iowa |
| 22 | Paul Gladdon | 16 | son | New Worker | Iowa |
| 23 | Elizabeth Carter | 55 | head | — | England |
| 24 | Daniel Carter | 22 | son | Farmer | Iowa |
| 25 | Elinor Carter | 21 | daughter | — | Iowa |
| 26 | Bonietta Carter | 1 | daughter | — | Iowa |
| 27 | Gwyllum Lodwick | 58 | head | Farmer | Ohio |
| 28 | Lucy Lodwick | 58 | wife | — | Iowa |
| 29 | Gwyllum Jr. Lodwick | 22 | son | — | Iowa |
| 30 | Edward Oughten | 60 | head | Farmer | Nebraska |
| 31 | Josephine Oughten | 59 | wife | — | Illinois |
| 32 | Marcel Gerard | 39 | head | Farmer | France |
| 33 | Myrtle Gerard | 33 | wife | — | Iowa |
| 34 | Emile Gerard | 13 | son | — | Iowa |
| 35 | Alice Gerard | 10 | daughter | — | Iowa |
| 36 | Charley E. Mcdanolds | 48 | head | Farmer | Iowa |
| 37 | Elsie Mcdanolds | 44 | wife | — | Iowa |
| 38 | John Mcdanolds | 15 | son | — | Iowa |
| 39 | James Mcdanolds | 12 | son | — | Iowa |
| 40 | Charley Jr. Mcdanolds | 21 | head | Farmer | Iowa |
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)