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Frank Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clay-County, Indiana
Our Model Tree links this Frank Cooper across the 1920, 1930 and 1940 US Censuses in Clay-County, Indiana (XGBoost, ~Confirmed), with identified parents Russell & Sadie — first a head (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clay-County, Indiana |
| Surname | Cooper |
| Given Name | Frank R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Brazil City |
| 1935 Residence (County) | Clay |
| Additional Details | |
| Occupation | Machinist |
| Industry | Machine shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Machinist |
| Township / Ward | Brazil 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Larry Cooper | Son | — | ~1940 | |
| Frank Cooper | Head | — | 24 | ~1916 |
| Carolyn Cooper | Daughter | — | 3 | ~1937 |
| Irene Cooper | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Clay, Indiana
Son, age 4
Clay, Indiana · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Clay, Indiana
Son, age 14
Clay, Indiana · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Frankie R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Clay-County, Indiana
Head, age 24
Clay-County, Indiana · implied b. ~1916 — 4 household members
| Surname | Cooper |
| Given Name | Frank R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Brazil City |
| 1935 Residence (County) | Clay |
| Occupation | Machinist |
| Industry | Machine shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Frank Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Russell Cooper (~0.92 confidence) and mother Sadie Cooper (~0.92 confidence) and mother Sarah Cooper (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Russell Cooper
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Sadie Cooper
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Sarah Cooper
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Cooper
Head · 1940 · age 24 · b. ~1916 · Indiana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Clay-County, Indiana
Open full size
1940 US Federal Census — Clay-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01032-00095)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John R. Hawn | 17 | Son | — | Indiana |
| 42 | Dora T. Buffington | 53 | Head | — | Indiana |
| 43 | Carl H. Buffington | 29 | Son | Clay Worker | Indiana |
| 44 | William L. Buffington | 19 | Son | Cook | Indiana |
| 45 | James H. Buffington | 17 | Son | New Worker | Indiana |
| 46 | Bess Buffington | 15 | Son | — | Indiana |
| 47 | Harlan L. Buffington | 13 | Son | — | Indiana |
| 48 | Elois L. Buffington | 10 | Daughter | — | Indiana |
| 49 | John Russel | 40 | Head | — | Indiana |
| 50 | Frank R. Cooper THIS PERSON | 24 | Head | Machinist | Indiana |
| 51 | Irene Cooper | 21 | Wife | — | Indiana |
| 52 | Carolyn Cooper | 3 | Daughter | — | Indiana |
| 53 | Larry F. Cooper | 0 | Son | — | Indiana |
| 54 | Daniel Wasley | 48 | Head | Laborer | Indiana |
| 55 | Anna D. Wasley | 40 | Wife | — | Indiana |
| 56 | Daniel Wasley | 13 | Son | — | Indiana |
| 57 | Albert J. Moore | 26 | Head | Clay Worker | Indiana |
| 58 | Alice S. Moore | 20 | Wife | — | Indiana |
| 59 | Albert G. Moore | 3 | Son | — | Indiana |
| 60 | Robert H. Reynolds | 55 | Head | Laborer | Indiana |
| 61 | Lydia M. Reynolds | 56 | Wife | — | Indiana |
| 62 | Hazel H. Reynolds | 18 | Daughter | House Keeper | Indiana |
| 63 | Ida B. Reynolds | 15 | Daughter | — | Indiana |
| 64 | William J. Lawhorn | 21 | Son | Truck Driver | Indiana |
| 65 | Melvin White | 57 | Head | Laborer | Indiana |
| 66 | Merle C. Buffington | 21 | Lodger | Mechanic | Indiana |
| 67 | Mary Buffington | 19 | Lodger | — | Indiana |
| 68 | John D. Buffington | 0 | Son | — | Indiana |
| 69 | William G. Bowers | 68 | Head | — | Indiana |
| 70 | Paul Johnson | 26 | Head | Laborer | Indiana |
| 71 | Susan Johnson | 22 | Wife | — | Indiana |
| 72 | Melvin M. Frye | 23 | Head | Laborer | Indiana |
| 73 | Ruth M. Frye | 20 | Wife | — | Indiana |
| 74 | Alpha Cromer | 2 | Lodger | — | Indiana |
| 75 | Frank D. Haven | 28 | Head | Miner | Ohio |
| 76 | Laura E. Haven | 22 | Wife | — | Tennessee |
| 77 | Geneva J. Haven | 3 | Daughter | — | Tennessee |
| 78 | Sara J. Haven | 1 | Daughter | — | Tennessee |
| 79 | Anna S. Hovins | 45 | Head | — | Indiana |
| 80 | Marion R. Hovins | 29 | Son of Lodger | Hod Carrier | Indiana |
Pedigree Summary
Frank
Gen 1 · 3 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)