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Charles Cooper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Charles Cooper across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Clarence & Mindia — first a head (b.~1909), then head of a 7-person household.
Age 31
b. ~1909
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Cooper |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | laborer |
| Class of Worker | GW |
| Hours Worked | 20 |
| Income (1939) | 988 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Laborer |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1909 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Juanita Cooper | Daughter | — | 6 | ~1934 |
| Barbara Cooper | Daughter | — | 4 | ~1936 |
| Norma Cooper | Daughter | — | 5 | ~1935 |
| Charles Cooper | Head | — | 31 | ~1909 |
| Charles Cooper | Son | — | 9 | ~1931 |
| Albert Cooper | Son | — | 7 | ~1933 |
| Lucille Cooper | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Marion, Indiana
Son, age 11
Marion, Indiana · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | California |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 21
Marion, Indiana · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | California |
| Occupation | Truck Driver |
| Industry | Ice Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Head, age 31
Marion-County, Indiana · implied b. ~1909 — 7 household members
| Surname | Cooper |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | laborer |
| Class of Worker | GW |
| Hours Worked | 20 |
| Income (1939) | 988 |
| Highest Grade | No 8 |
| 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 Charles Cooper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clarence Cooper (~0.92 confidence) and mother Mindia Cooper (~0.92 confidence) and father Clarence Cooper (~0.60 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.81
Father
Clarence Cooper
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Mindia Cooper
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Clarence Cooper
b. ~1903
Source father
● Household
· direct · ~0.6
This person
Anchor record
Charles Cooper
Head · 1940 · age 31 · b. ~1909 · 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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01128-00285)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Minnie Cooper | 52 | Head | — | California |
| 42 | Lester Davis | 31 | Son in law | Night Watchman | Indiana |
| 43 | Lodoris Davis | 33 | Daughter | — | Indiana |
| 44 | Leland Cooper | 25 | Son | Truck Driver | Indiana |
| 45 | Ralph E. Davis | 10 | Grandson | — | Indiana |
| 46 | Richard S. Davis | 5 | Grandson | — | Indiana |
| 47 | George W. Rottger | 71 | Head | Refrigerator Man | Indiana |
| 48 | Bronzo Cox | 40 | Head | Laborer | Indiana |
| 49 | Charles Cooper THIS PERSON | 31 | Head | Laborer | Indiana |
| 50 | Lucille Cooper | 24 | Wife | — | Indiana |
| 51 | Charles Jr. Cooper | 9 | Son | — | Indiana |
| 52 | Albert Cooper | 7 | Son | — | Indiana |
| 53 | Juanita Cooper | 6 | Daughter | — | Indiana |
| 54 | Norma Cooper | 5 | Daughter | — | Indiana |
| 55 | Barbara Cooper | 4 | Daughter | — | Indiana |
| 56 | Sam Lewis | 55 | Head | Laborer | Indiana |
| 57 | Anna Lewis | 57 | Wife | — | Indiana |
| 58 | Minnie Furguson | 45 | Head | Watchman | Indiana |
| 59 | Belma Furguson | 29 | Wife | — | Kentucky |
| 60 | Paul Furguson | 5 | Son | — | Indiana |
| 61 | Glenn Furguson | 0 | Son | — | Indiana |
| 62 | James W. Polson | 52 | Head | Painter | Indiana |
| 63 | Della Polson | 48 | Wife | — | Indiana |
| 64 | May Humphrey | 35 | Head | — | Indiana |
| 65 | William Humphrey | 10 | Son | — | Indiana |
| 66 | Raymond Degolyer | 11 | Son | — | Indiana |
| 67 | Warren Degolyer | 14 | Son | — | Indiana |
| 68 | Marjorie Coval | 45 | Head | — | Kentucky |
| 69 | James C. Coval | 16 | Son | — | Indiana |
| 70 | Raleigh Owen | 32 | Head | Maintenance | Florida |
| 71 | Dakota Owen | 29 | Wife | — | N. Dakota |
| 72 | Betty Jean Owen | 12 | Daughter | — | Florida |
| 73 | William J. Owen | 11 | Son | — | Florida |
| 74 | Patricia Owen | 8 | Daughter | — | Indiana |
| 75 | Robert Owen | 7 | Son | — | Indiana |
| 76 | Ben Louden | 43 | Head | Machinist | Kentucky |
| 77 | Lula Louden | 40 | Wife | — | Indiana |
| 78 | Bertha Louden | 15 | Daughter | — | Indiana |
| 79 | Ben Jr. Louden | 10 | Son | — | Indiana |
Pedigree Summary
Charles
Gen 1 · 3 parents
~0.81
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)