RC
Robert Cochran — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cochise-County, Arizona
Our Model Tree links this Robert Cochran across the 1920, 1930 and 1940 US Censuses in Cochise-County, Arizona (XGBoost, ~Confirmed), with identified parents Robert & Willy — first a head (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Male
Head
Born: Texas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cochise-County, Arizona |
| Surname | Cochran |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | C.S.D. |
| 1935 Residence (County) | Cochise |
| Additional Details | |
| Occupation | accountant |
| Industry | Mining Corp |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 5000 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Accountant |
| Township / Ward | Csd |
| Est. Birth Year | ~1898 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Cochran | Head | — | 42 | ~1898 |
| Velma Cochran | Spouse | — | 36 | ~1904 |
| Glenn Cochran | Son | — | 12 | ~1928 |
Census Appearances
1920
Cochise, Arizona
Son, age 22
Cochise, Arizona · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | Robert Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Arkansas |
| Occupation | Timekeeper |
| Industry | Copper Mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Cochise, Arizona
Head, age 32
Cochise, Arizona · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cochran |
| Given Name | Robert H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Texas |
| Age at First Marriage | 24 |
| Father's Birthplace | United States |
| Mother's Birthplace | Arkansas |
| Occupation | Accountant |
| Industry | Copper Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Cochise-County, Arizona
Head, age 42
Cochise-County, Arizona · implied b. ~1898 — 3 household members
| Surname | Cochran |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | C.S.D. |
| 1935 Residence (County) | Cochise |
| Occupation | accountant |
| Industry | Mining Corp |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 5000 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Robert Cochran across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Cochran (~0.92 confidence) and mother Willy Cochran (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Cochran
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Willy Cochran
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Cochran
Head · 1940 · age 42 · b. ~1898 · Arizona
★ 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 — Cochise-County, Arizona
Open full size
1940 US Federal Census — Cochise-County, Arizona
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00100-00445)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harriet Smith | 21 | Wife | — | New Mex. |
| 42 | Mary Smith | 2 | Daughter | 0 | New Mex. |
| 43 | Mike Radenovich | 36 | Head | Motor Man | Arizona |
| 44 | Dorothy Radenovich | 20 | Wife | — | Colorado |
| 45 | Robert Radenovich | 25 | Brother | Granite Man | Arizona |
| 46 | Milo Radenovich | 45 | Uncle | — | Yugoslavia |
| 47 | Milton Lindholm | 52 | Head | Geologist | Minnesota |
| 48 | Barbara Lindholm | 43 | Wife | — | Wisconsin |
| 49 | Eleanore Lindholm | 16 | Daughter | — | Arizona |
| 50 | John Lindholm | 15 | Son | — | Arizona |
| 51 | Arthur Reppe | 34 | Head | Supervisor Of Music | Minnesota |
| 52 | Vivian Reppe | 32 | Wife | — | Nebraska |
| 53 | Rodney Reppe | 9 | Son | — | Michigan |
| 54 | Kay Reppe | 6 | Daughter | — | Michigan |
| 55 | Walter Brooke | 26 | Head | Shift Boss | Kentucky |
| 56 | Mildred Brooke | 25 | Wife | — | Arizona |
| 57 | Russell Brooke | 5 | Son | — | Arizona |
| 58 | William D. Gidley | 33 | Head | Shift Boss | Arizona |
| 59 | Josephine Gidley | 36 | Wife | — | Montana |
| 60 | Wm Joseph Gidley | 2 | Son | 0 | Arizona |
| 61 | Michael Joseph Cosgrave | 52 | Head | — | Canada |
| 62 | Alice Cosgrave | 52 | Wife | — | Sweden |
| 63 | Donald Cosgrave | 22 | Son | Cager | Arizona |
| 64 | Jack Cosgrave | 15 | Son | — | Arizona |
| 65 | Robert H. Cochran THIS PERSON | 42 | Head | Accountant | Texas |
| 66 | Velma Cochran | 36 | Wife | — | Kansas |
| 67 | Glenn Cochran | 12 | Son | — | Arizona |
| 68 | Margaret Erbe | 73 | Head | Printer | Austria |
| 69 | Frank Erbe | 45 | Son | — | Colorado |
| 70 | Charles Merrill | 55 | Head | Watch Man | Arizona |
| 71 | Verna Merrill | 55 | Wife | Teacher | Arizona |
| 72 | Wendell Al. Merrill | 24 | Son | — | Oregon |
| 73 | Miles W. Merrill | 60 | Head | Lesser | Arizona |
| 74 | Estella Merrill | 52 | Wife | — | Arizona |
| 75 | Darwin Merrill | 21 | Son | Miner | Arizona |
| 76 | Patricia Merrill | 9 | Daughter | — | Arizona |
| 77 | S. J. Pence | 53 | Head | Pipe Fitter | California |
| 78 | Erna Pence | 46 | Wife | Saleswoman | Michigan |
| 79 | Clarice Pence | 22 | Daughter | Beauty Operator | Arizona |
| 80 | Nellie Mcminn | 59 | Head | — | Scotland |
Pedigree Summary
Robert
Gen 1 · 2 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)