ET
Elmer Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cochise-County, Arizona
Our Model Tree links this Elmer Thompson across the 1930 and 1940 US Censuses in Cochise-County, Arizona (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 8-person household.
Age 42
b. ~1898
Male
Head
Born: New Mexico
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cochise-County, Arizona |
| Surname | Thompson |
| Given Name | Elmer |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Mexico |
| 1935 Residence (City) | S.D. 2 |
| 1935 Residence (County) | Cochise |
| Additional Details | |
| Occupation | Driller |
| Industry | Irrigation wells |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1600 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
| Occupation | Driller |
| Township / Ward | Sd 2 |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elmer | Age | Birth yr |
|---|---|---|---|---|
| Russell Thompson | Son | — | 12 | ~1928 |
| Elmer Thompson | Head | — | 42 | ~1898 |
| John Thompson | Son | — | 15 | ~1925 |
| Delbert Thompson | Son | — | 10 | ~1930 |
| Virgle Thompson | Son | — | 14 | ~1926 |
| Edda Thompson | Daughter | — | 17 | ~1923 |
| Clyde Thompson | Son | — | 19 | ~1921 |
| Nellie Thompson | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Cochise, Arizona
Head, age 32
Cochise, Arizona · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Elmer |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | New Mexico |
| Age at First Marriage | 22 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | New Mexico |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
1940
Cochise-County, Arizona
Head, age 42
Cochise-County, Arizona · implied b. ~1898 — 8 household members
| Surname | Thompson |
| Given Name | Elmer |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Mexico |
| 1935 Residence (City) | S.D. 2 |
| 1935 Residence (County) | Cochise |
| Occupation | Driller |
| Industry | Irrigation wells |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1600 |
| Highest Grade | 7 |
| 1935 Residence | Same place |
| Birth State | New Mexico |
| Birth Country | United States |
| Birthplace (normalized) | new mexico |
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 Elmer Thompson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Elmer Thompson
Head · 1940 · age 42 · b. ~1898 · Arizona
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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 — 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-t0627-00100-00848)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Lee Koontz | 60 | head | Rancher | Texas |
| 2 | Zuline Koontz | 54 | wife | — | Mississippi |
| 3 | Austin W. Bouldin | 73 | head | — | Texas |
| 4 | Emma B. Bouldin | 74 | wife | — | Indiana |
| 5 | Mary Acuna | 14 | maid | Housework | Arizona |
| 6 | Vernon Roofe | 27 | head | Farmer | Oklahoma |
| 7 | Viola Roofe | 29 | wife | — | Oklahoma |
| 8 | Marvin D. Roofe | 5 | son | — | Arizona |
| 9 | Thomas E. Roofe | 3 | son | — | Colorado |
| 10 | George R. Gardner | 52 | head | Farmer | Arizona |
| 11 | Joseph Mortenson | 47 | head | Farmer | Arizona |
| 12 | Myrtle Mortenson | 47 | wife | — | Arizona |
| 13 | Owen Mortenson | 24 | son | Farmer | Arizona |
| 14 | Elma Mortenson | 17 | daughter | — | Arizona |
| 15 | Roy Mortenson | 13 | son | — | Arizona |
| 16 | Don Mortenson | 11 | son | — | Arizona |
| 17 | Walter Mortenson | 7 | son | — | Arizona |
| 18 | Morris Nelson | 34 | head | Miner | Mexico |
| 19 | Laura Nelson | 38 | wife | — | Mexico |
| 20 | Dean Nelson | 12 | son | — | Arizona |
| 21 | Carlos Nelson | 10 | son | — | Arizona |
| 22 | Hubert Nelson | 9 | son | — | Arizona |
| 23 | Alvin Nelson | 7 | son | — | Arizona |
| 24 | Farrel Nelson | 4 | son | — | Arizona |
| 25 | Ema Mae Nelson | 2 | daughter | — | Arizona |
| 26 | Willie Tanner | 52 | head | Driller | Texas |
| 27 | Freddie Tanner | 16 | son | — | Texas |
| 28 | Jimmie Tanner | 12 | son | — | Arizona |
| 29 | Mae Johnson | 61 | housekeeper | Housekeeper | Texas |
| 30 | Ruby Johnson | 18 | lodger | — | Arizona |
| 31 | Amand Crawford | 71 | head | — | Texas |
| 32 | Frank L. Jones | 45 | son | — | Texas |
| 33 | Elmer Thompson THIS PERSON | 42 | head | Driller | New Mexico |
| 34 | Nellie Thompson | 37 | wife | — | New Mexico |
| 35 | Clyde Thompson | 19 | son | Driller Helper | Arizona |
| 36 | Edda Belle Thompson | 17 | daughter | — | Arizona |
| 37 | John M. Thompson | 15 | son | — | Arizona |
| 38 | Virgle L. Thompson | 14 | son | — | Arizona |
| 39 | Russell V. Thompson | 12 | son | — | Arizona |
| 40 | Delbert A. Thompson | 10 | son | — | Arizona |
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)