GT
George Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Imperial-County, California
Our Model Tree links this George Thompson across the 1910, 1920, 1930 and 1940 US Censuses in Imperial-County, California (XGBoost, ~Confirmed), with identified parents Claude & Fannie — first a head (b.~1900), then head of a 5-person household.
Age 40
b. ~1900
Male
Head
Born: Arizona
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Imperial-County, California |
| Surname | Thompson |
| Given Name | George D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Imperial |
| Additional Details | |
| Occupation | Gate keeper Janitor |
| Industry | Water Company |
| Class of Worker | GW |
| Hours Worked | 56 |
| Income (1939) | 2280 |
| Highest Grade | C 4 |
| 1935 Residence | California |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
| Occupation | Gate Keeper Janitor |
| Township / Ward | Twp1 |
| Est. Birth Year | ~1900 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Mary Thompson | Daughter | — | 13 | ~1927 |
| George Thompson | Head | — | 40 | ~1900 |
| Claude Thompson | Son | — | 4 | ~1936 |
| Charles Thompson | Son | — | 11 | ~1929 |
| Ruth Thompson | Spouse | — | 46 | ~1894 |
Census Appearances
1910
Imperial, California
Son, age 10
Imperial, California · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | George D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1920
Imperial, California
Son, age 19
Imperial, California · implied b. ~1901 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | George Dyer |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Arizona |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1930
Imperial, California
Head, age 30
Imperial, California · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | George L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Arizona |
| Age at First Marriage | 25 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Manager |
| Industry | Water Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
1940
Imperial-County, California
Head, age 40
Imperial-County, California · implied b. ~1900 — 5 household members
| Surname | Thompson |
| Given Name | George D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Arizona |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Imperial |
| Occupation | Gate keeper Janitor |
| Industry | Water Company |
| Class of Worker | GW |
| Hours Worked | 56 |
| Income (1939) | 2280 |
| Highest Grade | C 4 |
| 1935 Residence | California |
| Birth State | Arizona |
| Birth Country | United States |
| Birthplace (normalized) | arizona |
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 George Thompson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Claude Thompson (~0.92 confidence) and mother Fannie Thompson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Claude Thompson
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Fannie Thompson
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Thompson
Head · 1940 · age 40 · b. ~1900 · California
★ 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 — Imperial-County, California
Open full size
1940 US Federal Census — Imperial-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00209-00266)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lorenzo Morales | 37 | Head | Farm Laborer | New Mexico |
| 2 | Dolores Morales | 34 | Wife | — | Arizona |
| 3 | Arturo Morales | 6 | Son | — | California |
| 4 | Manuel Morales | 3 | Son | — | Arizona |
| 5 | William H. Cash | 31 | Head | Farmer | Arkansas |
| 6 | Anna M. Cash | 30 | Wife | — | Arkansas |
| 7 | William H. Jr. Cash | 12 | Son | — | Arkansas |
| 8 | Selma L. Cash | 11 | Daughter | — | Arkansas |
| 9 | Johnny G. Cash | 8 | Son | — | New Mexico |
| 10 | Margaret A. Cash | 6 | Daughter | — | California |
| 11 | Franklin D. Cash | 4 | Son | — | California |
| 12 | Helen L. Cash | 1 | Daughter | — | California |
| 13 | Juan Montez | 52 | Head | Farm Laborer | Mexico |
| 14 | Ignacia Montez | 34 | Wife | — | Mexico |
| 15 | Mary Montez | 18 | Daughter | — | California |
| 16 | Juan Montez | 15 | Son | — | California |
| 17 | Mary Montez | 13 | Daughter | — | California |
| 18 | Daisy Montez | 9 | Daughter | — | California |
| 19 | Raymond Montez | 8 | Son | — | California |
| 20 | Luisa Montez | 6 | Son | — | California |
| 21 | Lucy Montez | 3 | Daughter | — | California |
| 22 | Lucia Montez | 3 | Daughter | — | California |
| 23 | Tony Montez | 0 | Daughter | — | California |
| 24 | Pete Gonzales | 49 | Head | Farm Laborer | Mexico |
| 25 | Mary Lou Gonzales | 21 | Daughter | — | New Mexico |
| 26 | Frank Gonzales | 18 | Son | Farm Laborer | New Mexico |
| 27 | Dale Gonzales | 14 | Daughter | — | New Mexico |
| 28 | Mike H. Chavez | 34 | Head | Farm Laborer | New Mexico |
| 29 | Jessie B. Chavez | 26 | Wife | — | Mexico |
| 30 | Mike Jr. Chavez | 1 | Son | — | California |
| 31 | George D. Thompson THIS PERSON | 40 | Head | Gate Keeper Janitor | Arizona |
| 32 | Ruth H. Thompson | 46 | Wife | — | Minnesota |
| 33 | Mary M. Thompson | 13 | Daughter | — | California |
| 34 | Charles S. Thompson | 11 | Son | — | California |
| 35 | Claude S. Thompson | 4 | Son | — | California |
| 36 | Charlie Johnson | 69 | Head | Farm Laborer | Missouri |
| 37 | Albert Mason | 31 | Lodger | Farm Laborer | Texas |
| 38 | Anna E. Brandenburg | 58 | Head | — | Pennsylvania |
| 39 | William A. Brandenburg | 24 | Son | Farmer | California |
| 40 | Claude E. Gibson | 56 | Head | Farm Laborer | Arkansas |
Pedigree Summary
George
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)