MT
Marie Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Idaho
Our Model Tree links this Marie Thomas across the 1930 and 1940 US Censuses in Jefferson-County, Idaho (XGBoost, ~Confirmed) — first a spouse (b.~1903), then head of a 9-person household.
Age 37
b. ~1903
Female
Spouse
Born: Idaho
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Idaho |
| Surname | Thomas |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | Madison |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Idaho |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Lorenzo Precinct |
| Est. Birth Year | ~1903 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marie | Age | Birth yr |
|---|---|---|---|---|
| Bert Thomas | Son | — | 1 | ~1939 |
| Ruth Thomas | Daughter | — | ~1940 | |
| Marie Thomas | Spouse | — | 37 | ~1903 |
| Ellen Thomas | Daughter | — | 10 | ~1930 |
| Cyrus Thomas | Head | — | 45 | ~1895 |
| Milton Thomas | Son | — | 14 | ~1926 |
| Ernest Thomas | Son | — | 9 | ~1931 |
| Myrtle Thomas | Daughter | — | 4 | ~1936 |
| Claud Thomas | Son | — | 6 | ~1934 |
Census Appearances
1930
Madison, Idaho
Other, age 27
Madison, Idaho · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Mildred |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Idaho |
| Age at First Marriage | 20 |
| Father's Birthplace | New York |
| Mother's Birthplace | Wales |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Jefferson-County, Idaho
Spouse, age 37
Jefferson-County, Idaho · implied b. ~1903 — 9 household members
| Surname | Thomas |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | Madison |
| 1935 Residence (County) | Madison |
| Highest Grade | Hs 4 |
| 1935 Residence | Idaho |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Marie Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Marie Thomas
Spouse · 1940 · age 37 · b. ~1903 · Idaho
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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 — Jefferson-County, Idaho
Open full size
1940 US Federal Census — Jefferson-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00747-00602)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Owen T Ellis | 29 | Head | Farmer | Idaho |
| 2 | Gladys Ellis | 28 | Wife | — | Idaho |
| 3 | Karen Ellis | 8 | Daughter | — | Idaho |
| 4 | Deann Ellis | 6 | Daughter | — | Idaho |
| 5 | Damon Ellis | 5 | Son | — | Idaho |
| 6 | Kathleen Ellis | 0 | Daughter | — | Idaho |
| 7 | Elmer Jensen | 50 | Head | Farmer | Idaho |
| 8 | Anna Jensen | 50 | Wife | — | Denmark |
| 9 | Victor V. Jensen | 19 | Son | Farm Laborer | Idaho |
| 10 | Jeanette Jensen | 16 | Daughter | Farm Laborer | Idaho |
| 11 | Harley N. Jensen | 11 | Son | — | Idaho |
| 12 | Cyrus Thomas | 45 | Head | Farm Laborer | Utah |
| 13 | Marie Thomas THIS PERSON | 37 | Wife | — | Idaho |
| 14 | Milton Thomas | 14 | Son | — | Idaho |
| 15 | Ellen Marie Thomas | 10 | Daughter | — | Idaho |
| 16 | Ernest Cyrus Thomas | 9 | Son | — | Idaho |
| 17 | Claud Victor Thomas | 6 | Son | — | Idaho |
| 18 | Myrtle Lou Thomas | 4 | Daughter | — | Idaho |
| 19 | Bert Lee Thomas | 1 | Son | — | Idaho |
| 20 | Ruth Thomas | 0 | Daughter | — | Idaho |
| 21 | Charles Leroy Blodgett | 31 | Head | Farmer | Idaho |
| 22 | Ruby Blodgett | 29 | Wife | — | Idaho |
| 23 | Betty Ann Blodgett | 3 | Daughter | — | Idaho |
| 24 | Jack Leroy Blodgett | 1 | Son | — | Idaho |
| 25 | Ann Elizabeth Blodgett | 0 | Daughter | — | Idaho |
| 26 | Stanley Rhodes | 45 | Head | Farmer | Utah |
| 27 | G. Letha Lou Rhodes | 32 | Wife | Farmer | Idaho |
| 28 | Ila Rhodes | 14 | Daughter | — | Idaho |
| 29 | Doris Rhodes | 9 | Daughter | — | Idaho |
| 30 | Larry Stanley Rhodes | 2 | Son | — | Idaho |
| 31 | Roy Hammond | 57 | Head | Farmer | Nebraska |
| 32 | Agnes Hammond | 36 | Wife | Teacher | Utah |
| 33 | C. L. Green | 28 | Head | Farmer | California |
| 34 | Lillie Green | 28 | Wife | Proprietor | Idaho |
| 35 | Gaye Linda Green | 0 | Daughter | — | Idaho |
| 36 | George Prince | 40 | Head | Farmer | Idaho |
| 37 | Dora Prince | 35 | Wife | — | Idaho |
| 38 | Lorraine Prince | 8 | Daughter | — | Idaho |
| 39 | Larry Prince | 5 | Son | — | Idaho |
| 40 | Edward Richard Kopp | 38 | Head | Sheet Metal Worker | New Jersey |
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)