ES
Emma Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Madison-County, Idaho
Our Model Tree links this Emma Smith across the 1920, 1930 and 1940 US Censuses in Madison-County, Idaho (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 6-person household.
Age 50
b. ~1890
Female
Spouse
Born: Idaho
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Idaho |
| Surname | Smith |
| Given Name | Emma |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | Thornton E. D. |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Thornton E D |
| Est. Birth Year | ~1890 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Thala Smith | Daughter | — | 16 | ~1924 |
| Aldean Smith | Daughter | — | 13 | ~1927 |
| Earl Smith | Head | — | 55 | ~1885 |
| Leo Smith | Son | — | 19 | ~1921 |
| Ren Smith | Son | — | 22 | ~1918 |
| Emma Smith | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Madison, Idaho
Spouse, age 30
Madison, Idaho · implied b. ~1890 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Emma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Idaho |
| Father's Birthplace | New York |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Madison, Idaho
Other, age 40
Madison, Idaho · implied b. ~1890 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Emma |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Idaho |
| Age at First Marriage | 19 |
| Father's Birthplace | New York |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Madison-County, Idaho
Spouse, age 50
Madison-County, Idaho · implied b. ~1890 — 6 household members
| Surname | Smith |
| Given Name | Emma |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Idaho |
| 1935 Residence (City) | Thornton E. D. |
| 1935 Residence (County) | Madison |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Emma Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Emma Smith
Spouse · 1940 · age 50 · b. ~1890 · 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 — Madison-County, Idaho
Open full size
1940 US Federal Census — Madison-County, Idaho
Page Contents
21 people indexed on this census page (nara:1940:m-t0627-00750-00882)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nona Maughn | 11 | daughter | — | Idaho |
| 2 | Earl S. Smith | 55 | head | Farming | Utah |
| 3 | Emma Smith THIS PERSON | 50 | wife | — | Idaho |
| 4 | Ren Smith | 22 | son | Ot. | Idaho |
| 5 | Leo Smith | 19 | son | Ot. | Idaho |
| 6 | Thala Smith | 16 | daughter | Ot. | Idaho |
| 7 | Aldean Smith | 13 | daughter | — | Idaho |
| 8 | Thomas Hancock | 40 | head | Farming | Utah |
| 9 | Jean Hancock | 40 | wife | — | Idaho |
| 10 | Elwood Hancock | 15 | son | — | Idaho |
| 11 | Bernie Hancock | 3 | son | — | Idaho |
| 12 | Ramon Martinez | 27 | head | Ot. | Mexico |
| 13 | Seth Madrigal | 52 | friend | Ot. | Mexico |
| 14 | Isaac Madrigal | 48 | friend | Ot. | Mexico |
| 15 | Melvin Williams | 37 | head | Farming | Idaho |
| 16 | Vivian Williams | 35 | wife | — | Idaho |
| 17 | Melba Williams | 15 | daughter | — | Idaho |
| 18 | Dorothy Williams | 13 | daughter | — | Idaho |
| 19 | Jay Williams | 11 | son | — | Idaho |
| 20 | Barbara Williams | 3 | daughter | — | Idaho |
| 21 | Henry Vollmann | 81 | head | Farmer | Nebraska |
Related Census Records
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)