ED
Emma Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Yellowstone-County, Montana
Our Model Tree links this Emma Davis across the 1930 and 1940 US Censuses in Yellowstone-County, Montana (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 13-person household.
Age 51
b. ~1889
Female
Spouse
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Yellowstone-County, Montana |
| Surname | Davis |
| Given Name | Emma L. G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Billings |
| 1935 Residence (County) | Yellowstone |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Billings |
| Est. Birth Year | ~1889 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Emma | Age | Birth yr |
|---|---|---|---|---|
| Lila Davis | Daughter | — | 13 | ~1927 |
| Joyce Cook | Daughter | — | 21 | ~1919 |
| Velma Trujillo | Daughter | — | 29 | ~1911 |
| Gene Davis | Daughter | — | 18 | ~1922 |
| Oscar Davis | Head | — | 59 | ~1881 |
| Emily Trujillo | Other | — | 3 | ~1937 |
| Walter Worland | Other | — | 10 | ~1930 |
| Wallace Worland | Other | — | 7 | ~1933 |
| Chester Cook | Other | — | 23 | ~1917 |
| Stanley Davis | Son | — | 30 | ~1910 |
| Linwood Davis | Son | — | 7 | ~1933 |
| Lyle Davis | Son | — | 16 | ~1924 |
| Emma Davis | Spouse | — | 51 | ~1889 |
Census Appearances
1930
Yellowstone, Montana
Other, age 41
Yellowstone, Montana · implied b. ~1889 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Emma L |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Age at First Marriage | 20 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Yellowstone-County, Montana
Spouse, age 51
Yellowstone-County, Montana · implied b. ~1889 — 13 household members
| Surname | Davis |
| Given Name | Emma L. G. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Billings |
| 1935 Residence (County) | Yellowstone |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Emma Davis
Spouse · 1940 · age 51 · b. ~1889 · Montana
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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 — Yellowstone-County, Montana
Open full size
1940 US Federal Census — Yellowstone-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02234-00021)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Earnest Copenhaver | Copenhavern | 31 | Brother | Truck Driver | Kansas |
| 42 | Oscar L. Davis | 59 | Head | Postal Clerk | Nebraska |
| 43 | Emma L. G. Davis THIS PERSON | 51 | Wife | — | South Dakota |
| 44 | Stanley E. Davis | 30 | Son | Miner | Montana |
| 45 | Gene E. Davis | 18 | Daughter | — | Montana |
| 46 | Lyle G. Davis | 16 | Son | — | Montana |
| 47 | Lila L. Davis | 13 | Daughter | — | Montana |
| 48 | Linwood L. Davis | 7 | Son | — | Montana |
| 49 | Velma E. Trujillo | 29 | Daughter | — | Montana |
| 50 | Emily L. Trujillo | 3 | Granddaughter | — | Montana |
| 51 | Walter Worland | 10 | Grandson | — | Montana |
| 52 | Wallace Worland | 7 | Grandson | — | Montana |
| 53 | Chester C. Cook | 23 | Son-in-law | Brick Setter | Wisconsin |
| 54 | Joyce E. Cook | 21 | Daughter | — | Montana |
| 55 | Halmer Landstad | 66 | Head | Weaver | Sweden |
| 56 | Theodore M. Heischner | Hirschner | 30 | Head | Labourer | Montana |
| 57 | Violet A. G. Heischner | Hirschner | 24 | Wife | — | Montana |
| 58 | Garry J. Heischner | Hirschner | 2 | Son | — | Montana |
| 59 | Wayne L. Heischner | Hirschner | 1 | Son | — | Montana |
| 60 | Florence Heischner | Hirschner | 19 | Sister | — | Montana |
| 61 | Harold P. Dougherty | 27 | Head | Attendant | California |
| 62 | Laura E. Dougherty | 23 | Wife | — | Montana |
| 63 | Doreen L. Dougherty | 1 | Daughter | — | Montana |
| 64 | James F. Baker | 59 | Head | Painter | Nebraska |
| 65 | Bessie V. Baker | 44 | Wife | — | Iowa |
| 66 | Russell W. Ennis | 33 | Head | Painter | Rhode Island |
| 67 | Mary Ennis | 32 | Wife | — | Montana |
| 68 | Mary E. Ennis | 11 | Daughter | — | Fort Wayne |
| 69 | Jackie R. Ennis | 7 | Son | — | Fort Wayne |
| 70 | Lloyd J. Agnew | 25 | Head | Projectionist | Montana |
| 71 | Rhea E. Agnew | 19 | Wife | — | Montana |
| 72 | Fred Hofer | 55 | Head | Painter | Wisconsin |
| 73 | Lora E. G. Hofer | 44 | Wife | — | Minnesota |
| 74 | Lloyd F. Hofer | 19 | Son | Painter | Wisconsin |
| 75 | Fern P. Hofer | 16 | Daughter | — | Montana |
| 76 | Irene M. Frohlich | 16 | Housekeeper | Housekeeper | North Dakota |
| 77 | Lester Yorefsky | Korefsky | 35 | Head | Express Driver | Montana |
| 78 | Mary Yorefsky | Korefsky | 35 | Wife | — | Massachusetts |
| 79 | Georgia Yorefsky | Korefsky | 8 | Daughter | — | Oregon |
| 80 | Fred Wohlite | Worlite | 67 | Head | Plasterer | Romania |
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)