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Lena Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ada-County, Idaho
Our Model Tree links this Lena Davis across the 1930 and 1940 US Censuses in Ada-County, Idaho (XGBoost, ~Confirmed) — first a spouse (b.~1912), then head of a 7-person household.
Age 28
b. ~1912
Female
Spouse
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ada-County, Idaho |
| Surname | Davis |
| Given Name | Lena E. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | N. Kuna P. |
| 1935 Residence (County) | Ada |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | N Kuna P |
| Est. Birth Year | ~1912 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lena | Age | Birth yr |
|---|---|---|---|---|
| Carl Davis | Son | — | 10 | ~1930 |
| Lena Davis | Spouse | — | 28 | ~1912 |
| Joan Davis | Daughter | — | 5 | ~1935 |
| Bethel Davis | Daughter | — | 8 | ~1932 |
| John Davis | Head | — | 38 | ~1902 |
| Jaqueline Davis | Daughter | — | 6 | ~1934 |
| Dewie Hillebrandt | Other | — | 19 | ~1921 |
Census Appearances
1930
Ada, Idaho
Spouse, age 19
Ada, Idaho · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Lina |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 16 |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Ada-County, Idaho
Spouse, age 28
Ada-County, Idaho · implied b. ~1912 — 7 household members
| Surname | Davis |
| Given Name | Lena E. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | N. Kuna P. |
| 1935 Residence (County) | Ada |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Lena Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lena Davis
Spouse · 1940 · age 28 · b. ~1912 · 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 — Ada-County, Idaho
Open full size
1940 US Federal Census — Ada-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00736-00305)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vera E. Rycka | 28 | wife | Teacher | Oregon |
| 2 | Leroy V. Rycka | 6 | son | — | Idaho |
| 3 | Janet M. Rycka | 3 | daughter | — | Idaho |
| 4 | Gary P. Rycka | 1 | son | — | Idaho |
| 5 | Mark E. Webster | 55 | head | Farmer | Iowa |
| 6 | Maud D. Webster | 53 | wife | — | Iowa |
| 7 | Marjory E. Webster | 30 | daughter | Teacher | Idaho |
| 8 | Jerry C. Haleby | 33 | head | Farmer | Kansas |
| 9 | Julia L. Haleby | 30 | wife | — | Idaho |
| 10 | Darrell V. Haleby | 11 | son | — | Idaho |
| 11 | Wanda F. Haleby | 6 | daughter | — | Idaho |
| 12 | Gary C. Haleby | 1 | son | — | Idaho |
| 13 | Basil R. Lamb | 26 | head | Laborer | Oklahoma |
| 14 | Ruby G. Lamb | 25 | wife | — | Oklahoma |
| 15 | Jean E. Lamb | 1 | daughter | — | Idaho |
| 16 | Joan E. Lamb | 1 | daughter | — | Idaho |
| 17 | Bernice Hillebrandt | 18 | sister-in-law | — | Oklahoma |
| 18 | Virgil L. Davis | 34 | head | Laborer | Iowa |
| 19 | Leta Davis | 31 | wife | — | Nebraska |
| 20 | Virgil Davis | 11 | son | — | Nebraska |
| 21 | Janice Davis | 9 | daughter | — | Nebraska |
| 22 | Helen Davis | 7 | son | — | Nebraska |
| 23 | Donene Davis | 5 | daughter | — | Nebraska |
| 24 | Larry Davis | 2 | son | — | Nebraska |
| 25 | Patsy Davis | 12 | daughter | — | Idaho |
| 26 | John F. Davis | 38 | head | Farmer | Arkansas |
| 27 | Lena E. Davis THIS PERSON | 28 | wife | — | Kansas |
| 28 | Carl Davis | 10 | son | — | Idaho |
| 29 | Bethel Davis | 8 | daughter | — | Idaho |
| 30 | Jaqueline Davis | 6 | daughter | — | Idaho |
| 31 | Joan Davis | 5 | daughter | — | Idaho |
| 32 | Dewie Hillebrandt | 19 | lodger | Farmer | Oklahoma |
| 33 | Henry C. Heatherly | 59 | head | — | Arkansas |
| 34 | Sarah A. Heatherly | 62 | wife | — | Arkansas |
| 35 | Ermal Heatherly | 26 | son | Common Laborer | Arkansas |
| 36 | William H. Heatherly | 19 | son | Hand | Arkansas |
| 37 | Clara C. Heatherly | 22 | daughter | House Work | Arkansas |
| 38 | William E. Valley | 59 | head | Farmer | Kansas |
| 39 | Elsie L. Valley | 71 | wife | — | New York |
| 40 | William Staehel | 56 | head | Farmer | Germany |
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)