SD
Shirley Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bonneville-County, Idaho
Our Model Tree links this Shirley Davis across the 1930 and 1940 US Censuses in Bonneville-County, Idaho (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 7-person household.
Age 14
b. ~1926
Female
Daughter
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bonneville-County, Idaho |
| Surname | Davis |
| Given Name | Shirley |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Idaho Falls |
| 1935 Residence (County) | Bonneville |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Idaho Falls |
| Est. Birth Year | ~1926 |
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 Shirley | Age | Birth yr |
|---|---|---|---|---|
| Vilete Davis | Spouse | — | 40 | ~1900 |
| Virginia Davis | Daughter | — | 20 | ~1920 |
| Shirley Davis | Daughter | — | 14 | ~1926 |
| Willis Davis | Daughter | — | 7 | ~1933 |
| Eva Davis | Daughter | — | 16 | ~1924 |
| Reba Davis | Daughter | — | 18 | ~1922 |
| Ivan Davis | Head | — | 48 | ~1892 |
Census Appearances
1930
Bonneville, Idaho
Daughter, age 4
Bonneville, Idaho · implied b. ~1926 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Shirley |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Idaho |
| Mother's Birthplace | Idaho |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Bonneville-County, Idaho
Daughter, age 14
Bonneville-County, Idaho · implied b. ~1926 — 7 household members
| Surname | Davis |
| Given Name | Shirley |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Idaho Falls |
| 1935 Residence (County) | Bonneville |
| 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 Shirley Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Shirley Davis
Daughter · 1940 · age 14 · b. ~1926 · Idaho
★ You are viewing this record
Sibling
Eva Davis
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willis Davis
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Reba Davis
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Davis
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Bonneville-County, Idaho
Open full size
1940 US Federal Census — Bonneville-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00741-00115)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Virgil Edwards | 30 | Head | Store Keeper | Idaho |
| 2 | Delva Edwards | 25 | Wife | Asst Store Keeper | Idaho |
| 3 | Larry Edwards | 3 | Son | — | Idaho |
| 4 | Ronald K Edwards | 0 | Son | — | Idaho |
| 5 | Syble Wender | 21 | Sister-in-law | — | Idaho |
| 6 | Garland Dennis | 34 | Head | Beauty Opr | Nebraska |
| 7 | Thora Dennis | 23 | Wife | Trucking | Idaho |
| 8 | Denny O Dennis | 1 | Son | — | Idaho |
| 9 | Joseph Gresham | 33 | Head | Trucking | Illinois |
| 10 | Lucinda Gresham | 33 | Wife | Finishing Floor | Penns. |
| 11 | James Gresham | 13 | Son | — | Idaho |
| 12 | Mary C. Howell | 69 | Mother-in-law | — | Penns. |
| 13 | Edward Hammon | 21 | Head | Potato Grader | Idaho |
| 14 | Oelsie Hammon | 20 | Wife | — | Idaho |
| 15 | Barbara Hammon | 2 | Daughter | — | Idaho |
| 16 | Jerry Sessions | 63 | Head | Watchman | Utah |
| 17 | Jennie Sessions | 63 | Wife | — | Minnesota |
| 18 | Ezra E Olson | 39 | Head | Drayman | Idaho |
| 19 | Lillian O Olson | 35 | Wife | — | Utah |
| 20 | Blaine Olson | 13 | Son | — | Idaho |
| 21 | Melba Olson | 11 | Daughter | — | Idaho |
| 22 | Clyde Olson | 9 | Son | — | Idaho |
| 23 | Carol Olson | 1 | Daughter | — | Idaho |
| 24 | Jay Pappleton | 34 | Head | Truck | Utah |
| 25 | Ellen Pappleton | 27 | Wife | — | Utah |
| 26 | Ruth Alma Pappleton | 5 | Daughter | — | Idaho |
| 27 | George B Pappleton | 4 | Son | — | Utah |
| 28 | Ivan E Davis | 48 | Head | Plumer | Idaho |
| 29 | Vilete Davis | 40 | Wife | — | Idaho |
| 30 | Virginia Davis | 20 | Daughter | — | Idaho |
| 31 | Reba Davis | 18 | Daughter | — | Idaho |
| 32 | Eva Davis | 16 | Daughter | — | Idaho |
| 33 | Shirley Davis THIS PERSON | 14 | Daughter | — | Idaho |
| 34 | Willis J. Davis | 7 | Daughter | — | Idaho |
| 35 | Robert Watson | 38 | Head | Jack Hammer Opr | Utah |
| 36 | Edna Watson | 36 | Wife | — | Utah |
| 37 | Marcella Watson | 16 | Daughter | — | Utah |
| 38 | Arlene Watson | 13 | Daughter | — | Utah |
| 39 | Dale Watson | 2 | Son | — | Idaho |
| 40 | Albert J Rhoades | 41 | Head | Mechanic | Idaho |
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)