SD
Shirley Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Utah-County, Utah
Our Model Tree links this Shirley Davis across the 1930 and 1940 US Censuses in Utah-County, Utah (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Female
Daughter
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Utah-County, Utah |
| Surname | Davis |
| Given Name | Shirley |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Utah |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Provo |
| Est. Birth Year | ~1928 |
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 |
|---|---|---|---|---|
| Betty Davis | Daughter | — | 17 | ~1923 |
| Helen Davis | Daughter | — | 27 | ~1913 |
| Shirley Davis | Daughter | — | 12 | ~1928 |
| Ronald Davis | Son | — | 2 | ~1938 |
| Laura Davis | Spouse | — | 47 | ~1893 |
| Mitchell Davis | Head | — | 52 | ~1888 |
| Mack Davis | Son | — | 24 | ~1916 |
Census Appearances
1930
Utah, Utah
Daughter, age 3
Utah, Utah · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Shirley |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Occupation | none |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Utah-County, Utah
Daughter, age 12
Utah-County, Utah · implied b. ~1928 — 7 household members
| Surname | Davis |
| Given Name | Shirley |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Utah |
| Highest Grade | No 6 |
| 1935 Residence | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 12 · b. ~1928 · Utah
★ You are viewing this record
Sibling
Ronald Davis
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Davis
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mack Davis
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Davis
Sibling · 1940 · age 17
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 — Utah-County, Utah
Open full size
1940 US Federal Census — Utah-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04220-00074)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Allen Chornquist | 22 | Head | Taxi Driver | Utah |
| 42 | Lorraine Chornquist | 19 | Wife | — | Utah |
| 43 | John Ernest Kindred | 30 | Head | Manager | Utah |
| 44 | Iva I. Kindred | 28 | Wife | — | Utah |
| 45 | Gerald Reed Kindred | 4 | Son | — | Utah |
| 46 | Carl Mehl | 45 | Head | Candy Foreman | Denmark |
| 47 | Elaine Mehl | 43 | Wife | — | Idaho |
| 48 | Carl Mehl | 15 | Son | — | California |
| 49 | Audrey Mehl | 13 | Daughter | — | California |
| 50 | Lloyd S. Harrington | 46 | Head | Painter & Decorator | Utah |
| 51 | Eva Harrington | 47 | Wife | — | Utah |
| 52 | Lelliath Harrington | 19 | Daughter | Stenographer | Utah |
| 53 | Kenneth Harrington | 17 | Son | — | Utah |
| 54 | Lloyd Junior Harrington | 15 | Son | — | Utah |
| 55 | Raymond Harrington | 12 | Son | — | Utah |
| 56 | Frank Head Sutherland | 24 | Head | Laborer | Utah |
| 57 | Claudia Sutherland | 21 | Wife | — | Utah |
| 58 | Mary Sutherland | 1 | Daughter | — | Utah |
| 59 | Don L. Kemp | 31 | Head | Miner | Utah |
| 60 | Ola Kemp | 31 | Wife | — | Utah |
| 61 | Garth Gale Kemp | 12 | Son | — | Utah |
| 62 | Alitta Anderson | 71 | Head | — | Norway |
| 63 | Christine Olsen | 68 | Head | — | Denmark |
| 64 | Olive Olsen | 37 | Daughter | Housework | Utah |
| 65 | West Side Block 6 And Begins Block 5 | None | — | — | — |
| 66 | Ross Ripple | 61 | Head | Lineman | Pennsylvania |
| 67 | Lillie Ripple | 55 | Wife | — | Utah |
| 68 | Wallace Ripple | 17 | Son | — | Utah |
| 69 | Mitchell I. Davis | 52 | Head | Sheepherder | Utah |
| 70 | Laura Davis | 47 | Wife | — | Utah |
| 71 | Helen Davis | 27 | Daughter | Attendant | Utah |
| 72 | Mack K. Davis | 24 | Son | Salesman | Utah |
| 73 | Betty E. Davis | 17 | Daughter | — | Utah |
| 74 | Shirley Davis THIS PERSON | 12 | Daughter | — | Utah |
| 75 | Ronald Davis | 2 | Son | — | Utah |
| 76 | Glen Ripple | 32 | Head | Tank Salesman | Utah |
| 77 | Naomi D. Ripple | 27 | Wife | — | Utah |
| 78 | Jessie Ripple | 10 | Daughter | — | Utah |
| 79 | Joseph A. Terry | 49 | Head | — | Utah |
| 80 | Bess B. Terry | 44 | Wife | Seamstress | Utah |
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)