LC
Lois Clark — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Davis, Utah
Our Model Tree links this Lois Clark across the 1920 and 1930 US Censuses in Davis, Utah (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 9-person household.
Age 12
b. ~1918
Female
Daughter
Born: Utah
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Davis, Utah |
| Surname | Clark |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Clearfield Town |
| Est. Birth Year | ~1918 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Lois | Age | Birth yr |
|---|---|---|---|---|
| Ralph Clark | Son | — | 7 | ~1923 |
| Davina Clark | Daughter | — | 8 | ~1922 |
| J Clark | Head | — | 49 | ~1881 |
| Albertha Clark | Other | — | 46 | ~1884 |
| Charles Clark | Son | — | 13 | ~1917 |
| Bobby Clark | Son | — | 10 | ~1920 |
| Mildred Clark | Daughter | — | 19 | ~1911 |
| Albertha Clark | Daughter | — | 5 | ~1925 |
| Lois Clark | Daughter | — | 12 | ~1918 |
Census Appearances
1920
Davis, Utah
Daughter, age 2
Davis, Utah · implied b. ~1918 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Davis, Utah
Daughter, age 12
Davis, Utah · implied b. ~1918 — 9 household members
| Surname | Clark |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| 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 Lois Clark across 2 US Census years (1920 and 1930) in Davis, Utah, using XGBoost record linkage.
Show:
This person
Anchor record
Lois Clark
Daughter · 1930 · age 12 · b. ~1918 · Utah
★ You are viewing this record
Sibling
Albertha Clark
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Clark
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Clark
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobby Clark
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Clark
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Davina Clark
Sibling · 1930 · age 8
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
1930 US Federal Census — Davis, Utah
Open full size
1930 US Federal Census — Davis, Utah
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2415unit:0700)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mac Brown | 1 | Son | — | Utah |
| 2 | J. Edward Clark | 49 | Head | Welder | Utah |
| 3 | Albertha Clark | 46 | Wife-H | — | Utah |
| 4 | Mildred Clark | 19 | Daughter | Cutter | Utah |
| 5 | Charles Clark | 13 | Son | — | Utah |
| 6 | Lois Clark THIS PERSON | 12 | Daughter | — | Utah |
| 7 | Bobby Clark | 10 | Son | — | Utah |
| 8 | Davina Clark | 8 | Daughter | — | Utah |
| 9 | Ralph J. Clark | 7 | Son | — | Utah |
| 10 | Albertha Clark | 5 | Daughter | — | Utah |
| 11 | Elmer E. Nielsen | 42 | Head | Farmer | Utah |
| 12 | Isabella Nielsen | 44 | Wife-H | — | Washington |
| 13 | Johanna Nielsen | 74 | Mother | — | Denmark |
| 14 | Isabella Symons | 19 | Step daughter | — | Oregon |
| 15 | David W. Duncan | 43 | Head | Foreman | Utah |
| 16 | Louie S. Duncan | 40 | Wife-H | — | Utah |
| 17 | Joseph S. Duncan | 17 | Son | — | Utah |
| 18 | Blair Duncan | 15 | Son | — | Utah |
| 19 | Blenda Duncan | 13 | Daughter | — | Utah |
| 20 | Odetta Duncan | 10 | Daughter | — | Utah |
| 21 | Letha Duncan | 8 | Daughter | — | Utah |
| 22 | Dalby Hodson | 46 | Head | Farmer | Utah |
| 23 | Clara Hodson | 44 | Wife-H | — | Utah |
| 24 | Elmo Hodson | 20 | Son | Laborer | Utah |
| 25 | Virgil Hodson | 19 | Son | — | Utah |
| 26 | Dale Hodson | 17 | Son | — | Utah |
| 27 | Sherman Hodson | 13 | Son | — | Utah |
| 28 | Gwen Hodson | 12 | Daughter | — | Utah |
| 29 | Fay Hodson | 10 | Daughter | — | Utah |
| 30 | Mae Hodson | 8 | Daughter | — | Utah |
| 31 | Theo Hodson | 6 | Daughter | — | Utah |
| 32 | Beverly Hodson | 2 | Daughter | — | Utah |
| 33 | Joseph L. Mabey | 50 | Head | Right Of Way & Claim Agent | Utah |
| 34 | Margaret P. Mabey | 52 | Wife-H | — | Utah |
| 35 | Charles M. Mabey | 24 | Son | Surveyor Helper | Utah |
| 36 | Margaret Mabey | 21 | Daughter | Sales Girl | Utah |
| 37 | Philip S. Mabey | 20 | Son | Truck Driver | Utah |
| 38 | Helen Mabey | 18 | Daughter | — | Utah |
| 39 | Joseph G. Jr. Mabey | 17 | Son | — | Utah |
| 40 | Kathleen Mabey | 10 | Daughter | — | Utah |
| 41 | George H. Payne | 75 | Father-in-law | — | Utah |
| 42 | A. W. Scott | 55 | Head | Farmer | Kentucky |
| 43 | Della Scott | 55 | Wife-H | Farmer | Kentucky |
| 44 | Arvil Sessions | 37 | Head | — | Utah |
| 45 | Hattie Sessions | 37 | Wife-H | Transfer Contractor | West Virginia |
| 46 | Nina Sessions | 15 | Daughter | — | Utah |
| 47 | Jay J. Sessions | 13 | Son | — | Utah |
| 48 | Arvil S. Sessions | 9 | Son | — | Utah |
| 49 | Joseph G. Sessions | 2 | Son | — | Utah |
| 50 | Samuel G. Layton | 66 | Head | Farmer | Utah |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)