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Lois Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Salt Lake, Utah
Our Model Tree links this Lois Thomas across the 1920 and 1930 US Censuses in Salt Lake, Utah (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 8-person household.
Age 12
b. ~1918
Female
Daughter
Born: Utah
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Salt Lake, Utah |
| Surname | Thomas |
| Given Name | Lois C. |
| 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 | Salt Lake City |
| 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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Lois | Age | Birth yr |
|---|---|---|---|---|
| Susan Thomas | Daughter | — | 9 | ~1921 |
| Alta Thomas | Other | — | 32 | ~1898 |
| Lois Thomas | Daughter | — | 12 | ~1918 |
| Jenkins Thomas | Son | — | 2 | ~1928 |
| Betty Thomas | Daughter | — | 13 | ~1917 |
| Marion Thomas | Daughter | — | 11 | ~1919 |
| Jenkins Thomas | Head | — | 33 | ~1897 |
| Dorothy Thomas | Daughter | — | 14 | ~1916 |
Census Appearances
1920
Salt Lake, …
Daughter, age 2
Salt Lake, Utah · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| 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 |
| Occupation | none |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Daughter, age 12
Salt Lake, Utah · implied b. ~1918 — 8 household members
| Surname | Thomas |
| Given Name | Lois C. |
| 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 Thomas across 2 US Census years (1920 and 1930) in Salt Lake, Utah, using XGBoost record linkage.
Show:
This person
Anchor record
Lois Thomas
Daughter · 1930 · age 12 · b. ~1918 · Utah
★ You are viewing this record
Sibling
Jenkins Thomas
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Thomas
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Thomas
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Thomas
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Susan Thomas
Sibling · 1930 · age 9
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 — Salt Lake, Utah
Open full size
1930 US Federal Census — Salt Lake, Utah
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2420unit:0919)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Andrew A. Carlson | 74 | Head | Caretaker | Sweden |
| 52 | Anna C. Carlson | 75 | Wife-H | — | Sweden |
| 53 | Anna T. Carlson | 38 | Daughter | Maid | Sweden |
| 54 | Richard L. Barth | 20 | Head | Soda Drawer | Germany |
| 55 | Vilda G. Barth | 21 | Wife-H | — | Germany |
| 56 | Ralph Barth | 0 | Son | — | Utah |
| 57 | Jenkins T. Thomas | 33 | Head | Painter | Utah |
| 58 | Alta E. Thomas | 32 | Wife-H | — | Utah |
| 59 | Dorothy A. Thomas | 14 | Daughter | — | Utah |
| 60 | Betty C. Thomas | 13 | Daughter | — | Utah |
| 61 | Lois C. Thomas THIS PERSON | 12 | Daughter | — | Utah |
| 62 | Marion E. Thomas | 11 | Daughter | — | Utah |
| 63 | Susan G. Thomas | 9 | Daughter | — | Utah |
| 64 | Jenkins C. Thomas | 2 | Son | — | Utah |
| 65 | Ray Smith | 48 | Head | Carpenter | Nebraska |
| 66 | Ruby A. Smith | 41 | Wife-H | — | Minnesota |
| 67 | Esther A. Smith | 2 | Daughter | — | Utah |
| 68 | Anna Biesinger | 49 | Head | Janitress | Utah |
| 69 | Joseph F. Biesinger | 22 | Son | Garden Clerk | Utah |
| 70 | Mary E. Biesinger | 16 | Daughter | — | Utah |
| 71 | John H. Biesinger | 13 | Son | — | Utah |
| 72 | Lloyd E. Biesinger | 9 | Son | — | Utah |
| 73 | Colleen E. Biesinger | 3 | Daughter | — | Utah |
| 74 | Percy J. Lister | 35 | Head | Plasterer | Utah |
| 75 | Clara M. Lister | 33 | Wife-H | Housecleaning | Utah |
| 76 | Dorothy L. Lister | 12 | Daughter | — | Utah |
| 77 | Glen C. Lister | 11 | Son | — | Utah |
| 78 | Floyd C. Lister | 10 | Son | — | Utah |
| 79 | Eddie C. Lister | 9 | Son | — | Utah |
| 80 | Doris D. Lister | 8 | Daughter | — | California |
| 81 | Gene P. Lister | 7 | Son | — | California |
| 82 | Leslie B. Lister | 3 | Son | — | California |
| 83 | Clarence Sumpton | 37 | Head | Truck Driver | Utah |
| 84 | Ethel Sumpton | 38 | Wife | Cashier | Utah |
| 85 | Helen Sumpton | 18 | Daughter | Clerk | Utah |
| 86 | Dorothy Sumpton | 15 | Daughter-H | — | Utah |
| 87 | Priscilla Sumpton | 10 | Daughter | — | Utah |
| 88 | Robert Sumpton | 8 | Son | — | Utah |
| 89 | Mary Sumpton | 5 | Daughter | — | Utah |
| 90 | Blaine Sumpton | 2 | Son | — | Utah |
| 91 | William H. Van Os | 48 | Head | Painter | Holland |
| 92 | Cora A. Van Os | 44 | Wife-H | Produce House | Holland |
| 93 | Aletta Van Os | 20 | Daughter | Clerk | Holland |
| 94 | John Uffens | 16 | Step-son | — | Utah |
| 95 | Clara Uffens | 15 | Step-daughter | — | Utah |
| 96 | Lena Uffens | 14 | Step-daughter | — | Utah |
| 97 | Frances Uffens | 13 | Step-daughter | — | Utah |
| 98 | Orlando Uffens | 9 | Step-son | — | Utah |
| 99 | Cornelius Den Ouden | 36 | Nephew | Laborer | Holland |
| 100 | Thomas S. Gray | 41 | Head | Salesman | Utah |
Related Census Records
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)