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Thomas Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Oneida, Idaho
Our Model Tree links this Thomas Davis across the 1900, 1910, 1920 and 1930 US Censuses in Oneida, Idaho (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 10-person household.
Age 54
b. ~1876
Male
Head
Born: Wales
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Oneida, Idaho |
| Surname | Davis |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Wales |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 23 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Additional Details | |
| Occupation | Farmer |
| Industry | Own farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Occupation | Farmer |
| Township / Ward | Malad Election Precinct No 1 |
| Est. Birth Year | ~1876 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mary Davis | Daughter | — | 16 | ~1914 |
| Thomas Davis | Head | — | 54 | ~1876 |
| Rachel Davis | Other | — | 51 | ~1879 |
| Sam Davis | Son | — | 18 | ~1912 |
| Harvey Davis | Son | — | 9 | ~1921 |
| Arthur Davis | Son | — | 11 | ~1919 |
| Harold Davis | Son | — | 13 | ~1917 |
| Joseph Davis | Son | — | 25 | ~1905 |
| Henry Davis | Son | — | 23 | ~1907 |
| Gale Davis | Son | — | 20 | ~1910 |
Census Appearances
1900
Sangamon, Illinois
Head, age 27
Sangamon, Illinois · implied b. ~1873 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Wales |
| Birth Month | Oct |
| Birth Year | 1873 |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Coal Miner |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1910
Sangamon, Illinois
Head, age 36
Sangamon, Illinois · implied b. ~1874 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Wales |
| Years Married | 13 |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Mine Manager |
| Industry | Coal Mine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1920
Sangamon, Illinois
Head, age 44
Sangamon, Illinois · implied b. ~1876 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Wales |
| Year of Immigration | 1886 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | miner |
| Industry | coal mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Home Owned/Rented | R |
| Birth Country | Wales |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | wales |
1930
Oneida, Idaho
Head, age 54
Oneida, Idaho · implied b. ~1876 — 10 household members
| Surname | Davis |
| Given Name | Thomas J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Wales |
| Naturalization Status | Naturalized |
| Year of Immigration | 1887 |
| Age at First Marriage | 23 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | Farmer |
| Industry | Own farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
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 Thomas Davis across 4 US Census years (1900, 1910, 1920 and 1930) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Davis
Head · 1930 · age 54 · b. ~1876 · Idaho
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Oneida, Idaho
Open full size
1930 US Federal Census — Oneida, Idaho
Page Contents
50 people indexed on this census page (ia:1930:15thcensus402unit:0365)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas Thomas | 6 | Son | — | Idaho |
| 52 | Ida M. Thomas | 2 | Daughter | — | Idaho |
| 53 | Paul Perry | 38 | Head | Farmer | Idaho |
| 54 | Mary M. Perry | 32 | Wife-H | — | Idaho |
| 55 | Warden J. Perry | 13 | Son | — | Idaho |
| 56 | Mildred F. Perry | 10 | Daughter | — | Idaho |
| 57 | John Perry | 5 | Son | — | Idaho |
| 58 | William J. Perry | 2 | Son | — | Idaho |
| 59 | Joshua W. Thomas | 37 | Head | Farmer | Utah |
| 60 | Mary M. Thomas | 34 | Wife-H | — | Idaho |
| 61 | Arline E. Thomas | 12 | Daughter | — | Idaho |
| 62 | Lois M. Thomas | 11 | Daughter | — | Idaho |
| 63 | Thomas J. Davis THIS PERSON | 54 | Head | Farmer | Wales |
| 64 | Rachel A. Davis | 51 | Wife-H | — | Idaho |
| 65 | Joseph L. Davis | 25 | Son | Farmer | Idaho |
| 66 | Henry J. Davis | 23 | Son | Farmer | Idaho |
| 67 | Gale Davis | 20 | Son | Laborer | Idaho |
| 68 | Sam W. Davis | 18 | Son | — | Idaho |
| 69 | Mary Davis | 16 | Daughter | — | Idaho |
| 70 | Harold J. Davis | 13 | Son | — | Idaho |
| 71 | Arthur Davis | 11 | Son | — | Idaho |
| 72 | Harvey Davis | 9 | Son | — | Idaho |
| 73 | Harry D. Harrison | 22 | Head | Farmer | Idaho |
| 74 | Laura B. Harrison | 21 | Wife-H | — | Idaho |
| 75 | Lawrence G. Harrison | 1 | Son | — | Idaho |
| 76 | Larry G. Harrison | 1 | Son | — | Idaho |
| 77 | John J. Davis | 25 | Head | Farmer | Idaho |
| 78 | Isabell Davis | 48 | Mother | — | Utah |
| 79 | Lester M. Davis | 19 | Son | Laborer | Utah |
| 80 | Thomas J. Jones | 43 | Head | Farmer | Idaho |
| 81 | Mary H. Jones | 39 | Wife-H | — | Idaho |
| 82 | Rollin J. Jones | 10 | Son | — | Idaho |
| 83 | Mary L. Jones | 4 | Daughter | — | Idaho |
| 84 | Myrtle L. Jones | 2 | Daughter | — | Idaho |
| 85 | Delphi W. Lewis | 48 | Head | Laborer | Idaho |
| 86 | Sally Lewis | 50 | Wife-H | — | Idaho |
| 87 | Loyal Lewis | 23 | Son | Laborer | Idaho |
| 88 | Daniel Lewis | 18 | Son | Laborer | Idaho |
| 89 | Otis Lewis | 16 | Son | Laborer | Idaho |
| 90 | William H. Richards | 36 | Head | Farmer | Idaho |
| 91 | Margaret Richards | 30 | Wife-H | — | Utah |
| 92 | Marjorie J. Richards | 12 | Daughter | — | Idaho |
| 93 | Ralph J. Richards | 10 | Son | — | Idaho |
| 94 | Ella M. Richards | 4 | Daughter | — | Idaho |
| 95 | Stella M. Thomas | 36 | Head | County Treasurer | Iowa |
| 96 | Jack M. Thomas | 17 | Son | Laborer | Idaho |
| 97 | Ethel Thomas | 16 | Daughter | — | Idaho |
| 98 | Billy Thomas | 14 | Son | — | Idaho |
| 99 | Ralph Thomas | 12 | Son | — | Idaho |
| 100 | David Thomas | 10 | Son | — | Idaho |
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)