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Ada Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oneida-County, Idaho
Our Model Tree links this Ada Williams across the 1930 and 1940 US Censuses in Oneida-County, Idaho (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 6-person household.
Age 39
b. ~1901
Female
Spouse
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Oneida-County, Idaho |
| Surname | Williams |
| Given Name | Ada S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Malad |
| 1935 Residence (County) | Oneida |
| Additional Details | |
| Occupation | Housekeeper |
| Industry | At home |
| Class of Worker | OA |
| Highest Grade | H 2 |
| 1935 Residence | Idaho |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Housekeeper |
| Township / Ward | Cherry Creek |
| Est. Birth Year | ~1901 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ada | Age | Birth yr |
|---|---|---|---|---|
| Marvin Williams | Daughter | — | 2 | ~1938 |
| Adrianne Williams | Daughter | — | 8 | ~1932 |
| William Williams | Head | — | 41 | ~1899 |
| William Williams | Son | — | 10 | ~1930 |
| Gerald Williams | Son | — | 6 | ~1934 |
| Ada Williams | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Oneida, Idaho
Other, age 29
Oneida, Idaho · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Ada |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 27 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Utah |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Oneida-County, Idaho
Spouse, age 39
Oneida-County, Idaho · implied b. ~1901 — 6 household members
| Surname | Williams |
| Given Name | Ada S. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Malad |
| 1935 Residence (County) | Oneida |
| Occupation | Housekeeper |
| Industry | At home |
| Class of Worker | OA |
| Highest Grade | H 2 |
| 1935 Residence | Idaho |
| 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 Ada Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ada Williams
Spouse · 1940 · age 39 · b. ~1901 · Idaho
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Oneida-County, Idaho
Open full size
1940 US Federal Census — Oneida-County, Idaho
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00752-00016)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wanna H. Williams | 46 | Wife | Housekeeper | Utah |
| 2 | Marguerite Williams | 19 | Daughter | Student | Utah |
| 3 | Cordell T. Williams | 15 | Son | Student | Utah |
| 4 | William H. Williams | 41 | Head | Laborer | Idaho |
| 5 | Ada S. Williams THIS PERSON | 39 | Wife | Housekeeper | Utah |
| 6 | William Clair Williams | 10 | Son | — | Idaho |
| 7 | Adrianne Williams | 8 | Daughter | — | Idaho |
| 8 | Gerald Ray Williams | 6 | Son | — | Idaho |
| 9 | Marvin Williams | 2 | Daughter | — | Idaho |
| 10 | Ira R. Moon | 45 | Head | Laborer | Idaho |
| 11 | Maud P. Moon | 42 | Wife | Housekeeper | Idaho |
| 12 | Ira Glen Moon | 19 | Son | Student | Idaho |
| 13 | Cleo M. Moon | 15 | Daughter | Student | Idaho |
| 14 | Franklin D. Moon | 7 | Son | — | Idaho |
| 15 | Loren Moon | 80 | Head | Farmer | Utah |
| 16 | Charlotte Moon | 75 | Wife | Housekeeper | Utah |
| 17 | Elva E. Moon | 56 | Daughter | Housekeeper | Utah |
| 18 | James A. Butters | 42 | Head | Farmer | Idaho |
| 19 | Clara Butters | 37 | Wife | Housekeeper | Idaho |
| 20 | Margaret E. Butters | 16 | Daughter | Student | Idaho |
| 21 | Della May Butters | 13 | Daughter | — | Idaho |
| 22 | Gerald Butters | 11 | Son | — | Idaho |
| 23 | Markell Butters | 5 | Son | — | Idaho |
| 24 | Joseph Moon | 47 | Head | Farmer | Utah |
| 25 | Reed Moon | 23 | Son | — | Idaho |
| 26 | Dale Moon | 22 | Son | Farmer | Idaho |
| 27 | Alta J. Moon | 20 | Daughter | Housekeeper | Idaho |
| 28 | Connie Lou Moon | 5 | Daughter | — | Idaho |
| 29 | Delma Selvey | 15 | Niece | — | Idaho |
| 30 | Josiah Moon | 83 | Head | Farmer | Utah |
| 31 | Thomas D. Price | 51 | Head | Farmer | Idaho |
| 32 | Ester Blodwin Price | 49 | Wife | Housekeeper | Idaho |
| 33 | Glen Price | 18 | Son | Student | Idaho |
| 34 | Ralph Price | 16 | Son | Student | Idaho |
| 35 | Gwen Price | 14 | Daughter | Student | Idaho |
| 36 | Charles W. A. Bills | 68 | Head | Farmer | Idaho |
| 37 | Elizabeth C. Bills | 63 | Wife | Housekeeper | Utah |
| 38 | Victor Bills | 33 | Son | Laborer | Idaho |
| 39 | Delon (A) Bills | 19 | Son | Laborer | 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)