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Betty Adams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Illinois
Our Model Tree links this Betty Adams across the 1930 and 1940 US Censuses in Knox-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Illinois |
| Surname | Adams |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Elba Twp |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Elba Twp |
| Est. Birth Year | ~1925 |
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 1940 census.
| Name | Relation to head | Relative to Betty | Age | Birth yr |
|---|---|---|---|---|
| Samuel Adams | Son | — | 3 | ~1937 |
| Alfred Hunter | Other | — | 34 | ~1906 |
| Edna Adams | Head | — | 41 | ~1899 |
| James Adams | Son | — | 11 | ~1929 |
| Betty Adams | Daughter | — | 15 | ~1925 |
| Marjorie Adams | Daughter | — | 5 | ~1935 |
| Elmer Turk | Other | — | 34 | ~1906 |
| Muriel Adams | Daughter | — | 13 | ~1927 |
| Faye Adams | Daughter | — | 7 | ~1933 |
| Glenn Adams | Son | — | 18 | ~1922 |
Census Appearances
1930
Knox, Illinois
Other, age 5
Knox, Illinois · implied b. ~1925 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Betty |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Knox-County, Illinois
Daughter, age 15
Knox-County, Illinois · implied b. ~1925 — 10 household members
| Surname | Adams |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Elba Twp |
| 1935 Residence (County) | Knox |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Betty Adams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Betty Adams
Daughter · 1940 · age 15 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
Faye Adams
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Samuel Adams
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Muriel Adams
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Adams
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Glenn Adams
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Adams
Sibling · 1940 · age 11
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 — Knox-County, Illinois
Open full size
1940 US Federal Census — Knox-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00826-00170)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Lou Baird | 8 | Daughter | — | Illinois |
| 42 | William D. Baird | 6 | Son | — | Illinois |
| 43 | Richard B. Baird | 5 | Son | — | Illinois |
| 44 | Byron L. Baird | 62 | Father | Farmer | Illinois |
| 45 | Paul R. Gilpin | 41 | Head | Farm Laborer | Iowa |
| 46 | Elizabeth Gilpin | 31 | Wife | — | Illinois |
| 47 | Gilbert Gilpin | 11 | Son | — | Illinois |
| 48 | Ralph O. Baird | 57 | Head | Farmer | Illinois |
| 49 | Nola Baird | 54 | Wife | — | Illinois |
| 50 | James Baird | 19 | Son | — | Illinois |
| 51 | William La Follette | 24 | Hired Man | Farm Laborer | Illinois |
| 52 | Forrest Wary | 34 | Head | Farm Laborer | Illinois |
| 53 | Sarah R. Wary | 30 | Wife | — | Illinois |
| 54 | Eugene Wary | 10 | Son | — | Illinois |
| 55 | Shirley Wary | 6 | Daughter | — | Illinois |
| 56 | Carolide Wary | 4 | Daughter | — | Illinois |
| 57 | Mary Murphy | 77 | Boarder | House Keeper | Illinois |
| 58 | E. T. Peterson | 74 | Head | Farmer | Sweden |
| 59 | Hulda N. Peterson | 72 | Wife | — | Sweden |
| 60 | Cletus L. Peterson | 34 | Son | Farm Laborer | Illinois |
| 61 | Edna Adams | 41 | Head | — | Illinois |
| 62 | Glenn Adams | 18 | Son | — | Illinois |
| 63 | Betty Adams THIS PERSON | 15 | Daughter | — | Illinois |
| 64 | Muriel Adams | 13 | Daughter | — | Illinois |
| 65 | James Adams | 11 | Son | — | Illinois |
| 66 | Faye Adams | 7 | Daughter | — | Illinois |
| 67 | Marjorie Adams | 5 | Daughter | — | Illinois |
| 68 | Samuel Adams | 3 | Son | — | Illinois |
| 69 | Elmer Turk | 34 | Brother | New Worker | Illinois |
| 70 | Alfred Hunter | 34 | Lodger | Farmer | Missouri |
| 71 | Dale Brown | 31 | Head | — | Illinois |
| 72 | Nina R. Brown | 21 | Wife | — | Illinois |
| 73 | Arthur Brown | 1 | Son | — | Illinois |
| 74 | Harold H. Weller | 29 | Head | Farmer | Illinois |
| 75 | Zelda R. Weller | 28 | Wife | — | Illinois |
| 76 | Billy Weller | 7 | Son | — | Illinois |
| 77 | Joyce Weller | 2 | Daughter | — | Illinois |
| 78 | Gale Alderson | 20 | Hired Man | Farm Laborer | Missouri |
| 79 | Raymond Eldert | 22 | Head | Farmer | Illinois |
| 80 | Louise R. Eldert | 21 | Wife | — | Illinois |
Related Census Records
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)