BK
Betty King — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Vermilion-County, Illinois
Our Model Tree links this Betty King across the 1930 and 1940 US Censuses in Vermilion-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vermilion-County, Illinois |
| Surname | King |
| Given Name | Betty Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Danville |
| 1935 Residence (County) | Vermilion |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Danville |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Betty | Age | Birth yr |
|---|---|---|---|---|
| Ellwood King | Head | — | 41 | ~1899 |
| Betty King | Daughter | — | 15 | ~1925 |
| Evelyn King | Daughter | — | 4 | ~1936 |
| George King | Son | — | 7 | ~1933 |
| Nellie King | Spouse | — | 38 | ~1902 |
| Marjorie King | Daughter | — | 5 | ~1935 |
| John King | Son | — | 9 | ~1931 |
| Melva King | Daughter | — | 14 | ~1926 |
| Virginia King | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Vermilion, Illinois
Daughter, age 5
Vermilion, Illinois · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Betty J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Vermilion-County, Illinois
Daughter, age 15
Vermilion-County, Illinois · implied b. ~1925 — 9 household members
| Surname | King |
| Given Name | Betty Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Danville |
| 1935 Residence (County) | Vermilion |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| 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 King across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Betty King
Daughter · 1940 · age 15 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
Virginia King
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John King
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George King
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie King
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melva King
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn King
Sibling · 1940 · age 4
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 — Vermilion-County, Illinois
Open full size
1940 US Federal Census — Vermilion-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00897-00196)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Janice Moots | 3 | Daughter | — | Illinois |
| 42 | Frank Carroll | 34 | Head | Laborer | Illinois |
| 43 | Oria Carroll | 32 | Wife | — | Illinois |
| 44 | Betty Ann Carroll | 11 | Daughter | — | Illinois |
| 45 | Mary Jane Carroll | 10 | Daughter | — | Illinois |
| 46 | Frank Jr. Carroll | 6 | Son | — | Illinois |
| 47 | John William Carroll | 2 | Son | — | Illinois |
| 48 | Nelson Lee Nelson | 37 | Head | Cutter | Kansas |
| 49 | Elsie Nelson | 34 | Wife | — | Illinois |
| 50 | Audrey Nelson | 12 | Daughter | — | Illinois |
| 51 | Theodore L. Nelson | 6 | Son | — | Illinois |
| 52 | John Johnke | 45 | Head | Upholsterer | Illinois |
| 53 | Adeline Johnke | 42 | Wife | Maid | Kansas |
| 54 | Lamont Johnke | 22 | Son | Bell Hop | Illinois |
| 55 | Theodore B. Johnke | 11 | Son | — | Illinois |
| 56 | Frederick Johnke | 37 | Brother | — | Germany |
| 57 | Floyd Gee | 34 | Head | Section Laborer | Kentucky |
| 58 | Helen Gee | 30 | Wife | — | Illinois |
| 59 | Susie Hall | 67 | Head | — | Indiana |
| 60 | Mae Hall | 27 | Daughter | — | Indiana |
| 61 | Grace Kaufman | 33 | Daughter | Laborer | Indiana |
| 62 | Marie Kaufman | 16 | Granddaughter | New Worker | Illinois |
| 63 | Betty Lou Kaufman | 14 | Granddaughter | — | California |
| 64 | Elzora Mae Kaufman | 1 | Granddaughter | — | Illinois |
| 65 | Louis Albert Cooper | 57 | Head | Pump Operator | Illinois |
| 66 | Marie Elizabeth Cooper | 44 | Wife | — | Illinois |
| 67 | Robert Louis Cooper | 19 | Son | Salesman | Illinois |
| 68 | John Frederick Cooper | 12 | Son | — | Illinois |
| 69 | Ralph Edward Cooper | 3 | Son | — | Illinois |
| 70 | Ellwood King | 41 | Head | Boiler Maker Helper | Illinois |
| 71 | Nellie King | 38 | Wife | — | Indiana |
| 72 | Betty Lou King THIS PERSON | 15 | Daughter | — | Illinois |
| 73 | Melva King | 14 | Daughter | — | Illinois |
| 74 | Virginia King | 11 | Daughter | — | Illinois |
| 75 | John King | 9 | Son | — | Illinois |
| 76 | George King | 7 | Son | — | Illinois |
| 77 | Marjorie King | 5 | Daughter | — | Illinois |
| 78 | Evelyn King | 4 | Daughter | — | Illinois |
| 79 | John W. Carey | 72 | Head | — | Indiana |
| 80 | Mary E. Carey | 64 | Wife | Maid | 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)