AK
Alice Knight — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kane-County, Illinois
Our Model Tree links this Alice Knight across the 1930 and 1940 US Censuses in Kane-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kane-County, Illinois |
| Surname | Knight |
| Given Name | Alice Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Elgin City |
| 1935 Residence (County) | Kane |
| Additional Details | |
| Hours Worked | 3 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Elgin City |
| Est. Birth Year | ~1923 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alice | Age | Birth yr |
|---|---|---|---|---|
| Virginia Knight | Daughter | — | 19 | ~1921 |
| Alice Knight | Daughter | — | 17 | ~1923 |
| Herbert Knight | Son | — | 12 | ~1928 |
| Ellen Scheeper | Other | — | 79 | ~1861 |
| Harry Treadwell | Son | — | 16 | ~1924 |
| Alice Knight | Spouse | — | 49 | ~1891 |
| Howard Knight | Head | — | 50 | ~1890 |
Census Appearances
1930
Kane, Illinois
Daughter, age 7
Kane, Illinois · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Aliceirene H. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Kane-County, Illinois
Daughter, age 17
Kane-County, Illinois · implied b. ~1923 — 7 household members
| Surname | Knight |
| Given Name | Alice Ann |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Elgin City |
| 1935 Residence (County) | Kane |
| Hours Worked | 3 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 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 Alice Knight across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alice Knight
Daughter · 1940 · age 17 · b. ~1923 · Illinois
★ You are viewing this record
Sibling
Harry Treadwell
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Knight
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Knight
Sibling · 1940 · age 19
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 — Kane-County, Illinois
Open full size
1940 US Federal Census — Kane-County, Illinois
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-00821-00201)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Hubrig | 76 | Mother in law | — | Wisconsin |
| 2 | Harry O Henry | 46 | Head | Dealer | Illinois |
| 3 | Betty Jane Henry | 21 | Daughter | Sales Clerk | Illinois |
| 4 | Helen Rubnitz | 19 | Daughter | — | Wisconsin |
| 7 | William Mccredie | 50 | Head | Owner | Illinois |
| 8 | Marita Mccredie | 47 | Wife | — | Illinois |
| 9 | William Jr Mccredie | 13 | Son | — | Illinois |
| 10 | James Mccredie | 4 | Son | — | Illinois |
| 11 | Bertha Groholm | 62 | Cook | Housekeeper | Germany |
| 12 | Martha E Black | 39 | Head | Teacher | Wisconsin |
| 13 | Freda Spite | 40 | Lodger | Teacher | Wisconsin |
| 14 | Carolyn Cahoon | 46 | Lodger | Teacher | Wisconsin |
| 16 | William L Barber | 44 | Head | Clerk | Illinois |
| 17 | Erna R Barber | 47 | Wife | — | Wisconsin |
| 18 | Mary Gannon | 77 | Head | — | Illinois |
| 19 | Thomas A Gannon | 49 | Brother | Locomotive Builder | Illinois |
| 20 | Hazel F Litchfield | 52 | Head | Teacher | Illinois |
| 21 | Harry S Behrens | 42 | Head | Salesman | Illinois |
| 22 | Annie Behrens | 37 | Wife | — | Illinois |
| 24 | Howard Knight | 50 | Head | Medical Doctor | Illinois |
| 25 | Alice Knight | 49 | Wife | — | Illinois |
| 26 | Virginia Knight | 19 | Daughter | — | Illinois |
| 27 | Alice Ann Knight THIS PERSON | 17 | Daughter | — | Illinois |
| 28 | Herbert Knight | 12 | Son | — | Illinois |
| 29 | Harry A Treadwell | 16 | Son | — | Illinois |
| 30 | Ellen Scheeper | 79 | Mother | — | Illinois |
| 32 | Arthur E Young | 42 | Head | Machinist | Illinois |
| 33 | Amanda Young | 39 | Wife | Operator | Wisconsin |
| 34 | Margaret Young | 18 | Daughter | — | Illinois |
| 35 | Arthur Jr Young | 15 | Son | — | Illinois |
| 36 | Mabel Gableman | 43 | Head | Visiting Nurse | South Dakota |
| 37 | Richard Gableman | 17 | Son | — | Illinois |
| 38 | Joan Gableman | 14 | Daughter | — | Illinois |
| 39 | Charles Gableman | 11 | Son | — | Illinois |
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)