LK
Lillian King — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Lillian King across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 9-person household.
Age 19
b. ~1921
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | King |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Lyons |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Lyons |
| Est. Birth Year | ~1921 |
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 Lillian | Age | Birth yr |
|---|---|---|---|---|
| Rolland King | Son | — | 10 | ~1930 |
| Fred King | Head | — | 53 | ~1887 |
| Bertha King | Spouse | — | 47 | ~1893 |
| Gilbert King | Son | — | 18 | ~1922 |
| Viola King | Daughter | — | 12 | ~1928 |
| John King | Son | — | 14 | ~1926 |
| William King | Son | — | 21 | ~1919 |
| Margaret King | Daughter | — | 24 | ~1916 |
| Lillian King | Daughter | — | 19 | ~1921 |
Census Appearances
1930
Cook, Illinois
Daughter, age 8
Cook, Illinois · implied b. ~1922 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 19
Cook-County, Illinois · implied b. ~1921 — 9 household members
| Surname | King |
| Given Name | Lillian |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Lyons |
| 1935 Residence (County) | Cook |
| Highest Grade | Hs 2 |
| 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 Lillian King across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lillian King
Daughter · 1940 · age 19 · b. ~1921 · Illinois
★ You are viewing this record
Sibling
William King
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret King
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rolland King
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert King
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John King
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola King
Sibling · 1940 · age 12
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00781-00414)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jean, Stanley J Icen | 12 | Son | — | Illinois |
| 42 | Gabriel Wouk | 59 | Head | Proprietor Tailor | Austria |
| 43 | Marie Wouk | 54 | Wife | — | Austria |
| 44 | William Wouk | 20 | Son | New Worker | Illinois |
| 45 | Donald Wouk | 17 | Son | New Worker | Illinois |
| 46 | Raymond Wouk | 13 | Son | — | Illinois |
| 48 | Fred King | 53 | Head | Railroad Checker | Illinois |
| 49 | Bertha P King | 47 | Wife | — | Illinois |
| 50 | Margaret King | 24 | Daughter | Seamstress | Illinois |
| 51 | William King | 21 | Son | Punch Press Operator | Illinois |
| 52 | Lillian King THIS PERSON | 19 | Daughter | — | Illinois |
| 53 | Gilbert King | 18 | Son | — | Illinois |
| 54 | John King | 14 | Son | — | Illinois |
| 55 | Viola King | 12 | Daughter | — | Illinois |
| 56 | Rolland King | 10 | Son | — | Illinois |
| 57 | Walter Bergman | 42 | Head | Owner Attendant | Illinois |
| 58 | Lillian Bergman | 42 | Wife | — | Illinois |
| 59 | Mary Jane Bergman | 19 | Daughter | — | Illinois |
| 60 | Walter Jr Bergman | 5 | Son | — | Illinois |
| 61 | Robert Gramke | 67 | Head | Stall Gang Worker | Germany |
| 62 | Mary Gramke | 63 | Wife | — | Illinois |
| 63 | Anthony Orden | 46 | Son in law | Cloth Examiner | Pennsylvania |
| 64 | Alma Orden | 36 | Daughter | — | Illinois |
| 65 | Charles Blazek | 40 | Head | Cloth Sponger | Illinois |
| 66 | Gertrude Blazek | 33 | Wife | — | Illinois |
| 67 | Rose Mary Blazek | 8 | Daughter | — | Illinois |
| 68 | Walter Ginther | 34 | Head | Salesman | Illinois |
| 69 | Rose Ginther | 30 | Wife | — | Illinois |
| 70 | Rose Ann Ginther | 3 | Daughter | — | Illinois |
| 71 | Walter Ginther | 1 | Son | — | Illinois |
| 72 | George Sarlitto | 39 | Head | Truck Driver | Illinois |
| 73 | Jeanette Sarlitto | 34 | Wife | — | Illinois |
| 74 | George Jr Sarlitto | 16 | Son | — | Illinois |
| 75 | Rosalyn Sarlitto | 8 | Daughter | — | Illinois |
| 76 | Fred Frange | 63 | Head | Watchman | Germany |
| 77 | Amanda Frange | 68 | Wife | — | Illinois |
| 78 | Eric Langerakamer | 50 | Head | — | Illinois |
| 79 | Ella Langerakamer | 54 | Sister | — | Illinois |
| 80 | Ida Langerakamer | 78 | Mother | — | Germany |
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)