GK
George Klein — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this George Klein across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Klein |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Lansing |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | 46 |
| Industry | Waiter |
| Class of Worker | Restaurant |
| Hours Worked | 40 |
| Highest Grade | S 7 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | 46 |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1924 |
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 George | Age | Birth yr |
|---|---|---|---|---|
| Henry Klein | Son | — | 22 | ~1918 |
| Peter Klein | Head | — | 61 | ~1879 |
| Elizabeth Klein | Spouse | — | 58 | ~1882 |
| William Klein | Son | — | 19 | ~1921 |
| George Klein | Son | — | 16 | ~1924 |
| Pete Klein | Son | — | 26 | ~1914 |
| Molly Klein | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Cook, Illinois
Son, age 5
Cook, Illinois · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Klien |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Russia |
| Mother's Birthplace | Austria |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 16
Cook-County, Illinois · implied b. ~1924 — 7 household members
| Surname | Klein |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Lansing |
| 1935 Residence (County) | Cook |
| Occupation | 46 |
| Industry | Waiter |
| Class of Worker | Restaurant |
| Hours Worked | 40 |
| Highest Grade | S 7 |
| 1935 Residence | Illinois |
| 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 George Klein across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
George Klein
Son · 1940 · age 16 · b. ~1924 · Illinois
★ You are viewing this record
Sibling
Henry Klein
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pete Klein
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Molly Klein
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Klein
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00940-00241)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Marion Hennings | 14 | Daughter | — | Illinois |
| 42 | William Aley | 54 | Head | Wrapper | Illinois |
| 43 | Joseph Kasputis | 29 | Son-in-law | Office | Illinois |
| 44 | Anna Kasputis | 27 | Daughter | — | Illinois |
| 45 | Betty Ann Kasputis | 5 | Granddaughter | — | Illinois |
| 46 | Margaret S. Kasputis | 4 | Granddaughter | — | Illinois |
| 47 | Rupert Peacock | 52 | Head | — | North Carolina |
| 48 | Lillie Peacock | 45 | Wife | — | Illinois |
| 49 | Ione Peacock | 16 | Daughter | — | Illinois |
| 50 | Rupert Peacock | 12 | Son | — | Illinois |
| 51 | William West | 46 | Head | — | Canada English |
| 52 | Edna West | 52 | Wife | — | Illinois |
| 53 | Roy West | 19 | Son | Gas Attendant | Illinois |
| 54 | Charles West | 16 | Son | — | Illinois |
| 55 | Alex Crawford | 43 | Head | Foreman | London English |
| 56 | Helen Crawford | 40 | Wife | — | Canada Eng |
| 57 | Douglas Crawford | 18 | Son | Cashier-Auditor | Canada Eng |
| 58 | Beatrice Crawford | 13 | Daughter | — | Canada Eng |
| 59 | Evelyn Crawford | 11 | Daughter | — | Illinois |
| 60 | Robert Crawford | 8 | Son | — | Illinois |
| 61 | Peter Klein | 61 | Head | Laborer | Russia |
| 62 | Elizabeth Klein | 58 | Wife | — | Russia |
| 63 | Pete Klein | 26 | Son | Laborer | Illinois |
| 64 | Henry Klein | 22 | Son | New Worker | Illinois |
| 65 | William Klein | 19 | Son | Waiter | Illinois |
| 66 | George Klein THIS PERSON | 16 | Son | 46 | Illinois |
| 67 | Molly Klein | 15 | Daughter | 18 | Illinois |
| 68 | Peter Palla | 45 | Head | 26 | Italy |
| 69 | Emma Palla | 39 | Wife | — | Indiana |
| 70 | Norman Palla | 8 | Son | — | Illinois |
| 71 | Joseph Meduna | 50 | Head | 16 | Russia |
| 72 | Ethel Meduna | 40 | Wife | — | Indiana |
| 73 | George Meduna | 21 | Son | New Worker | Illinois |
| 74 | Oliver Meduna | 19 | Son | New Worker | Illinois |
| 75 | Joseph Meduna | 17 | Son | — | Illinois |
| 76 | Paul Meduna | 14 | Son | — | Illinois |
| 77 | Dolores Meduna | 11 | Daughter | — | Illinois |
| 78 | Raymond Meduna | 4 | Son | — | Illinois |
| 79 | — | None | — | — | — |
| 80 | Peter Wistart | 30 | Head | 17 | 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)