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William Klein — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this William Klein across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 7-person household.
Age 16
b. ~1914
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Klein |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Austria |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Tr Clerk |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Tr Clerk |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1914 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Ella Klein | Daughter | — | 18 | ~1912 |
| William Klein | Son | — | 16 | ~1914 |
| Isaf Klein | Head | — | 59 | ~1871 |
| Bruno Klein | Son | — | 14 | ~1916 |
| John Klein | Son | — | 11 | ~1919 |
| Arthur Klein | Son | — | 22 | ~1908 |
| Rose Klein | Spouse | — | 53 | ~1877 |
Census Appearances
1930
Cook, Illinois
Son, age 16
Cook, Illinois · implied b. ~1914 — 7 household members
| Surname | Klein |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Austria |
| Mother's Birthplace | Germany |
| Occupation | Tr Clerk |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 27
Cook-County, Illinois · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kline |
| Given Name | Wilber |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Auto Mechanic |
| Industry | Public Garage |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 224 |
| Highest Grade | H 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 William Klein across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Klein
Son · 1930 · age 16 · b. ~1914 · Illinois
★ You are viewing this record
Sibling
Arthur Klein
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Klein
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bruno Klein
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Klein
Sibling · 1930 · 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
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel435:0321)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Frecke | 37 | Head | Driver | Germany |
| 2 | Mary Frecke | 20 | Wife | — | Illinois |
| 3 | Henry Will | 53 | Head | Millwright | Germany |
| 4 | Anna Will | 50 | Wife | — | Illinois |
| 5 | Bessie Will | 17 | Daughter | Office Help | Illinois |
| 6 | Joseph Will | 19 | Son | Office Help | Illinois |
| 7 | Rose Will | 14 | Daughter | — | Illinois |
| 8 | Virginia Will | 11 | Daughter | — | Illinois |
| 9 | William Will | 7 | Son | — | Illinois |
| 10 | Joseph Congra | 42 | Head | Butcher | Czechoslovakia |
| 11 | Barbara Congra | 38 | Wife | Yes | Czechoslovakia |
| 12 | Mary Congra | 16 | Daughter | Feeder | Illinois |
| 13 | Joseph Congra | 15 | Son | — | Illinois |
| 14 | Barbara Congra | 13 | Daughter | — | Illinois |
| 15 | Emily Congra | 10 | Daughter | — | Illinois |
| 16 | Arthur Baron | 45 | Head | Cooper | Illinois |
| 17 | Anna Baron | 39 | Wife | — | Illinois |
| 18 | Elmer Baron | 15 | Son | Mounding | Illinois |
| 19 | May Baron | 13 | Daughter | — | Illinois |
| 20 | Isaf Klein | 59 | Head | Painter | Austria |
| 21 | Rose Klein | 53 | Wife | — | Germany |
| 22 | Arthur Klein | 22 | Son | Engraver | Illinois |
| 23 | Ella Klein | 18 | Daughter | Packer | Illinois |
| 24 | William Klein THIS PERSON | 16 | Son | Tr Clerk | Illinois |
| 25 | Bruno Klein | 14 | Son | — | Illinois |
| 26 | John Klein | 11 | Son | — | Illinois |
| 27 | William Lunt | 27 | Head | Repairman | Illinois |
| 28 | Leonora Lunt | 23 | Wife | — | Illinois |
| 29 | Bernice Lunt | 2 | Daughter | — | Illinois |
| 30 | Robert Dorman | 72 | Head | Milkman | Switzerland |
| 31 | Louisa Dorman | 69 | Wife | — | England |
| 32 | Margaret Dorman | 30 | Daughter | — | Illinois |
| 33 | August Lamonier | 27 | Boarder | Cabinetmaker | Germany |
| 34 | Alfreda Lamonier | 26 | Boarder | Bookkeeper | Illinois |
| 35 | Joseph Turik | 42 | Head | Laborer | Czechoslovakia |
| 36 | Minnie Turik | 42 | Wife | Bottler | Czechoslovakia |
| 37 | Joseph Turik | 15 | Son | — | Illinois |
| 38 | Mildred Turik | 10 | Daughter | — | Illinois |
| 39 | Pauline Bajak | 54 | Head | Labeler | Czechoslovakia |
| 40 | Mike Bajak | 16 | Son | — | Illinois |
| 41 | Edwin Blatchford | 47 | Head | Foreman | Canada Eng |
| 42 | Kathryn Blatchford | 47 | Wife | — | Maine |
| 43 | Edwin Blatchford | 19 | Son | Feeder | Illinois |
| 44 | Evelyn Blatchford | 16 | Daughter | Machine Hand | Illinois |
| 45 | Margaret Blatchford | 11 | Daughter | — | Illinois |
| 46 | Lorraine Blatchford | 6 | Daughter | — | Illinois |
| 47 | John Tricky | 37 | Head | Pastry Cook | Czechoslovakia |
| 48 | Helen Tricky | 31 | Wife | Pastry Cook | Czechoslovakia |
| 49 | John Tricky | 7 | Son | — | Illinois |
| 50 | Helen Tricky | 3 | Daughter | — | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)