WK
William Keller — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this William Keller across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 7-person household.
Age 11
b. ~1919
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Keller |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | City Of Chicago |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| William Keller | Head | — | 39 | ~1891 |
| Elizabeth Keller | Other | — | 37 | ~1893 |
| William Keller | Son | — | 11 | ~1919 |
| Rose Keller | Daughter | — | 5 | ~1925 |
| John Keller | Son | — | 8 | ~1922 |
| Mary Keller | Daughter | — | 3 | ~1927 |
| Elaine Keller | Daughter | — | 13 | ~1917 |
Census Appearances
1920
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keeler |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1919 — 7 household members
| Surname | Keller |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| 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 Keller across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
William Keller
Son · 1930 · age 11 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Elaine Keller
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Keller
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Keller
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Keller
Sibling · 1930 · age 3
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:illinoiscensus00reel487:0687)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Polit | 39 | Head | President | Poland |
| 2 | Caroline Polit | 37 | Wife-H | — | Poland |
| 3 | Theodore Polit | 14 | Son | — | Illinois |
| 4 | Casimira Polit | 12 | Daughter | — | Illinois |
| 5 | Henry Polit | 7 | Son | — | Illinois |
| 6 | Walter Kwiatt | 46 | Boarder | Bottle Washer | Poland |
| 7 | Jacob Sr. Desch | 54 | Head | Truck Man | Russia |
| 8 | Maria Desch | 48 | Wife-H | — | Russia |
| 9 | Jacob Jr. Desch | 26 | Son | Tireman | Russia |
| 10 | Elizabeth Desch | 23 | Daughter | Packer | Russia |
| 11 | Constantine Desch | 19 | Son | Checker | Russia |
| 12 | John Desch | 16 | Son | Packer | Russia |
| 13 | George Desch | 14 | Son | — | Russia |
| 14 | Mary Desch | 12 | Daughter | — | Russia |
| 15 | Mathilda Stalzer | 52 | Lodger-H | Servant | Jugoslavia |
| 16 | George Uhlman | 31 | Head | Assembler | Kansas |
| 17 | Rose M. Uhlman | 25 | Wife-H | — | Kansas |
| 18 | Dorothy Uhlman | 3 | Daughter | — | Kansas |
| 19 | Evelyn Uhlman | 1 | Daughter | — | Illinois |
| 20 | Joseph Kalinowski | 43 | Head | Electric Operator | Poland |
| 21 | Adeline Kalinowski | 15 | Daughter | — | Pennsylvania |
| 22 | Sophie Kalinowski | 13 | Daughter | — | Pennsylvania |
| 23 | Felix Kalinowski | 11 | Son | — | Illinois |
| 24 | Stanley Kalinowski | 9 | Son | — | Illinois |
| 25 | Louis Gessner | 37 | Head | Machinist | Germany |
| 26 | Ursula Gessner | 33 | Wife-H | — | Poland |
| 27 | Doris May Gessner | 1 | Daughter | — | Illinois |
| 28 | William Keller | 39 | Head | President | Illinois |
| 29 | Elizabeth Keller | 37 | Wife-H | — | Illinois |
| 30 | Elaine Keller | 13 | Daughter | — | Illinois |
| 31 | William Jr. Keller THIS PERSON | 11 | Son | — | Illinois |
| 32 | John Keller | 8 | Son | — | Illinois |
| 33 | Rose Mary Keller | 5 | Daughter | — | Illinois |
| 34 | Mary C. Keller | 3 | Daughter | — | Illinois |
| 35 | Anton Johnson | 45 | Head | Handy-Man | Iowa |
| 36 | Anna Johnson | 43 | Wife-H | Bookkeeper | Illinois |
| 37 | Anna Link | 40 | Head | Tailor | Illinois |
| 38 | Joseph Link | 20 | Son-H | Ice Salesman | Illinois |
| 39 | Walter Link | 18 | Son-H | Stenographer | Illinois |
| 40 | Walter Link | 14 | Son-H | — | Illinois |
| 41 | John Borkman | 37 | Lodger-H | Machinist | Illinois |
| 42 | Catherine Bright | 59 | Head | — | Russia |
| 43 | Enid Bright | 55 | Daughter-H | Machine Hand | Russia |
| 44 | George Bright | 21 | Son-H | Assembler | Russia |
| 45 | Joseph Bepp | 42 | Head | Machinist | Russia |
| 46 | Catherine Bepp | 32 | Wife-H | — | Russia |
| 47 | Rose Bepp | 12 | Daughter | — | Kansas |
| 48 | Lena Bepp | 10 | Daughter | — | Kansas |
| 49 | Jacob Bepp | 8 | Son | — | Kansas |
| 50 | George Bepp | 5 | Son | — | Kansas |
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)