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John Buck — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Buck across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 6-person household.
Age 11
b. ~1919
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Buck |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| 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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Buck | Son | — | 11 | ~1919 |
| Frieda Buck | Spouse | — | 37 | ~1893 |
| John Buck | Head | — | 45 | ~1885 |
| Vera Buck | Daughter | — | 8 | ~1922 |
| Eleanor Buck | Daughter | — | 13 | ~1917 |
| Ruth Buck | Daughter | — | 6 | ~1924 |
Census Appearances
1930
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1919 — 6 household members
| Surname | Buck |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 21
Cook-County, Illinois · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Beck |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Machine Oper. |
| Industry | Tool Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1348 |
| Highest Grade | H 4 |
| 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 John Buck across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Buck
Son · 1930 · age 11 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Eleanor Buck
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vera Buck
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Buck
Sibling · 1930 · age 6
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:illinoiscensus00reel476:1060)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Marion Julius | 20 | Daughter | Saleslady | Indiana |
| 52 | Emanuel Julius | 16 | Son | — | Illinois |
| 53 | Max Marcus | 24 | Head | Jeweler | Illinois |
| 54 | Ida Marcus | 55 | Wife | — | Russia |
| 55 | Sam Moses | 53 | Head | Hand Finisher | Russia |
| 56 | Mary Moses | 46 | Wife | — | Russia |
| 57 | Sarah Moses | 30 | Daughter | Printer | Russia |
| 58 | Julius Moses | 23 | Son | Salesman | Russia |
| 59 | Walter Moses | 20 | Son | — | Illinois |
| 60 | Bessie Moses | 16 | Daughter | — | Illinois |
| 61 | Teddy Moses | 14 | Son | Messenger | Illinois |
| 62 | Paul Kuckarsky | 41 | Head | — | Illinois |
| 63 | Della Kuckarsky | 34 | Wife | — | Illinois |
| 64 | Jacob Newman | 29 | Lodger | Stenographer | Illinois |
| 65 | Louis Newman | 31 | Lodger | Proof Reader | Illinois |
| 66 | Louis Babel | 55 | Head | Proprietor | Sweden |
| 67 | Hulda Babel | 51 | Wife | — | Sweden |
| 68 | Harold Babel | 20 | Son | Clerk | Illinois |
| 69 | John F. Buck | 45 | Head | Salesman | Germany |
| 70 | Frieda Buck | 37 | Wife | — | Illinois |
| 71 | Eleanor Buck | 13 | Daughter | — | Illinois |
| 72 | John Buck THIS PERSON | 11 | Son | — | Illinois |
| 73 | Vera Buck | 8 | Daughter | — | Illinois |
| 74 | Ruth Buck | 6 | Daughter | — | Illinois |
| 75 | George Buck | 48 | Head | Salesman | Germany |
| 76 | Elizabeth Buck | 39 | Wife | — | Illinois |
| 77 | Elizabeth Buck | 16 | Daughter | Saleslady | Illinois |
| 78 | Charlotte Buck | 13 | Daughter | — | Illinois |
| 79 | George Jr. Buck | 1 | Son | — | Illinois |
| 80 | Isaac Shully | 50 | Head | Manager | Russia |
| 81 | Sarah Shully | 45 | Wife | — | Russia |
| 82 | Anne Shully | 31 | Daughter | Operator | Russia |
| 83 | Rose Shully | 23 | Daughter | — | Pennsylvania |
| 84 | William Shully | 22 | Son | Collector | Pennsylvania |
| 85 | Melvin Shully | 20 | Son | Stenographer | Pennsylvania |
| 86 | Paula Shully | 16 | Daughter | — | Illinois |
| 87 | Bernard Shully | 9 | Son | — | Illinois |
| 88 | Joseph Hardy | 29 | Head | Auditor | Illinois |
| 89 | Lucille Hardy | 28 | Wife | — | Illinois |
| 90 | Robert Hardy | 5 | Son | — | Illinois |
| 91 | Richard Hardy | 3 | Son | — | Illinois |
| 92 | John Toth | 46 | Head | — | Hungary |
| 93 | Sarah Toth | 27 | Daughter | Dressmaker | Hungary |
| 94 | Irene Toth | 25 | Daughter | Mechanic | Hungary |
| 95 | Isabel Toth | 23 | Daughter | Manager | Hungary |
| 96 | Martin Ellinger | 30 | Head | Carpenter | Germany |
| 97 | Gertrude Ellinger | 26 | Wife | — | Germany |
| 98 | Gertrude Ellinger | 3 | Daughter | — | Illinois |
| 99 | Ingeborg Ellinger | 1 | Daughter | — | Illinois |
| 100 | Joseph Jackson | 32 | Head | Chauffeur | 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)