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John Muller — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Muller across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 6-person household.
Age 54
b. ~1876
Male
Head
Born: Austria
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Muller |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Austria |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Age at First Marriage | 32 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Additional Details | |
| Occupation | Gardener |
| Industry | Private Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 12000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
| Occupation | Gardener |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1876 |
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 Muller | Head | — | 54 | ~1876 |
| Theresa Muller | Spouse | — | 51 | ~1879 |
| Helen Muller | Daughter | — | 18 | ~1912 |
| Ernest Muller | Son | — | 21 | ~1909 |
| Mildred Muller | Daughter | — | 25 | ~1905 |
| John Muller | Son | — | 10 | ~1920 |
Census Appearances
1930
Cook, Illinois
Head, age 54
Cook, Illinois · implied b. ~1876 — 6 household members
| Surname | Muller |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Austria |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Age at First Marriage | 32 |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Occupation | Gardener |
| Industry | Private Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 12000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
1940
Cook-County, Illinois
Other, age 61
Cook-County, Illinois · implied b. ~1879 — 40 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MUELLER |
| Given Name | JOHN |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Single |
| Birthplace | AUSTRIA |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | COOK |
| Naturalization Status | Naturalized |
| Occupation | GARMENT CUTTER |
| Industry | DRESS |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 496 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Austria |
| Birthplace (normalized) | austria |
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 Muller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Muller
Head · 1930 · age 54 · b. ~1876 · Illinois
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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
49 people indexed on this census page (ia:1930:illinoiscensus00reel463:0364)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James L Duggan | 40 | Head | Salesman | Ireland |
| 52 | Florence Duggan | 42 | Wife | — | Missouri |
| 53 | Dorothy Duggan | 20 | Daughter | — | Missouri |
| 54 | James Jr Duggan | 16 | Son | — | Missouri |
| 55 | William Ellis | 63 | Head | Physician | New York |
| 56 | Gertrude Ellis | 28 | Daughter | Teacher | Illinois |
| 57 | William Ellis | 23 | Son | Electrician | Illinois |
| 58 | Anna M Ellis | 20 | Daughter | — | Illinois |
| 59 | William Tilmon | 65 | Head | Retired | Italy |
| 60 | Mary Tilmon | 58 | Wife | — | Italy |
| 61 | Mary Tilmon | 35 | Daughter | Clerk | Illinois |
| 62 | John Tilmon | 30 | Son | Attendant | New York |
| 63 | Mary Tilmon | 27 | Daughter-in-law | Engineer, Stationary | Illinois |
| 64 | Lucy Tilmon | 24 | Daughter | Teacher | Illinois |
| 65 | Theresa Tilmon | 27 | Daughter | Nurse | Massachusetts |
| 66 | Rose Tilmon | 19 | Daughter | Typist | Illinois |
| 67 | Arthur Potter | 68 | Head | Retired | Indiana |
| 68 | Mary Potter | 61 | Wife | — | California |
| 69 | Genevieve Potter | 26 | Daughter | Clerk | Illinois |
| 70 | Max Spangenberg | 57 | Roomer | Salesman | Germany |
| 71 | James Mcneal | 63 | Head | Retired | Illinois |
| 72 | Katherine Mcneal | 58 | Wife | — | Illinois |
| 73 | Lawrence R Beaudry | 53 | Head | Operator | Illinois |
| 74 | Catherine A Beaudry | 55 | Sister | Operator | Illinois |
| 75 | Laura Beaudry | 74 | Mother | — | Canada-Eng |
| 76 | Johanna Rockow | 72 | Head | — | Canada-Eng |
| 77 | Florence Rockow | 24 | Daughter | Bookkeeper | Illinois |
| 78 | Amanda Adams | 78 | Head | — | Pennsylvania |
| 79 | Alice M Adams | 40 | Daughter | Bookkeeper | Ohio |
| 80 | Alice Miss Patterson | 67 | Head | — | Illinois |
| 81 | Marion Patterson | 34 | Daughter | Manager | Illinois |
| 82 | John Muller THIS PERSON | 54 | Head | Gardener | Austria |
| 83 | Theresa Muller | 51 | Wife | — | Austria |
| 84 | Ernest Muller | 21 | Son | Chauffeur | Illinois |
| 85 | Mildred Muller | 25 | Daughter | — | California |
| 86 | Helen Muller | 18 | Daughter | — | Illinois |
| 87 | John Muller | 10 | Son | — | Illinois |
| 88 | Joseph Szalay | 50 | Head | Shoe Maker | Hungary |
| 89 | Adele Szalay | 41 | Wife | — | Hungary |
| 90 | Anna Szalay | 12 | Daughter | — | Illinois |
| 91 | Thomas Dunn | 36 | Head | Merchant | Illinois |
| 92 | Ruth Dunn | 30 | Wife | — | Illinois |
| 93 | Mildred Dunn | 7 | Daughter | — | Illinois |
| 94 | Virginia Dunn | 1 | Daughter | — | Illinois |
| 95 | Joseph Dunn | 52 | Brother | Teacher | Illinois |
| 96 | Catherine Dunn | 50 | Sister | Clerk | Illinois |
| 97 | Nicholas Collett | 38 | Head | Owner | Greece |
| 98 | Sophie Collett | 23 | Wife | — | Greece |
| 99 | Nicholas Collett | 3 | Son | — | 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)