OM
Otto Miller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Otto Miller across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 3-person household.
Age 50
b. ~1890
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Miller |
| Given Name | Otto |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Malleable Iron Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 336 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Mechanic |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1890 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Otto | Age | Birth yr |
|---|---|---|---|---|
| Rosa Miller | Spouse | — | 49 | ~1891 |
| Otto Miller | Head | — | 50 | ~1890 |
| Rosalyn Miller | Daughter | — | 11 | ~1929 |
Census Appearances
1920
Cook, Illinois
Head, age 30
Cook, Illinois · implied b. ~1890 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Otto |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Baker |
| Industry | Druggist |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 41
Cook, Illinois · implied b. ~1889 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Otto A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 30 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Salesman |
| Industry | Clothing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 65 |
| Radio Set | R |
| Veteran | Yes WW |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 50
Cook-County, Illinois · implied b. ~1890 — 3 household members
| Surname | Miller |
| Given Name | Otto |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Mechanic |
| Industry | Malleable Iron Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 336 |
| Highest Grade | No 8 |
| 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 Otto Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Otto Miller
Head · 1940 · age 50 · b. ~1890 · Illinois
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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
39 people indexed on this census page (nara:1940:m-t0627-00940-00818)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martha Shilling | 17 | Daughter | — | Illinois |
| 2 | Joan Shilling | 15 | Daughter | — | Illinois |
| 3 | Martin Svenfelt | 77 | Lodger | Tailor | Sweden |
| 4 | Jennie Svenfelt | 77 | Lodger | — | Sweden |
| 5 | Paul Silvage | 34 | Head | Inspector | Illinois |
| 6 | Leonore Silvage | 32 | Wife | — | Ohio |
| 7 | Beatrice Silvage | 5 | Daughter | — | Illinois |
| 8 | Paul Silvage | 4 | Son | — | Illinois |
| 9 | Thomas Pruent | 22 | Lodger | New Worker | Illinois |
| 10 | Arch Ridley | 58 | Head | Agent | Ohio |
| 11 | Minnie Ridley | 58 | Wife | — | Illinois |
| 12 | Gordon Dancy | 19 | Lodger | Assembler | Illinois |
| 13 | Charles Coughlin | 63 | Head | Inspector | Wisconsin |
| 14 | Maud Coughlin | 67 | Wife | — | New York |
| 15 | Sol Raymond | 33 | Lodger | Salesman | Illinois |
| 16 | Sol George | 30 | Lodger | Bender | Illinois |
| 17 | Daughter Margaret | None | F | Farm Machinery Mfg | — |
| 18 | Chester Reven | 50 | Head | Paper Cutter | Poland |
| 19 | Martha Reven | 45 | Wife | — | Illinois |
| 20 | Richard Reven | 17 | Son | — | Illinois |
| 21 | Lillian Reven | 14 | Daughter | — | Illinois |
| 22 | Theresa Dulevicz | 91 | Mother-in-law | — | Germany |
| 23 | Varda Harrison | 47 | Head | Nurse | Illinois |
| 24 | George Harrison | 19 | Son | Revenue Clerk | Illinois |
| 25 | Paul Harrison | 21 | Son | Underwriter | Illinois |
| 26 | Mary Harrison | 21 | Daughter | — | Illinois |
| 27 | Jacqueline Harrison | 2 | Daughter | — | Illinois |
| 28 | Emma Harrison | 64 | Mother-in-law | — | Illinois |
| 29 | Otto Miller THIS PERSON | 50 | Head | Mechanic | Illinois |
| 30 | Rosa Miller | 49 | Wife | — | Indiana |
| 31 | Rosalyn Miller | 11 | Daughter | — | Illinois |
| 32 | Warren Miller | 37 | Head | Attendant | Nebraska |
| 33 | Helga Miller | 37 | Wife | — | Illinois |
| 34 | Mette Anderson | 62 | Mother-in-law | — | Denmark |
| 35 | John Klaczynski | 60 | Head | Machine Operator | Poland |
| 36 | Martha Klaczynski | 59 | Wife | — | Illinois |
| 37 | Violet Klaczynski | 34 | Daughter | Stenographer | Illinois |
| 38 | Loretta Klaczynski | 24 | Daughter | Private Nurse | Illinois |
| 39 | Virginia Klaczynski | 22 | Daughter | Stenographer | 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)