SM
Sophia Miller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Sophia Miller across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 3-person household.
Age 70
b. ~1870
Female
Head
Born: Germany
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Miller |
| Given Name | Sophia |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Germany |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Chicago |
| Est. Birth Year | ~1870 |
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 Sophia | Age | Birth yr |
|---|---|---|---|---|
| Nell Miller | Daughter | — | 38 | ~1902 |
| Sophia Miller | Head | — | 70 | ~1870 |
| Andrew Miller | Son | — | 40 | ~1900 |
Census Appearances
Spouse, age 50
Cook, Illinois · implied b. ~1870 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Susan |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1876 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Year of Naturalization | 1879 |
| Birthplace (normalized) | germany |
1930
Cook, Illinois
Spouse, age 61
Cook, Illinois · implied b. ~1869 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Susanna |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1886 |
| Age at First Marriage | 22 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Cook-County, Illinois
Head, age 70
Cook-County, Illinois · implied b. ~1870 — 3 household members
| Surname | Miller |
| Given Name | Sophia |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Germany |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Sophia 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
Sophia Miller
Head · 1940 · age 70 · b. ~1870 · Illinois
★ You are viewing this record
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
40 people indexed on this census page (nara:1940:m-t0627-00958-00931)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sophia Miller THIS PERSON | 70 | Head | — | Germany |
| 42 | Andrew Miller | 40 | Son | Office Clerk | Illinois |
| 43 | Nell Miller | 38 | Daughter | Stenographer | Illinois |
| 44 | William H. Pickel | 51 | Head | Counterman | Iowa |
| 45 | Linda D. Pickel | 48 | Wife | Teacher | Kansas |
| 46 | Virginia Pickel | 15 | Daughter | — | Illinois |
| 47 | Jay Lempey | 54 | Brother-in-law | Fireman Or Guard | Kansas |
| 48 | William Mcmahon | 37 | Head | Salesman | Illinois |
| 49 | Edna Mcmahon | 35 | Wife | — | Illinois |
| 50 | Grace Mcmahon | 15 | Daughter | — | Illinois |
| 51 | Albert Heidrunck | 40 | Head | Truck Driver | Illinois |
| 52 | Frieda Heidrunck | 37 | Wife | — | Illinois |
| 53 | Albert Jr. Heidrunck | 12 | Son | — | Illinois |
| 54 | Donald Heidrunck | 10 | Son | — | Illinois |
| 55 | Paul Heidrunck | 34 | Head | Truck Driver | Illinois |
| 56 | Ruth Heidrunck | 32 | Wife | — | Illinois |
| 57 | Robert Heidrunck | 12 | Son | — | Illinois |
| 58 | Richard Heidrunck | 10 | Son | — | Illinois |
| 59 | Stephen Sommers | 33 | Head | Conductor | Illinois |
| 60 | Hazel Sommers | 31 | Wife | — | Illinois |
| 61 | Robert Sommers | 7 | Son | — | Illinois |
| 62 | Raymond Anderson | 33 | Head | Dentist | Illinois |
| 63 | Alice Anderson | 31 | Wife | — | Illinois |
| 64 | Samuel Rachford | 52 | Head | Proprietor | Illinois |
| 65 | Frances Rachford | 44 | Wife | — | Italy |
| 66 | Frances Rachford | 23 | Daughter | Saleslady | Illinois |
| 67 | Samuel Rachford | 21 | Son | Bartender | Illinois |
| 68 | Raymond Rachford | 16 | Son | — | Illinois |
| 69 | Margaret Teschela | 68 | Mother-in-law | — | Italy |
| 70 | Michael Galla | 30 | Lodger | Machine Operator | Italy |
| 71 | Vincent Galla | 58 | Lodger | Laborer | Italy |
| 72 | Peter Hansen | 60 | Head | Proprietor Garage | Denmark |
| 73 | Margaret Hansen | 26 | Daughter | Assistant Cashier | Illinois |
| 74 | Frank S. Hansen | 22 | Son | — | Illinois |
| 75 | Anna Gunnar | 68 | Head | — | Sweden |
| 76 | Jessie Gunnar | 42 | Daughter | Saleslady | Illinois |
| 77 | Mary Gunnar | 39 | Daughter | Stenographer | Illinois |
| 78 | Thomas Gunnar | 30 | Son | Salesman | Illinois |
| 79 | Raymond Cozman | 16 | Step-son | — | Illinois |
| 80 | Martin Egan | 35 | Lodger | Laborer | Irish Free State |
Related Census Records
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)