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James Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Miller across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Sophie — first a son (b.~1894), then head of a 3-person household.
Age 46
b. ~1894
Male
Son
Born: Lithuania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Miller |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Lithuania |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Machinist |
| Industry | L. Bunting Line Pipe |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 326 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
| Occupation | Machinist |
| Township / Ward | Chicago |
| Est. Birth Year | ~1894 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Sophie Miller | Daughter | — | 36 | ~1904 |
| Sophie Miller | Head | — | 69 | ~1871 |
| James Miller | Son | — | 46 | ~1894 |
Census Appearances
1920
Cook, Illinois
Head, age 27
Cook, Illinois · implied b. ~1893 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Joseph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Year of Immigration | 1909 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Occupation | Laborer |
| Industry | Stockyards |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Lithuanian |
| Home Owned/Rented | R |
| Birth Country | Lithuania |
| Year of Naturalization | 1918 |
| Birthplace (normalized) | lithuania |
Head, age 37
Cook, Illinois · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Joe |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Lithuania |
| Naturalization Status | Naturalized |
| Year of Immigration | 1913 |
| Age at First Marriage | 25 |
| Father's Birthplace | Lithuania |
| Mother's Birthplace | Lithuania |
| Occupation | Printer |
| Industry | Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Yiddish |
| Home Owned/Rented | R |
| Home Value / Rent | 55 |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
1940
Cook-County, Illinois
Son, age 46
Cook-County, Illinois · implied b. ~1894 — 3 household members
| Surname | Miller |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Lithuania |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Machinist |
| Industry | L. Bunting Line Pipe |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 326 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Lithuania |
| Birthplace (normalized) | lithuania |
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 James Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sophie Miller (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Sophie Miller
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Miller
Son · 1940 · age 46 · b. ~1894 · Illinois
★ You are viewing this record
Sibling
Sophie Miller
Sibling · 1940 · age 36
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
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-t0627-00943-00880)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lawrence Lueb | 2 | Son | — | Illinois |
| 42 | Grace Hickey | 48 | Head | — | Illinois |
| 43 | Ralph Hickey | 24 | Son | Chauffeur | Illinois |
| 44 | Vincent Hickey | 20 | Son | Waiter | Illinois |
| 45 | George Hickey | 18 | Son | — | Illinois |
| 46 | Donald Hickey | 16 | Son | New Worker | Illinois |
| 47 | Mary T. Hickey | 12 | Daughter | — | Illinois |
| 48 | Gilbert Sjertsen | 56 | Head | Truck Driver | Illinois |
| 49 | Barbara Sjertsen | 45 | Wife | — | Illinois |
| 50 | Colletta Sjertsen | 18 | Daughter | File Clerk | Illinois |
| 51 | Rose M. Sjertsen | 17 | Daughter | — | Illinois |
| 52 | Gilbert Sjertsen | 14 | Son | — | Illinois |
| 53 | Edward Sjertsen | 13 | Son | — | Illinois |
| 54 | Charles Sjertsen | 11 | Son | — | Illinois |
| 55 | George Sjertsen | 9 | Son | — | Illinois |
| 56 | Robert Sjertsen | 6 | Son | — | Illinois |
| 57 | Jo Ann Sjertsen | 4 | Daughter | — | Illinois |
| 58 | Thomas Kirby | 53 | Head | Caulker | Illinois |
| 59 | Lillian Kirby | 52 | Wife | — | Missouri |
| 60 | Edward Kirby | 27 | Son | Chauffeur | Illinois |
| 61 | Irene Kirby | 25 | Daughter-in-law | — | Illinois |
| 62 | Mary J. Kirby | 2 | Granddaughter | — | Illinois |
| 63 | Casimir Jadrichic | 57 | Head | Laborer | Poland |
| 64 | Stella Jadrichic | 52 | Wife | — | Poland |
| 65 | Theodore Sliwinski | 35 | Head | Baker | Poland |
| 66 | Sophie Sliwinski | 31 | Wife | — | Poland |
| 67 | Theodore Sliwinski | 9 | Son | — | Illinois |
| 68 | Stanley Sliwinski | 5 | Son | — | Illinois |
| 69 | Sophie Miller | 69 | Head | — | Lithuania |
| 70 | James Miller THIS PERSON | 46 | Son | Machinist | Lithuania |
| 71 | Sophie Miller | 36 | Daughter | Slip Stitcher | Lithuania |
| 72 | Albert Wieronski | 42 | Head | Sales Clerk | Poland |
| 73 | Mary Wieronski | 42 | Wife | — | Poland |
| 74 | Walter Wieronski | 14 | Son | — | Illinois |
| 75 | Martin Gerecki | 44 | Head | — | Poland |
| 76 | Angeline Gerecki | 42 | Wife | — | Poland |
| 77 | Adam Stankiewicz | 25 | Lodger | Laborer | Illinois |
| 78 | Walter Stankiewicz | 23 | Lodger | Laborer | Illinois |
| 79 | Frank Stankiewicz | 20 | Lodger | Laborer | Illinois |
| 80 | Everett Cofithorn | 35 | Head | Senior Clerk | Illinois |
Related Census Records
Pedigree Summary
James + 1 sibling
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)