LM
Leo Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Leo Miller across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Sarah & Jacob — first a son (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Miller |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Occupation | Lawyer |
| Industry | Private Office |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | C-4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Lawyer |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1905 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leo | Age | Birth yr |
|---|---|---|---|---|
| Rose Miller | Spouse | — | 56 | ~1884 |
| Ascher Miller | Son | — | 26 | ~1914 |
| David Miller | Son | — | 30 | ~1910 |
| Leo Miller | Son | — | 35 | ~1905 |
| Louis Miller | Head | — | 64 | ~1876 |
Census Appearances
1920
Cook, Illinois
Son, age 16
Cook, Illinois · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Yiddish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 25
Cook, Illinois · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Occupation | Lawyer |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 35
Cook-County, Illinois · implied b. ~1905 — 5 household members
| Surname | Miller |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO CITY |
| 1935 Residence (County) | COOK |
| Occupation | Lawyer |
| Industry | Private Office |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | C-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 Leo Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sarah Miller (~0.92 confidence) and father Jacob Miller (~0.92 confidence) and father Louis Miller (~0.92 confidence) and father Louis Miller (~0.92 confidence) and mother Rose Miller (~0.92 confidence) and mother Rose Miller (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Sarah Miller
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Jacob Miller
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Louis Miller
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Louis Miller
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Rose Miller
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Rose Miller
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leo Miller
Son · 1940 · age 35 · b. ~1905 · Illinois
★ You are viewing this record
Sibling
Ascher Miller
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Miller
Sibling · 1940 · age 30
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-t0627-00986-00647)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Ann Wisniewski | 7 | Daughter | — | Illinois |
| 42 | Victoria Wisniewski | 6 | Daughter | — | Illinois |
| 43 | Lillian Wisniewski | 3 | Daughter | — | Illinois |
| 44 | Victor Jr Wisniewski | 0 | Son | — | Illinois |
| 45 | Leon Salkin | 30 | Head | Grocery Clerk | Illinois |
| 46 | Frances Salkin | 25 | Wife | — | Illinois |
| 47 | Barbara Salkin | 1 | Daughter | — | Illinois |
| 48 | Max Gimpel | 63 | Father-in-law | Tailor | Poland |
| 49 | Rose Gimpel | 55 | Mother-in-law | — | Poland |
| 50 | Rebecca Gimpel | 33 | Sister-in-law | Dressmaker | Maine |
| 51 | Fowletta Gimpel | 30 | Sister-in-law | Typist | Illinois |
| 52 | William Zuroweck | 44 | Head | Janitor | Poland |
| 53 | Pauline Zuroweck | 45 | Wife | Grader | Poland |
| 54 | Anna Kocz | 60 | Head | — | Poland |
| 55 | Virginia Kocz | 22 | Daughter | Office Girl | Illinois |
| 56 | Casper Johnson | 38 | Head | Painter | Norway |
| 57 | Violet Johnson | 26 | Wife | — | Illinois |
| 58 | Casper Jr Johnson | 0 | Son | — | Illinois |
| 59 | Samuel Slutsky | 44 | Head | Tailor | Russia |
| 60 | Bella Slutsky | 42 | Wife | — | Russia |
| 61 | Irving Slutsky | 21 | Son | — | Illinois |
| 62 | Anna Ray Slutsky | 17 | Daughter | — | Illinois |
| 63 | Philip Chapman | 16 | Foster-son | — | Illinois |
| 64 | Gloria Levy | 10 | Foster-daughter | — | Illinois |
| 65 | Abe Chaiken | 60 | Head | — | Russia |
| 66 | Molly Chaiken | 52 | Wife | — | Russia |
| 67 | Belle Chaiken | 22 | Daughter | Office Clerk | Canada-English |
| 68 | Nathan Chaiken | 19 | Son | Shipping Clerk | Canada-English |
| 69 | Mitchell Rooperman | 24 | Son-in-law | Springer | Illinois |
| 70 | Reva Rooperman | 21 | Daughter | Office Girl | Canada-English |
| 71 | Louis Miller | 64 | Head | — | Russia |
| 72 | Rose Miller | 56 | Wife | — | Russia |
| 73 | Leo Miller THIS PERSON | 35 | Son | Lawyer | Illinois |
| 74 | David Miller | 30 | Son | — | Illinois |
| 75 | Ascher Miller | 26 | Son | Painter Manager | Illinois |
| 76 | Amanda Krueger | 74 | Head | — | Missouri |
| 77 | Bessie Posta | 54 | Lodger | — | Illinois |
| 78 | Emil Taube | 65 | Head | Watchman | Germany |
| 79 | Anna Taube | 61 | Wife | — | Germany |
| 80 | Fred Taube | 39 | Son | Iceman | Illinois |
Pedigree Summary
Leo + 2 siblings
Gen 1 · 6 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)