LM
Leroy Miller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Leroy Miller across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 9-person household.
Age 13
b. ~1927
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Miller |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Roseland Cook |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Bremen Twp |
| Est. Birth Year | ~1927 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leroy | Age | Birth yr |
|---|---|---|---|---|
| Shirley Miller | Daughter | — | 6 | ~1934 |
| Charlene Miller | Daughter | — | 7 | ~1933 |
| Audrey Miller | Daughter | — | 10 | ~1930 |
| Lois Miller | Daughter | — | 11 | ~1929 |
| Leola Dubay | Other | — | 82 | ~1858 |
| Roy Miller | Head | — | 39 | ~1901 |
| Loretta Miller | Spouse | — | 34 | ~1906 |
| Betty Miller | Daughter | — | 14 | ~1926 |
| Leroy Miller | Son | — | 13 | ~1927 |
Census Appearances
1930
Cook, Illinois
Son, age 3
Cook, Illinois · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Kentucky |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 13
Cook-County, Illinois · implied b. ~1927 — 9 household members
| Surname | Miller |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Roseland Cook |
| Highest Grade | 3 |
| 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 Leroy Miller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leroy Miller
Son · 1940 · age 13 · b. ~1927 · Illinois
★ You are viewing this record
Sibling
Shirley Miller
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Miller
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Miller
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey Miller
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlene Miller
Sibling · 1940 · age 7
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-t0627-00775-00616)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Montigue Hall | 50 | Head | Purchasing Agent | Kentucky |
| 42 | Sophie Hall | 47 | Wife | — | Illinois |
| 43 | Ray Hall | 23 | Son | Electrician | Illinois |
| 44 | Raymond Hall | 16 | Son | — | Illinois |
| 45 | Ernest Hall | 11 | Son | — | Illinois |
| 46 | Doris Hall | 8 | Daughter | — | Illinois |
| 47 | William Foster | 48 | Head | Electrician | Illinois |
| 48 | Marie Foster | 43 | Wife | — | Germany |
| 49 | Louis Foster | 21 | Son | Gas Station Att | Illinois |
| 50 | Arthur Simon | 43 | Head | Steam Fitter | Illinois |
| 51 | Louise Simon | 38 | Wife | — | Illinois |
| 52 | Ethel Simon | 18 | Daughter | — | Illinois |
| 53 | Arthur Simon | 17 | Son | Laborer | Illinois |
| 54 | Elmer Simon | 10 | Son | — | Illinois |
| 55 | Richard Simon | 5 | Son | — | Illinois |
| 56 | Charles Cunningham | 58 | Head | Coach Carpenter | Indiana |
| 57 | Anna Cunningham | 54 | Wife | — | England |
| 58 | Charles Cunningham | 30 | Son | Grocery Clerk | Ohio |
| 59 | Ethel Cunningham | 28 | Daughter | Operator | Illinois |
| 60 | Carl Cunningham | 24 | Son | Shipping Clerk | Illinois |
| 61 | William Cunningham | 20 | Son | New Worker | Illinois |
| 62 | Donald Cunningham | 19 | Son | Attendant | Illinois |
| 63 | Lois Cunningham | 16 | Daughter | — | Illinois |
| 64 | Frank Cunningham | 14 | Son | — | Illinois |
| 65 | James Cunningham | 10 | Son | — | Illinois |
| 66 | Roy Miller | 39 | Head | Shipping Clerk | Illinois |
| 67 | Loretta Miller | 34 | Wife | — | Ohio |
| 68 | Betty Miller | 14 | Daughter | — | Illinois |
| 69 | Leroy Miller THIS PERSON | 13 | Son | — | Illinois |
| 70 | Lois Miller | 11 | Daughter | — | Illinois |
| 71 | Audrey Miller | 10 | Daughter | — | Illinois |
| 72 | Charlene Miller | 7 | Daughter | — | Illinois |
| 73 | Shirley Miller | 6 | Daughter | — | Illinois |
| 74 | Leola Dubay | 82 | Mother-in-law | — | Illinois |
| 75 | Philip Miller | 48 | Head | Foreman | Illinois |
| 76 | Freda Miller | 48 | Wife | — | Illinois |
| 77 | Nina Dubay | 38 | Mother-in-law | — | Illinois |
| 78 | Gurnie Jacobson | 24 | Head | Dye Maker | Nebraska |
| 79 | Lorraine Jacobson | 25 | Wife | — | Illinois |
| 80 | Herman Jacobson | 0 | Son | — | 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)