LM
Leroy Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Leroy Miller across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed), with identified parents Elza & Guy — first a head (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Miller |
| Given Name | Leroy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Occupation | Apprentice Plumber |
| Industry | Plumbing Company |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1170 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Apprentice Plumber |
| Township / Ward | Springfield |
| Est. Birth Year | ~1912 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leroy | Age | Birth yr |
|---|---|---|---|---|
| Yvonne Miller | Daughter | — | 7 | ~1933 |
| John Miller | Daughter | — | 1 | ~1939 |
| Leroy Miller | Head | — | 28 | ~1912 |
| Grace Miller | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Sangamon, Illinois
Son, age 6
Sangamon, Illinois · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Sangamon, Illinois
Son, age 17
Sangamon, Illinois · implied b. ~1913 — 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 | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Head, age 28
Sangamon-County, Illinois · implied b. ~1912 — 4 household members
| Surname | Miller |
| Given Name | Leroy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Sangamon |
| Occupation | Apprentice Plumber |
| Industry | Plumbing Company |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1170 |
| 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 Leroy Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Elza Miller (~0.92 confidence) and father Guy Miller (~0.92 confidence) and mother Grace Miller (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Elza Miller
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Guy Miller
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Grace Miller
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leroy Miller
Head · 1940 · age 28 · b. ~1912 · 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 — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-00884-00855)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis Hughes | 27 | Head | Miner | Illinois |
| 2 | Wilma Hughes | 23 | Wife | — | Illinois |
| 3 | John Hughes | 6 | Son | — | Illinois |
| 4 | Laura Belle Hughes | 1 | Daughter | — | Illinois |
| 5 | Mary Ogden | 49 | Head | — | Kentucky |
| 6 | Mary K. Ogden | 2 | Daughter | — | S. Dakota |
| 7 | John Skube | 42 | Head | Clerk | Illinois |
| 8 | Ann Marie Skube | 41 | Wife | — | Illinois |
| 9 | Marcella Skube | 20 | Daughter | Handicraft | Illinois |
| 10 | Mary V. Skube | 18 | Daughter | New Worker | Illinois |
| 11 | Anita M. Skube | 17 | Daughter | — | Illinois |
| 12 | Edward Skube | 15 | Son | — | Illinois |
| 13 | William Skube | 14 | Son | — | Illinois |
| 14 | Dolores Skube | 11 | Daughter | — | Illinois |
| 15 | Catherine Skube | 10 | Daughter | — | Illinois |
| 16 | Dorothy A. Skube | 9 | Daughter | — | Illinois |
| 17 | Thomas Skube | 7 | Son | — | Illinois |
| 18 | Francis Skube | 4 | Son | — | Illinois |
| 19 | Frank Geist | 31 | Head | Salesman | Illinois |
| 20 | Ruth Geist | 27 | Wife | — | Illinois |
| 21 | Wanda Geist | 9 | Daughter | — | Illinois |
| 22 | Leroy Miller THIS PERSON | 28 | Head | Apprentice Plumber | Illinois |
| 23 | Grace Miller | 26 | Wife | — | Colorado |
| 24 | Yvonne Miller | 7 | Daughter | — | Illinois |
| 25 | John Miller | 1 | Daughter | — | Illinois |
| 26 | Harold Steelman | 67 | Head | — | Illinois |
| 27 | Ella Steelman | 60 | Wife | — | Illinois |
| 28 | John Spizzo | 79 | Lodger | — | Illinois |
| 29 | Abe Floyd | 60 | Lodger | Laborer | Illinois |
| 30 | Richard Norton | 69 | Lodger | Junker | Illinois |
| 31 | Anthony Salesky | 60 | Lodger | Odd Jobs | Lithuania |
| 32 | George H. Applegate | 48 | Head | Miner | Illinois |
| 33 | Venus Applegate | 39 | Wife | — | Illinois |
| 34 | Fred Fauker | 17 | Step-son | Pinboy | Illinois |
Pedigree Summary
Leroy
Gen 1 · 3 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)