LM
Leonard Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Leonard Miller across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents William & Mary — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Miller |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Nurseryman |
| Industry | Nursery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 866 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Nurseryman |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1915 |
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 Leonard | Age | Birth yr |
|---|---|---|---|---|
| Leonard Miller | Son | — | 25 | ~1915 |
| Catherine Miller | Spouse | — | 56 | ~1884 |
| Joseph Miller | Son | — | 19 | ~1921 |
| Herman Miller | Head | — | 60 | ~1880 |
Census Appearances
1920
Hamilton, Ohio
Son, age 5
Hamilton, Ohio · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Germany |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Son, age 15
Hamilton, Ohio · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Son, age 25
Hamilton-County, Ohio · implied b. ~1915 — 4 household members
| Surname | Miller |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Occupation | Nurseryman |
| Industry | Nursery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 866 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Leonard Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Miller (~0.92 confidence) and mother Mary Miller (~0.92 confidence) and father Herman Miller (~0.92 confidence) and father Herman Miller (~0.92 confidence) and mother Catherine Miller (~0.92 confidence) and mother Kathrine Miller (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Miller
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mary Miller
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Herman Miller
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Herman Miller
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Catherine Miller
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Kathrine Miller
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leonard Miller
Son · 1940 · age 25 · b. ~1915 · Ohio
★ You are viewing this record
Sibling
Joseph Miller
Sibling · 1940 · age 19
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 — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03199-00643)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Lautenschlager | 45 | Head | Machinist | Ohio |
| 2 | Mae E Lautenschlager | 47 | Wife | — | Ohio |
| 3 | Doris Lautenschlager | 17 | Daughter | — | Ohio |
| 4 | John Doherty | 50 | Head | Plumber | Ohio |
| 5 | Louise R Doherty | 50 | Wife | — | Ohio |
| 6 | Julia Doherty | 18 | Sister | Apprentice Plumber | Ohio |
| 7 | Frank Borgman | 52 | Head | Grocer | Ohio |
| 8 | Irene A Borgman | 50 | Wife | — | Ohio |
| 9 | Jane Borgman | 25 | Daughter | Braille Printer | Ohio |
| 10 | James Borgman | 11 | Son | — | Ohio |
| 11 | Andrew Gassner | 66 | Head | Street Cleaner | Ohio |
| 12 | Anna Gassner | 56 | Wife | — | Ohio |
| 13 | William Gassner | 30 | Son | Die Setter | Kentucky |
| 14 | Mildred Gassner | 23 | Daughter | Stenographer | Kentucky |
| 15 | Marian Gassner | 25 | Daughter | Stenographer | Ohio |
| 16 | Anna May Gassner | 19 | Daughter | — | Ohio |
| 17 | Phillip Depplers | 65 | Head | — | Ohio |
| 18 | Anna Depplers | 73 | Wife | — | Ohio |
| 19 | Herman Miller | 60 | Head | — | Ohio |
| 20 | Catherine Miller | 56 | Wife | — | Ohio |
| 21 | Leonard Miller THIS PERSON | 25 | Son | Nurseryman | Ohio |
| 22 | Joseph Miller | 19 | Son | Nurseryman | Ohio |
| 23 | Clarence Brown | 43 | Head | R R Mail Clerk | Indiana |
| 24 | Lois R Brown | 41 | Wife | — | Indiana |
| 25 | Mary Brown | 17 | Daughter | — | Indiana |
| 26 | George Brown | 16 | Son | — | Indiana |
| 27 | Robert Brown | 15 | Son | — | Indiana |
| 28 | Thomas Brown | 11 | Son | — | Indiana |
| 29 | David Brown | 10 | Son | — | Indiana |
| 30 | Agnes Brown | 6 | Daughter | — | Indiana |
| 31 | John B Ilieg | 65 | Head | Order Clerk | Ohio |
| 32 | Frances Ilieg | 55 | Wife | — | Ohio |
| 33 | Richard Ilieg | 22 | Son | Accountant | Ohio |
| 34 | Virginia Ilieg | 20 | Daughter | Dermatologist | Ohio |
| 35 | Irene Ilieg | 11 | Daughter | — | Ohio |
| 36 | Charles R Fisher | 36 | Head | Captain Waiter | England |
| 37 | Lucy Fisher | 33 | Wife | — | England |
| 38 | Virginia Fisher | 9 | Daughter | — | England |
| 39 | Paul Matchews | 27 | Head | Mechanic | Ohio |
| 40 | June Matchews | 25 | Wife | — | Kentucky |
Pedigree Summary
Leonard + 1 sibling
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)