LM
Leo Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this Leo Miller across the 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed), with identified parents Margaret & Fred — first a son (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Miller |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland City |
| 1935 Residence (County) | Cuyahoga |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Auto Parts Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 437 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Carpenter |
| Township / Ward | Cleveland City |
| Est. Birth Year | ~1911 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leo | Age | Birth yr |
|---|---|---|---|---|
| Robert Bradbury | Son | — | 12 | ~1928 |
| Leo Miller | Son | — | 29 | ~1911 |
| Mary Bradbury | Daughter | — | 28 | ~1912 |
| Margaret Miller | Head | — | 50 | ~1890 |
| Arthur Bradbury | Other | — | 11 | ~1929 |
| Margaret Bradbury | Daughter | — | 15 | ~1925 |
Census Appearances
1920
Lorain, Ohio
Son, age 9
Lorain, Ohio · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Leo A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Cuyahoga, Ohio
Son, age 20
Cuyahoga, Ohio · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Leo E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Apprentice |
| Industry | Carpenter |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Cuyahoga-County, Ohio
Son, age 29
Cuyahoga-County, Ohio · implied b. ~1911 — 6 household members
| Surname | Miller |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cleveland City |
| 1935 Residence (County) | Cuyahoga |
| Occupation | Carpenter |
| Industry | Auto Parts Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 437 |
| Highest Grade | H 4 |
| 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 Leo Miller across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Margaret Miller (~0.92 confidence) and father Fred Miller (~0.92 confidence) and mother Grace Miller (~0.92 confidence) and mother Margaret Miller (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Miller
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Fred Miller
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Grace Miller
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Margaret Miller
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leo Miller
Son · 1940 · age 29 · b. ~1911 · Ohio
★ You are viewing this record
Sibling
Margaret Bradbury
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Bradbury
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Bradbury
Sibling · 1940 · age 12
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 — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
41 people indexed on this census page (nara:1940:m-t0627-03218-00693)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Smith | 12 | Daughter | — | Ohio |
| 2 | — | None | — | — | — |
| 3 | — | None | — | — | — |
| 4 | Morton Guegler | 50 | Head | Sub Inspector | Ohio |
| 5 | Margaret Guegler | 54 | Wife | Teacher | Ohio |
| 6 | Mary Guegler | 21 | Daughter | Saleslady | Ohio |
| 7 | Theodore Vanik | 42 | Head | Police Officer | Ohio |
| 8 | Beatrice Vanik | 40 | Wife | — | Ohio |
| 9 | John Guthrie | 58 | Head | President Mfg | Missouri |
| 10 | Sara Guthrie | 51 | Wife | — | Ohio |
| 11 | Marie Guthrie | 27 | Daughter | Dietician | Ohio |
| 12 | John Jr. Guthrie | 20 | Son | Driver Helper | Ohio |
| 13 | William Guthrie | 15 | Son | — | Ohio |
| 14 | Catherine Mcginn | 49 | Sister in Law | Supervisor | Ohio |
| 15 | Margaret Miller | 50 | Head | — | Ohio |
| 16 | Mary Bradbury | 28 | Daughter | Saleslady | Ohio |
| 17 | Leo Miller THIS PERSON | 29 | Son | Carpenter | Ohio |
| 18 | Arthur Bradbury | 11 | Son in Law | — | Ohio |
| 19 | Margaret Bradbury | 15 | Daughter | — | Ohio |
| 20 | Robert D. Bradbury | 12 | Son | — | Ohio |
| 21 | Victor E. Lazar | 66 | Head | Ass'T Chief | Ohio |
| 22 | Mary E. Lazar | 63 | Wife | — | Ohio |
| 23 | Emma N. Bradstock | 82 | Wife | — | Ohio |
| 24 | Adeline Lebaner | 48 | Head | — | Ohio |
| 25 | Adeline Lebaner | 11 | Daughter | — | Ohio |
| 26 | Robert Lebaner | 10 | Son | — | Ohio |
| 27 | Mary A. Cumbaugh | 41 | Head | — | Ohio |
| 28 | James Healy | 60 | Lodger | Polisher & Buffer | Scotland |
| 29 | Marcus T. Donnelly | 55 | Head | Conductor | Ohio |
| 30 | Catherine Donnelly | 50 | Wife | — | Ohio |
| 31 | Clara Donnelly | 24 | Daughter | Comptometer Op | Ohio |
| 32 | Margaret Donnelly | 21 | Daughter | Cashier | Ohio |
| 33 | James A. Mckeon | 47 | Head | Machinist | Ohio |
| 34 | Anna D. Mckeon | 44 | Wife | — | Ohio |
| 35 | Doris Mckeon | 12 | Daughter | — | Ohio |
| 36 | Roy L. Dickey | 11 | Nephew | — | Ohio |
| 37 | Mattie E. Kauffman | 49 | Head | Bookkeeper | Ohio |
| 38 | Emma Kauffman | 49 | Wife | — | Ohio |
| 39 | Palmer Kauffman | 20 | Son | Laborer | Ohio |
| 40 | William Kauffman | 16 | Son | — | Ohio |
| 41 | George W. Sanda | 42 | Head | Shipping Clerk | Ohio |
Pedigree Summary
Leo + 3 siblings
Gen 1 · 4 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)