RM
Ralph Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Ralph Miller across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed), with identified parents Patrick & Catherine — first a head (b.~1902), then head of a 5-person household.
Age 38
b. ~1902
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Miller |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Clerk |
| Industry | Printing Care Mfg |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Clerk |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1902 |
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 Ralph | Age | Birth yr |
|---|---|---|---|---|
| Dolores Miller | Daughter | — | 11 | ~1929 |
| Barbara Miller | Daughter | — | 3 | ~1937 |
| Ralph Miller | Head | — | 38 | ~1902 |
| Bertram Miller | Son | — | 5 | ~1935 |
| Grace Miller | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Hamilton, Ohio
Son, age 17
Hamilton, Ohio · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mueller |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Office boy |
| Industry | Real Estate |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Hamilton, Ohio
Other, age 27
Hamilton, Ohio · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mueller |
| Given Name | Ralph |
| Relationship to Head | Son in law |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 23 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Broker |
| Industry | Brokerage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Head, age 38
Hamilton-County, Ohio · implied b. ~1902 — 5 household members
| Surname | Miller |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Occupation | Clerk |
| Industry | Printing Care Mfg |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 2600 |
| Highest Grade | Hs 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 Ralph Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Mueller (~0.92 confidence) and mother Catherine Mueller (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Mueller
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Catherine Mueller
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Miller
Head · 1940 · age 38 · b. ~1902 · Ohio
★ 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 — 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-t0627-03195-00459)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Mullinnix | 47 | Head | Truck Driver | Russia |
| 42 | Esther Mullinnix | 37 | Wife | — | New York |
| 43 | Paul Mcqueen | 52 | Head | Attorney | Ohio |
| 44 | Kate Mcqueen | 56 | Wife | — | Ohio |
| 45 | Ralph Miller THIS PERSON | 38 | Head | Clerk | Ohio |
| 46 | Grace Miller | 37 | Wife | — | Ohio |
| 47 | Dolores Miller | 11 | Daughter | — | Illinois |
| 48 | Bertram Miller | 5 | Son | — | Ohio |
| 49 | Barbara Miller | 3 | Daughter | — | Ohio |
| 50 | David Pickard | 34 | Head | Attorney | Ohio |
| 51 | Carole Pickard | 32 | Wife | — | Ohio |
| 52 | Sandra V. Pickard | 5 | Daughter | — | Ohio |
| 53 | David Pickard | 1 | Son | — | Ohio |
| 54 | Mary Todd | 29 | Maid | Maid | Ohio |
| 55 | Frances Wessel | 65 | Head | — | Ohio |
| 56 | Catherine Herberich | 62 | Sister-in-law | — | Ohio |
| 57 | Nancy Brakeman | 31 | Daughter | Clerk | Ohio |
| 58 | James Brakeman | 36 | Son-in-law | Salesman | Kentucky |
| 59 | James Kerr | 56 | Head | Stock Man | Ohio |
| 60 | Rose Kerr | 49 | Wife | — | Ohio |
| 61 | Jacob Kathe | 49 | Head | Salesman | Ohio |
| 62 | Madge Kathe | 42 | Wife | Proprietor | Ohio |
| 63 | Mary Kathe | 21 | Daughter | — | Ohio |
| 64 | Kenneth Kathe | 5 | Son | — | Ohio |
| 65 | Mary King | 55 | Cook | Cook | Iowa |
| 66 | Irwin Hollenbeck | 59 | Head | Copper Smith | Ohio |
| 67 | Nettie Hollenbeck | 56 | Wife | — | Ohio |
| 68 | William Hermeling | 32 | Roomer | Auditor | Ohio |
| 69 | Theodore Mueller | 36 | Head | Auditor | Ohio |
| 70 | Mary Mueller | 34 | Wife | — | Ohio |
| 71 | Mary Mueller | 13 | Daughter | — | Ohio |
| 72 | Joan Mueller | 10 | Daughter | — | Ohio |
| 73 | Claire Mueller | 8 | Daughter | — | Ohio |
| 74 | Carole Mueller | 3 | Daughter | — | Ohio |
| 75 | George Harmon | 33 | Head | Foreman | Kentucky |
| 76 | Edith Harmon | 27 | Wife | — | Ohio |
| 77 | Gale Harmon | 5 | Son | — | Kentucky |
| 78 | Edith V. Harmon | 3 | Daughter | — | Ohio |
| 79 | Mabel Muschweck | 34 | Head | Bookkeeper | Ohio |
| 80 | Cancelled Muschweck | None | — | — | — |
Pedigree Summary
Ralph
Gen 1 · 2 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)