RM
Ralph Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Ralph Miller across the 1910, 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents George & Mary — first a head (b.~1904), then head of a 3-person household.
Age 36
b. ~1904
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Miller |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Clerk |
| Industry | Food Market |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1860 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1904 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Nancy Miller | Daughter | — | 2 | ~1938 |
| Ralph Miller | Head | — | 36 | ~1904 |
| Mary Miller | Spouse | — | 26 | ~1914 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 6
Allegheny, Pennsylvania · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 15
Allegheny, Pennsylvania · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 26
Allegheny, Pennsylvania · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Ralph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | Express Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 36
Allegheny-County, Pennsylvania · implied b. ~1904 — 3 household members
| Surname | Miller |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Clerk |
| Industry | Food Market |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1860 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Miller (~0.92 confidence) and mother Mary Miller (~0.92 confidence) and father William Miller (~0.92 confidence) and father William Miller (~0.92 confidence) and mother Nellie Miller (~0.92 confidence) and mother Nellie Miller (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Miller
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Mary Miller
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
William Miller
b. ~1874
Source father
● Household
· direct · ~0.92
Father
William Miller
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Nellie Miller
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Nellie Miller
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Miller
Head · 1940 · age 36 · b. ~1904 · Pennsylvania
★ 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03675-00218)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mike Chicker | 55 | Head | Riveter | Hungary |
| 2 | Mary Chicker | 51 | Wife | — | Pennsylvania |
| 3 | Edward Chicker | 32 | Son | — | Pennsylvania |
| 4 | Gertrude Chicker | 29 | Daughter | Nurse | Pennsylvania |
| 5 | Raymond Chicker | 27 | Son | Fitter | Pennsylvania |
| 6 | Frank Chicker | 22 | Son | Clerk | Pennsylvania |
| 7 | Dorothy Chicker | 22 | Wife | — | Pennsylvania |
| 8 | Charles Thomas Brown | 39 | Head | Fireman | Pennsylvania |
| 9 | Josephine Brown | 35 | Wife | — | Pennsylvania |
| 10 | Thomas Brown | 12 | Son | — | Pennsylvania |
| 11 | Charles T. Jr. Brown | 8 | Son | — | Pennsylvania |
| 12 | Walter C. Schmidt | 41 | Head | Salesman | New York |
| 13 | Kathryn Schmidt | 35 | Wife | — | Pennsylvania |
| 14 | Robert Schmidt | 14 | Son | — | Pennsylvania |
| 15 | Edward Paul Melcher | 49 | Head | Transfer | Pennsylvania |
| 16 | Nellie Cora Melcher | 44 | Wife | — | Pennsylvania |
| 17 | Richard S. Melcher | 22 | Son | Truck Driver | Pennsylvania |
| 18 | Ruth Rose Melcher | 18 | Daughter | — | Pennsylvania |
| 19 | William Rodach | 55 | Head | Bottling | Austria |
| 20 | Rose Rodach | 44 | Wife | — | New Jersey |
| 21 | Theodore Rodach | 26 | Son | Machinist | Pennsylvania |
| 22 | William B. Rodach | 24 | Son | Painter | Pennsylvania |
| 23 | Rosemary Rodach | 22 | Daughter | Box Maker | Pennsylvania |
| 24 | Joseph F. Rodach | 20 | Son | — | Pennsylvania |
| 25 | Louis Edgar | 55 | Lodger | Machinist | Pennsylvania |
| 26 | Elmer Gloetz | 30 | Head | Maintenance Man | Pennsylvania |
| 27 | Anna Gloetz | 31 | Wife | — | Pennsylvania |
| 28 | Anna Marie Gloetz | 4 | Daughter | — | Pennsylvania |
| 29 | Jeanne Gloetz | 2 | Daughter | — | Pennsylvania |
| 30 | Marion Gloetz | 1 | Daughter | — | Pennsylvania |
| 31 | Ralph Miller THIS PERSON | 36 | Head | Clerk | Pennsylvania |
| 32 | Mary Miller | 26 | Wife | — | Pennsylvania |
| 33 | Nancy Miller | 2 | Daughter | — | Pennsylvania |
| 34 | James Moore | 37 | Head | Proprietor | Northern Ireland |
| 35 | Virginia Moore | 31 | Wife | — | Pennsylvania |
| 36 | Hugh Moore | 2 | Son | — | Pennsylvania |
| 37 | Arthur Chileott | 49 | Head | Operator | Pennsylvania |
| 38 | Agnes Chileott | 43 | Wife | Operator | Pennsylvania |
| 39 | Arthur Jr. Chileott | 24 | Son | Clerk | Pennsylvania |
| 40 | Jean Etta Chileott | 17 | Daughter | Clerk Office | Pennsylvania |
Pedigree Summary
Ralph
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)