LM
Louis Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Louis Miller across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & Margaret — first a son (b.~1915), then head of a 6-person household.
Age 25
b. ~1915
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Miller |
| Given Name | Louis |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | McKeesport City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | labour |
| Industry | Copper Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1050 |
| Highest Grade | H 3 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Labour |
| Township / Ward | Mckeesport City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Barbara Miller | Daughter | — | 16 | ~1924 |
| Margaret Miller | Head | — | 55 | ~1885 |
| Three Miller | Other | — | 15 | ~1925 |
| Louis Miller | Son | — | 25 | ~1915 |
| John Miller | Son | — | 21 | ~1919 |
| Paul Miller | Son | — | 29 | ~1911 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 14
Allegheny, Pennsylvania · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Louis S. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 6 household members
| Surname | Miller |
| Given Name | Louis |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | McKeesport City |
| 1935 Residence (County) | Allegheny |
| Occupation | labour |
| Industry | Copper Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1050 |
| Highest Grade | H 3 |
| 1935 Residence | Pennsylvania |
| 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 Louis 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 Margaret Miller (~0.92 confidence) and mother Josephine Miller (~0.92 confidence) and father Joseph Miller (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Miller
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Margaret Miller
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Josephine Miller
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Joseph Miller
b. ~1891
Source father
● Household
· direct · ~0.92
This person
Anchor record
Louis Miller
Son · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
John Miller
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Miller
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Miller
Sibling · 1940 · age 29
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 — 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-t0627-03408-00507)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Zunko | 9 | son | — | Pennsylvania |
| 2 | Rose Zunko | 8 | daughter | — | Pennsylvania |
| 3 | Jane Zunko | 6 | daughter | — | Pennsylvania |
| 4 | Joseph Zunko | 5 | son | — | Pennsylvania |
| 5 | James Rollason | 28 | head | Labour | Pennsylvania |
| 6 | Rose Rollason | 22 | wife | — | Pennsylvania |
| 7 | Clarence Jr. Rollason | 5 | son | — | Pennsylvania |
| 8 | Ronald Rollason | 3 | son | — | Pennsylvania |
| 9 | Robert Rollason | 1 | son | — | Pennsylvania |
| 10 | Agnes Lowry | 47 | head | Cleaner | Pennsylvania |
| 11 | Lillian Lowry | 15 | daughter | — | Pennsylvania |
| 12 | Elizabeth Bukari | 37 | head | Housework | Pennsylvania |
| 13 | Violet Bukari | 19 | daughter | — | Pennsylvania |
| 14 | Betty Bukari | 17 | daughter | — | Pennsylvania |
| 15 | Margaret Bukari | 15 | daughter | — | Pennsylvania |
| 16 | Nere Luke Bukari | 42 | boarder | — | Italy |
| 17 | Margaret Stakis | 44 | head | — | Pennsylvania |
| 18 | Charles Stakis | 19 | son | Park Work | Pennsylvania |
| 19 | Frank Stakis | 16 | son | None | Pennsylvania |
| 20 | Edward Nocher | 30 | lodger | Stage | England |
| 21 | David James | 65 | head | Labour | Wales |
| 22 | Mary James | 57 | wife | — | Pennsylvania |
| 23 | John James | 27 | son | Labour | Michigan |
| 24 | Mary Inguerson | 75 | head | — | Pennsylvania |
| 25 | Dolly R. Inguerson | 53 | son | Electrician | Pennsylvania |
| 26 | Rose Hamer | 57 | lodger | Waitress | Maryland |
| 27 | Margaret Mrs. Miller | 55 | head | — | Pennsylvania |
| 28 | Paul Miller | 29 | son | Janitor | Pennsylvania |
| 29 | Louis Miller THIS PERSON | 25 | son | Labour | Pennsylvania |
| 30 | John Miller | 21 | son | — | Pennsylvania |
| 31 | Barbara Miller | 16 | daughter | — | Pennsylvania |
| 32 | Three Mks Miller | 15 | boarder | — | Pennsylvania |
| 33 | Matt Rujmic | 47 | head | Proprietor | Austria |
| 34 | Josephine Rujmic | 44 | wife | — | Austria |
| 35 | Matthew Rujmic | 18 | son | — | Pennsylvania |
| 36 | Paul Rujmic | 17 | son | — | Pennsylvania |
| 37 | Jennie Rujmic | 11 | daughter | — | Pennsylvania |
| 38 | Rose Rujmic | 8 | daughter | — | Pennsylvania |
| 39 | Daisy Buckarje | 20 | daughter | Waitress | Pennsylvania |
| 40 | Matt Buckarje | 24 | son-in-law | Inspector | Pennsylvania |
Pedigree Summary
Louis + 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)