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Jack Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Jack Miller across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Charles & Clara — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Miller |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Clairton City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Inst. Machinist |
| Industry | Steel mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1480 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Inst. Machinist |
| Township / Ward | Clairton City |
| Est. Birth Year | ~1918 |
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 Jack | Age | Birth yr |
|---|---|---|---|---|
| Catherine Miller | Daughter | — | 32 | ~1908 |
| John Miller | Head | — | 57 | ~1883 |
| Jack Miller | Son | — | 22 | ~1918 |
| Richard Miller | Son | — | 20 | ~1920 |
| William Miller | Son | — | 15 | ~1925 |
| Bridget Miller | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 1
Allegheny, Pennsylvania · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 11
Allegheny, Pennsylvania · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 22
Allegheny-County, Pennsylvania · implied b. ~1918 — 6 household members
| Surname | Miller |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Clairton City |
| 1935 Residence (County) | Allegheny |
| Occupation | Inst. Machinist |
| Industry | Steel mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1480 |
| Highest Grade | Hs 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 Jack Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Miller (~0.92 confidence) and mother Clara Miller (~0.92 confidence) and mother Bridget Miller (~0.92 confidence) and father John Miller (~0.92 confidence) and father Charles Miller (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Miller
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Clara Miller
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Bridget Miller
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
John Miller
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Charles Miller
b. ~1885
Source father
● Household
· direct · ~0.92
This person
Anchor record
Jack Miller
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Catherine Miller
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Miller
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Miller
Sibling · 1940 · age 15
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-t0627-03400-00650)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alex Patrick | 67 | Head | — | Austria |
| 2 | Mary Patrick | 57 | Wife | — | Austria |
| 3 | John Patrick | 22 | Son | Laborer | Pennsylvania |
| 4 | Alex Patrick | 30 | Head | Laborer | Pennsylvania |
| 5 | Elizabeth Patrick | 28 | Wife | — | Pennsylvania |
| 6 | Alex Patrick | 3 | Son | — | Pennsylvania |
| 7 | Betty Patrick | 1 | Daughter | — | Pennsylvania |
| 8 | Mike Sennaca | 49 | Head | Bricklayer | Italy |
| 9 | Josephine Sennaca | 14 | Daughter | — | Pennsylvania |
| 10 | Rose Sennaca | 13 | Daughter | — | Pennsylvania |
| 11 | Antoinette Sennaca | 12 | Daughter | — | Pennsylvania |
| 12 | Mary Sennaca | 11 | Daughter | — | Pennsylvania |
| 13 | John M Miller | 57 | Head | Foreman | Pennsylvania |
| 14 | Bridget Miller | 57 | Wife | — | Pennsylvania |
| 15 | Jack Miller THIS PERSON | 22 | Son | Inst. Machinist | Pennsylvania |
| 16 | Richard Miller | 20 | Son | Clerk | Pennsylvania |
| 17 | Catherine Miller | 32 | Daughter | Clerk | Pennsylvania |
| 18 | William Miller | 15 | Son | — | Pennsylvania |
| 19 | Andrew Kovacs | 49 | Head | Laborer | Hungary |
| 20 | Elizabeth Kovacs | 49 | Wife | — | Hungary |
| 21 | William Kovacs | 13 | Son | — | Pennsylvania |
| 22 | John Jr. Karnick | 38 | Head | Laborer | Pennsylvania |
| 23 | Bertha Karnick | 33 | Wife | — | Pennsylvania |
| 24 | Frank Hernyak | 49 | Head | Laborer | Czechoslovakia |
| 25 | Anna Hernyak | 50 | Wife | — | Pennsylvania |
| 26 | Anna Hernyak | 14 | Daughter | — | Pennsylvania |
| 27 | Stanley Georgieff | 35 | Head | Insurance Agt | Bulgaria |
| 28 | Pauline Georgieff | 27 | Wife | — | New York |
| 29 | Marie Georgieff | 1 | Daughter | — | Pennsylvania |
| 30 | Michael Baldowski | 29 | Head | Watchman | Pennsylvania |
| 31 | Ann Baldowski | 25 | Wife | — | Ohio |
| 32 | Michael Baldowski | 3 | Son | — | Pennsylvania |
| 33 | Ann Rusnak | 40 | Head | — | Czechoslovakia |
| 34 | John Rusnak | 21 | Son | Laborer | Ohio |
| 35 | Frank Rusnak | 18 | Son | — | Pennsylvania |
| 36 | Margaret Rusnak | 18 | Daughter | Housekeeper | Pennsylvania |
| 37 | Lukas Sendin | 42 | Head | — | Yugoslavia |
| 38 | Frances Sendin | 31 | Wife | — | Pennsylvania |
| 39 | Frank Sendin | 12 | Son | — | Pennsylvania |
| 40 | Richard Sendin | 1 | Son | — | Pennsylvania |
Pedigree Summary
Jack + 3 siblings
Gen 1 · 5 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)