OS
Oliver Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Oliver Smith across the 1910, 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Oliver & Walter — first a head (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Smith |
| Given Name | Oliver Jr. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Brackenridge |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Rod mill worker |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 575 |
| Highest Grade | No 7 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Rod Mill Worker |
| Township / Ward | Tarentum Borough |
| 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 Oliver | Age | Birth yr |
|---|---|---|---|---|
| Betty Smith | Spouse | — | 26 | ~1914 |
| Robert Smith | Son | — | 6 | ~1934 |
| Albert Smith | Son | — | 7 | ~1933 |
| Oliver Smith | Head | — | 29 | ~1911 |
| Phyllis Smith | Daughter | — | 3 | ~1937 |
| Janet Smith | Daughter | — | 4 | ~1936 |
Census Appearances
1910
Washington, Pennsylvania
Son, age
Washington, Pennsylvania · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Oliver |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| 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 9
Allegheny, Pennsylvania · implied b. ~1911 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Oliver |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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 19
Allegheny, Pennsylvania · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Oliver |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Inspector helper |
| Industry | Steel mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 29
Allegheny-County, Pennsylvania · implied b. ~1911 — 6 household members
| Surname | Smith |
| Given Name | Oliver Jr. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Brackenridge |
| 1935 Residence (County) | Allegheny |
| Occupation | Rod mill worker |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 575 |
| Highest Grade | No 7 |
| 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 Oliver Smith across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Oliver Smith (~0.92 confidence) and father Walter Smith (~0.92 confidence) and mother Annie Smith (~0.92 confidence) and mother Bessie Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oliver Smith
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Walter Smith
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Annie Smith
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Bessie Smith
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oliver Smith
Head · 1940 · age 29 · b. ~1911 · 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-t0627-03419-00149)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mildred Redmond | 13 | daughter | — | Pennsylvania |
| 2 | Harry Redmond | 10 | son | — | Pennsylvania |
| 3 | Beverly Redmond | 8 | daughter | — | Pennsylvania |
| 4 | Jacqueline Redmond | 3 | daughter | — | Pennsylvania |
| 5 | John W. Burchett | 47 | head | Carpenter | Ohio |
| 6 | Sarah Burchett | 29 | wife | — | Pennsylvania |
| 7 | Hazel M. Bandy | 40 | head | Gym Teacher | Pennsylvania |
| 8 | William Bandy | 15 | son | — | Pennsylvania |
| 9 | Betty Lou Bandy | 14 | daughter | — | Pennsylvania |
| 10 | Marion J. Bandy | 11 | daughter | — | Pennsylvania |
| 11 | Marilyn J. Bandy | 11 | daughter | — | Pennsylvania |
| 12 | William L. Scholl | 53 | head | Matcher | Pennsylvania |
| 13 | Irene Scholl | 43 | wife | — | Pennsylvania |
| 14 | Franklin Scholl | 24 | son | Assistant Manager | Pennsylvania |
| 15 | Margaret Scholl | 17 | daughter | — | Pennsylvania |
| 16 | Walter Scholl | 15 | son | — | Pennsylvania |
| 17 | Richard Scholl | 10 | son | — | Pennsylvania |
| 18 | Joanna Scholl | 6 | daughter | — | Pennsylvania |
| 19 | Theodore Thimons | 45 | head | Polisher | Pennsylvania |
| 20 | Edna Thimons | 43 | wife | — | Pennsylvania |
| 21 | Albert Thimons | 18 | son | — | Pennsylvania |
| 22 | Agnes Thimons | 16 | daughter | — | Pennsylvania |
| 23 | Annabelle Thimons | 13 | daughter | — | Pennsylvania |
| 24 | Raymond Thimons | 12 | son | — | Pennsylvania |
| 25 | May Beck | 66 | head | — | Pennsylvania |
| 26 | Harvey Beck | 26 | son | Carpenter Helper | Virginia |
| 27 | Dolores May Elkin | 10 | grand-daughter | — | Pennsylvania |
| 28 | Oliver Jr. Smith THIS PERSON | 29 | head | Rod Mill Worker | Pennsylvania |
| 29 | Betty Smith | 26 | wife | — | Pennsylvania |
| 30 | Albert Smith | 7 | son | — | Pennsylvania |
| 31 | Robert Smith | 6 | son | — | Pennsylvania |
| 32 | Janet L. Smith | 4 | daughter | No | Pennsylvania |
| 33 | Phyllis Smith | 3 | daughter | No | Pennsylvania |
| 34 | Adelaide Weiss | 46 | head | Music Teacher | Pennsylvania |
| 35 | Gertrude Weiss | 80 | mother | — | Germany |
| 36 | Marjorie Snyder | 15 | niece | — | Pennsylvania |
| 37 | Loretta Snyder | 14 | niece | — | Pennsylvania |
| 38 | Noah Braham | 40 | head | Transfer Operator | Pennsylvania |
| 39 | Anna Braham | 33 | wife | — | Pennsylvania |
| 40 | Nina Braham | 16 | daughter | — | Pennsylvania |
Pedigree Summary
Oliver
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)