FS
Frank Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Frank Smith across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Mary — first a head (b.~1911), then head of a 3-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 | Frank J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Office Clerk |
| Industry | Bolt Mfg Co |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1050 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Office Clerk |
| Township / Ward | Pittsburgh City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Smith | Head | — | 29 | ~1911 |
| Richard Smith | Son | — | 8 | ~1932 |
| Agnes Smith | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Allegheny, Pennsylvania
Other, age 8
Allegheny, Pennsylvania · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Frank Jr. |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| 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 18
Allegheny, Pennsylvania · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Frank Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Cement 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 29
Allegheny-County, Pennsylvania · implied b. ~1911 — 3 household members
| Surname | Smith |
| Given Name | Frank J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Occupation | Office Clerk |
| Industry | Bolt Mfg Co |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1050 |
| Highest Grade | Hs 3 |
| 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 Frank Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Smith (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Smith
b. ~1857
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank 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
39 people indexed on this census page (nara:1940:m-t0627-03665-00154)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Milianckas | 44 | Head | Smoke Room | Lithuania |
| 42 | Margaret Milianckas | 39 | Wife | Meat Packer | Lithuania |
| 43 | Anna Milianckas | 18 | Daughter | Maid | Pennsylvania |
| 44 | Charles Milianckas | 12 | Son | — | Pennsylvania |
| 45 | Agnes Grizas | 61 | Mother-in-law | — | Lithuania |
| 46 | Frank J. Smith THIS PERSON | 29 | Head | Office Clerk | Pennsylvania |
| 47 | Agnes Smith | 25 | Wife | — | Pennsylvania |
| 48 | Richard Smith | 8 | Son | — | Pennsylvania |
| 49 | Walter Andrezcik | 44 | Head | Chipper | Poland |
| 50 | Agnes Andrezcik | 49 | Wife | — | Poland |
| 51 | Ludwick Kumber | 74 | Head | Stv Laborer | Pennsylvania |
| 52 | Ludwick Reieroth | 29 | Grandson | Attendant | Pennsylvania |
| 53 | Martha Reieroth | 30 | Granddaughter | Addressing Clerk | Pennsylvania |
| 54 | Jacob Hamm | 51 | Head | Shearman | Pennsylvania |
| 55 | Katherine Hamm | 42 | Wife | — | Pennsylvania |
| 57 | Elizabeth Lewis | 41 | Head | Maid | Pennsylvania |
| 58 | Robert Lewis | 18 | Son | New Worker | Pennsylvania |
| 59 | Delores Lewis | 17 | Daughter | New Worker | Pennsylvania |
| 60 | Kenneth Lewis | 14 | Son | New Worker | Pennsylvania |
| 61 | Betty Jane Lewis | 5 | Daughter | — | Pennsylvania |
| 62 | Anna Funaiock | 42 | Head | — | Pennsylvania |
| 63 | Dorothy Funaiock | 19 | Daughter | New Worker | Pennsylvania |
| 64 | John Funaiock | 14 | Son | — | Pennsylvania |
| 65 | Stephen Otejen | 25 | Head | Truck Driver | Pennsylvania |
| 66 | Josephine Otejen | 23 | Wife | — | Pennsylvania |
| 67 | Peter Kustron | 40 | Head | Crane Man | Pennsylvania |
| 68 | Marisa Kustron | 39 | Wife | — | Pennsylvania |
| 69 | Lois Kustron | 8 | Daughter | — | Pennsylvania |
| 70 | Byrd Westbrook | 46 | Head | Electrician Foreman | Alabama |
| 71 | Amanda Westbrook | 43 | Wife | — | Alabama |
| 72 | Byrd Jr. Westbrook | 19 | Son | Supply Clerk | Alabama |
| 73 | Howard Westbrook | 18 | Son | New Worker | Alabama |
| 74 | Montague Westbrook | 15 | Daughter | — | Alabama |
| 75 | Jacob Naab | 39 | Head | Crane Operator | Pennsylvania |
| 76 | Sarah Naab | 34 | Wife | — | Pennsylvania |
| 77 | James Naab | 16 | Son | New Worker | Pennsylvania |
| 78 | Evelyn Naab | 14 | Daughter | New Worker | Pennsylvania |
| 79 | Robert Naab | 5 | Son | — | Pennsylvania |
| 80 | Regis J. King | 43 | Head | Guard | Pennsylvania |
Pedigree Summary
Frank
Gen 1 · 1 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)