SS
Stephen Smith — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Stephen Smith across the 1920, 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 4-person household.
Age 38
b. ~1892
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Smith |
| Given Name | Stephen |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 24 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Core Maker |
| Industry | Steel Foundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Core Maker |
| Township / Ward | Millvale |
| Est. Birth Year | ~1892 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Stephen | Age | Birth yr |
|---|---|---|---|---|
| John Smith | Son | — | 13 | ~1917 |
| Stephen Smith | Head | — | 38 | ~1892 |
| Elizabeth Smith | Daughter | — | 12 | ~1918 |
| Ellen Smith | Other | — | 32 | ~1898 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 29
Allegheny, Pennsylvania · implied b. ~1891 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Stephen |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Core Maker |
| Industry | Foundry |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 38
Allegheny, Pennsylvania · implied b. ~1892 — 4 household members
| Surname | Smith |
| Given Name | Stephen |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 24 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Pennsylvania |
| Occupation | Core Maker |
| Industry | Steel Foundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 49
Allegheny-County, Pennsylvania · implied b. ~1891 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Steven |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Millvale |
| 1935 Residence (County) | Allegheny |
| Occupation | Laborer |
| Industry | Airfield |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1352 |
| Highest Grade | No 8 |
| 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 Stephen Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Stephen Smith
Head · 1930 · age 38 · b. ~1892 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1967:0656)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary Schurr | 49 | Sister | Stenographer | Pennsylvania |
| 52 | Ida Schurr | 47 | Sister | Clerk | Pennsylvania |
| 53 | Louis J Heist | 35 | Head | Laborer | Pennsylvania |
| 54 | Inez Heist | 37 | Wife-H | — | Pennsylvania |
| 55 | H. Ruth Heist | 10 | Daughter | — | Pennsylvania |
| 56 | Louis C Heist | 8 | Son | — | Pennsylvania |
| 57 | William R Heist | 5 | Son | — | Pennsylvania |
| 58 | Peter J Mihilfied | 36 | Head | Brakeman | Pennsylvania |
| 59 | Teresa Mihilfied | 29 | Wife-H | — | Pennsylvania |
| 60 | Vincent Mihilfied | 7 | Son | — | Pennsylvania |
| 61 | Verna Mihilfied | 5 | Son | — | Pennsylvania |
| 62 | Edna Mccandless | 34 | Head-H | Biller | Pennsylvania |
| 63 | William Mccandless | 14 | Son | — | Pennsylvania |
| 64 | Edward Pfeifer | 51 | Head | Undertaker | Pennsylvania |
| 65 | Katherine Pfeifer | 49 | Wife-H | — | Pennsylvania |
| 66 | Evelyn Pfeifer | 21 | Daughter | — | Pennsylvania |
| 67 | Edward J Pfeifer | 15 | Son | — | Pennsylvania |
| 68 | Raymond C Pfeifer | 9 | Son | — | Pennsylvania |
| 69 | Beatrice Marchello | 53 | Head-H | Laundress | France |
| 70 | Frank Marchello | 37 | Son | — | Pennsylvania |
| 71 | Louis Marchello | 11 | Grandson | — | Pennsylvania |
| 72 | Frank Jr Marchello | 9 | Grandson | — | Pennsylvania |
| 73 | Joseph Magul | 63 | Head | Laborer | Germany |
| 74 | Carolyn Magul | 60 | Wife-H | — | Germany |
| 75 | Cecelia Magul | 24 | Daughter | Operator | Pennsylvania |
| 76 | Marcella Magul | 20 | Daughter | — | Pennsylvania |
| 77 | John Magul | 26 | Son | Bookkeeper | Pennsylvania |
| 78 | Mary Oremmel | 66 | Head-H | — | Pennsylvania |
| 79 | Olivera, John Oremmel | 25 | Son-in-law | Laborer | Pennsylvania |
| 80 | Alma Oremmel | 23 | Daughter | Clerk | Pennsylvania |
| 81 | Edward J. Rossman | 52 | Head | Laborer | Germany |
| 82 | Cecelia Rossman | 57 | Wife-H | — | Germany |
| 83 | Edward Rossman | 19 | Son | Clerk | Pennsylvania |
| 84 | Frederick Rossman | 16 | Son | Errand Boy | Pennsylvania |
| 85 | Hilda Zodel | 24 | Step-daughter | Telephone Opr | Pennsylvania |
| 86 | Jacques H Diebold | 50 | Head | Machinist | Pennsylvania |
| 87 | Sue A Diebold | 39 | Wife-H | — | Pennsylvania |
| 88 | Gertrude Diebold | 15 | Daughter | — | Pennsylvania |
| 89 | Harriet Diebold | 14 | Daughter | — | Pennsylvania |
| 90 | George Pleithner | 66 | Head | Laborer | Germany |
| 91 | Anna Pleithner | 62 | Wife-H | — | Germany |
| 92 | Frances Pleithner | 25 | Daughter | — | Pennsylvania |
| 93 | Raymond Dutch | 16 | Grandson | Errand Boy | Pennsylvania |
| 94 | Andrew Niemetz | 35 | Head | Motorman | Pennsylvania |
| 95 | Marie Niemetz | 37 | Wife-H | — | Pennsylvania |
| 96 | Albert Niemetz | 16 | Son | Errand Boy | Pennsylvania |
| 97 | Stephen Smith THIS PERSON | 38 | Head | Core Maker | Pennsylvania |
| 98 | Ellen C Smith | 32 | Wife-H | — | Pennsylvania |
| 99 | John S Smith | 13 | Son | — | Pennsylvania |
| 100 | Elizabeth Smith | 12 | Daughter | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)