AS
Alexander Smith — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Alexander Smith across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Duncan & Susan — first a head (b.~1896), then head of a 4-person household.
Age 34
b. ~1896
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Smith |
| Given Name | Alexander G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Mcdonald Borough |
| Est. Birth Year | ~1896 |
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 Alexander | Age | Birth yr |
|---|---|---|---|---|
| Alexander Smith | Son | — | 12 | ~1918 |
| Robert Smith | Son | — | 10 | ~1920 |
| Alexander Smith | Head | — | 34 | ~1896 |
| Helen Smith | Spouse | — | 29 | ~1901 |
Census Appearances
1910
Washington, Pennsylvania
Son, age 14
Washington, Pennsylvania · implied b. ~1896 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Alexander |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Washington, Pennsylvania
Head, age 24
Washington, Pennsylvania · implied b. ~1896 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Alexander |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Line Walker |
| Industry | Electric Company |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 34
Allegheny, Pennsylvania · implied b. ~1896 — 4 household members
| Surname | Smith |
| Given Name | Alexander G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Laborer |
| Industry | Odd jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Veteran | No |
| 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 Alexander Smith across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father Duncan Smith (~0.92 confidence) and mother Susan Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Duncan Smith
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Susan Smith
b. ~1859
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alexander Smith
Head · 1930 · age 34 · b. ~1896 · Pennsylvania
★ You are viewing this record
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:fifteenthcensus00reel1965:0762)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Jane E Smith | 47 | Daughter | — | Scotland |
| 52 | Robert R Smith | 31 | Son | Laborer | Scotland |
| 53 | Zelia Queri | 66 | Head | — | Belgium |
| 54 | Gustave Queri | 40 | Son | Loader | Belgium |
| 55 | Cordilla Queri | 34 | Daughter | Kitchen Maid | Belgium |
| 56 | Henry Queri | 35 | Head | Loader | Belgium |
| 57 | Emilie J Queri | 25 | Wife | — | Belgium |
| 58 | Henry J Queri | 8 | Son | — | Pennsylvania |
| 59 | Rachel L Queri | 3 | Daughter | — | Pennsylvania |
| 60 | William E Carter | 32 | Head | Watchman | Pennsylvania |
| 61 | Elva J Carter | 37 | Wife | — | Pennsylvania |
| 62 | Eugene Carter | 12 | Son | — | Pennsylvania |
| 63 | Ethel J Carter | 11 | Daughter | — | Pennsylvania |
| 64 | Emile Tissier | 73 | Head | — | France |
| 65 | Louise Tissier | 63 | Wife | — | France |
| 66 | Alexander G Smith THIS PERSON | 34 | Head | Laborer | Pennsylvania |
| 67 | Helen Smith | 29 | Wife | — | Belgium |
| 68 | Alexander Smith | 12 | Son | — | Pennsylvania |
| 69 | Robert Smith | 10 | Son | — | Pennsylvania |
| 70 | John Mchenry | 50 | Head | Laborer | Scotland |
| 71 | Jane Mchenry | 46 | Wife | — | Pennsylvania |
| 72 | William J Mchenry | 16 | Son | — | Pennsylvania |
| 73 | Samuel C Mchenry | 12 | Son | — | Pennsylvania |
| 74 | Henry K Jr Smith | 49 | Boarder | Laborer | Scotland |
| 75 | Samuel C Smith | 44 | Bro in law | Laborer | Pennsylvania |
| 76 | Duncan Johnson | 59 | Head | Laborer | Scotland |
| 77 | Agnes S Johnson | 51 | Wife | — | Scotland |
| 78 | Thomas Johnson | 25 | Son | Laborer | Pennsylvania |
| 79 | Margaret Johnson | 23 | Daughter | Clerk | Pennsylvania |
| 80 | Duncan S Johnson | 21 | Son | Laborer | Pennsylvania |
| 81 | Hershell N Johnson | 19 | Son | Laborer | Pennsylvania |
| 82 | Melbourne Johnson | 7 | Son | — | Pennsylvania |
| 83 | Rose M Johnson | 3 | Daughter | — | Pennsylvania |
| 84 | David B Eckels | 43 | Head | Laborer | Pennsylvania |
| 85 | Lily Eckels | 32 | Wife | — | Pennsylvania |
| 86 | Margaret G Eckels | 9 | Daughter | — | Pennsylvania |
| 87 | Agnes S Eckels | 8 | Daughter | — | Pennsylvania |
| 88 | Eliza J Eckels | 6 | Daughter | — | Pennsylvania |
| 89 | Duncan S Eckels | 5 | Son | — | Pennsylvania |
| 90 | Henry Eckels | 4 | Son | — | Pennsylvania |
| 91 | Robert B Eckels | 2 | Daughter | — | Pennsylvania |
| 92 | David D Eckels | 0 | Son | — | Pennsylvania |
| 93 | William Graham | 71 | Head | — | England |
| 94 | Samuel W Kunkle | 40 | Head | Laborer | West Virginia |
| 95 | Minnie M Kunkle | 36 | Wife | — | West Virginia |
| 96 | Gertrude S Kunkle | 14 | Daughter | — | Pennsylvania |
| 97 | George H Kunkle | 8 | Son | — | Pennsylvania |
| 98 | Hulda Graham | 19 | Niece | House Work | West Virginia |
| 99 | Charles L Berthold | 19 | Son in law | Laborer | Pennsylvania |
| 100 | Margaret R Berthold | 17 | Wife | — | West Virginia |
Pedigree Summary
Alexander
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)