RP
Robert Porter — 1930 US Census Record
Model Tree available1930 United States Federal Census · Schuylkill, Pennsylvania
Our Model Tree links this Robert Porter across the 1910, 1920 and 1930 US Censuses in Schuylkill, Pennsylvania (XGBoost, ~Confirmed), with identified parents Margaret & Margaret — first a son (b.~1905), then head of a 3-person household.
Age 25
b. ~1905
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Schuylkill, Pennsylvania |
| Surname | Porter |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Brick layer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Brick Layer |
| Township / Ward | Pottsville City |
| Est. Birth Year | ~1905 |
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 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Florence Porter | Daughter | — | 16 | ~1914 |
| Margaret Porter | Head | — | 52 | ~1878 |
| Robert Porter | Son | — | 25 | ~1905 |
Census Appearances
1910
Schuylkill, Pennsylvania
Son, age 4
Schuylkill, Pennsylvania · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Porter |
| Given Name | Robert Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Schuylkill, Pennsylvania
Son, age 14
Schuylkill, Pennsylvania · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Porter |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Errand Boy |
| Industry | Candy Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Schuylkill, Pennsylvania
Son, age 25
Schuylkill, Pennsylvania · implied b. ~1905 — 3 household members
| Surname | Porter |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Brick layer |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Robert Porter across 3 US Census years (1910, 1920 and 1930) in Schuylkill, Pennsylvania, using XGBoost record linkage. Identified parents: mother Margaret Porter (~0.92 confidence) and mother Margaret Porter (~0.92 confidence) and father Robert Porter (~0.92 confidence) and mother Margaret Porter (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Porter
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Margaret Porter
b. ~1879
Source mother
● Household
· direct · ~0.92
Father
Robert Porter
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Margaret Porter
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Porter
Son · 1930 · age 25 · b. ~1905 · Pennsylvania
★ You are viewing this record
Sibling
Florence Porter
Sibling · 1930 · age 16
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
1930 US Federal Census — Schuylkill, Pennsylvania
Open full size
1930 US Federal Census — Schuylkill, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2146:0744)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Marburger | 24 | Wife-H | — | Pennsylvania |
| 2 | Otto Levine | 53 | Head | — | Pennsylvania |
| 3 | Elizabeth Levine | 52 | Wife-H | Laborer | Pennsylvania |
| 4 | Elizabeth Levine | 18 | Daughter | Clerk | Pennsylvania |
| 5 | Earl C Retterman | 31 | Head | Fireman | Pennsylvania |
| 6 | Marcella Retterman | 30 | Wife-H | — | Pennsylvania |
| 7 | Lois Retterman | 12 | Daughter | — | Pennsylvania |
| 8 | Alma Retterman | 12 | Daughter | — | Pennsylvania |
| 9 | Alice Retterman | 12 | Daughter | — | Pennsylvania |
| 10 | Alvin Retterman | 8 | Son | — | Pennsylvania |
| 11 | Russell Retterman | 7 | Son | — | Pennsylvania |
| 12 | Donald Retterman | 5 | Son | — | Pennsylvania |
| 13 | Jessie Hill | 18 | Sister-in-law | Operator | Pennsylvania |
| 14 | Joseph Schum | 30 | Head | Laborer | Pennsylvania |
| 15 | Ethel Schum | 28 | Wife-H | — | Pennsylvania |
| 16 | William Schum | 6 | Son | — | Pennsylvania |
| 17 | Theresa Schum | 4 | Daughter | — | Pennsylvania |
| 18 | Francis Schum | 2 | Son | — | Pennsylvania |
| 19 | Mary Schum | 1 | Daughter | — | Pennsylvania |
| 20 | Francis Porter | 27 | Head | Laborer | Pennsylvania |
| 21 | Gertrude Porter | 28 | Wife-H | — | Pennsylvania |
| 22 | Elizabeth Porter | 4 | Daughter | — | Pennsylvania |
| 23 | Robert Porter | 2 | Son | — | Pennsylvania |
| 24 | William Snyder | 30 | Head | Miner | Pennsylvania |
| 25 | Ida Snyder | 25 | Wife-H | — | Pennsylvania |
| 26 | Robert Snyder | 2 | Son | — | Pennsylvania |
| 27 | Virginia Snyder | 1 | Daughter | — | Pennsylvania |
| 28 | Margaret Moran | 53 | Head | Laundress | Pennsylvania |
| 29 | Thomas Moran | 29 | Son | — | Pennsylvania |
| 30 | Helen Moran | 33 | Daughter | — | Pennsylvania |
| 31 | William Moran | 28 | Son | — | Pennsylvania |
| 32 | Keating Cahall | 42 | Head | Painter | Maryland |
| 33 | Florence Cahall | 31 | Wife-H | — | Pennsylvania |
| 34 | Clifford Cahall | 12 | Son | — | Pennsylvania |
| 35 | William Cahall | 7 | Son | — | Maryland |
| 36 | Florence Cahall | 6 | Daughter | — | Pennsylvania |
| 37 | Lewis Cahall | 4 | Son | — | Pennsylvania |
| 38 | Elizabeth Cahall | 3 | Daughter | — | Pennsylvania |
| 39 | Edward Cahall | 2 | Son | — | Pennsylvania |
| 40 | Margaret Porter | 52 | Head | — | Pennsylvania |
| 41 | Robert Porter THIS PERSON | 25 | Son | Brick Layer | Pennsylvania |
| 42 | Florence Porter | 16 | Daughter | — | Pennsylvania |
| 43 | Catherine Maholski | 44 | Head | — | Germany |
| 44 | Clement Maholski | 25 | Son | Miner | Pennsylvania |
| 45 | Helen Maholski | 24 | Daughter | Operator | Pennsylvania |
| 46 | Clara Maholski | 21 | Daughter | Operator | Pennsylvania |
| 47 | Theresa Maholski | 20 | Daughter | Operator | Pennsylvania |
| 48 | Anthony Maholski | 18 | Son | Operator | Pennsylvania |
| 49 | Joseph Maholski | 16 | Daughter | Operator | Pennsylvania |
| 50 | Bertie Maholski | 14 | Daughter | — | Pennsylvania |
Pedigree Summary
Robert + 1 sibling
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 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)