RM
Robert Marshall — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Robert Marshall across the 1920, 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & Susan — first a son (b.~1911), then head of a 9-person household.
Age 19
b. ~1911
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Marshall |
| Given Name | Robert A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Packer |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Packer |
| Township / Ward | City Of Pittsburgh |
| 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Margaret Marshall | Daughter | — | 21 | ~1909 |
| Dorothy Marshall | Daughter | — | 13 | ~1917 |
| Helen Marshall | Daughter | — | 12 | ~1918 |
| Genevieve Marshall | Daughter | — | 18 | ~1912 |
| Dennis Marshall | Head | — | 52 | ~1878 |
| Robert Marshall | Son | — | 19 | ~1911 |
| James Marshall | Son | — | 16 | ~1914 |
| Francis Marshall | Son | — | 10 | ~1920 |
| Helen Marshall | Spouse | — | 46 | ~1884 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 8
Allegheny, Pennsylvania · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshall |
| Given Name | Robert J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 19
Allegheny, Pennsylvania · implied b. ~1911 — 9 household members
| Surname | Marshall |
| Given Name | Robert A |
| 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 | Packer |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 28
Allegheny-County, Pennsylvania · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Marshal |
| Given Name | Robert B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh city |
| 1935 Residence (County) | Allegheny |
| Occupation | Electrician |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 358 |
| Highest Grade | H 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 Robert Marshall across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Marshall (~0.81 confidence) and mother Susan Marshall (~0.81 confidence) and father Robert Marshal (~0.92 confidence) and father Dennis Marshall (~0.92 confidence) and mother Mary Marshal (~0.92 confidence) and mother Helen Marshall (~0.92 confidence) and mother Sarah Marshall (~0.92 confidence). The pedigree spans 2 generations with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.89
Father
John Marshall
b. ~1841
Source father>father
● Household
· direct · ~0.81
Mother
Susan Marshall
b. ~1842
Source father>mother
● Household
· direct · ~0.81
Father
Robert Marshal
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Dennis Marshall
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Mary Marshal
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Helen Marshall
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Sarah Marshall
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Marshall
Son · 1930 · age 19 · b. ~1911 · Pennsylvania
★ You are viewing this record
Sibling
Francis Marshall
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Marshall
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Marshall
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Marshall
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Marshall
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Marshall
Sibling · 1930 · age 21
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 — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1983:0433)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dennis J Marshall | 52 | Head | Iron Worker | Pennsylvania |
| 2 | Helen C Marshall | 46 | Wife | — | Canada-English |
| 3 | Margaret M Marshall | 21 | Daughter | — | Pennsylvania |
| 4 | Robert A Marshall THIS PERSON | 19 | Son | Packer | Pennsylvania |
| 5 | Genevieve R Marshall | 18 | Daughter | Packer | Pennsylvania |
| 6 | James J Marshall | 16 | Son | — | Pennsylvania |
| 7 | Dorothy J Marshall | 13 | Daughter | — | Pennsylvania |
| 8 | Helen J Marshall | 12 | Daughter | — | Pennsylvania |
| 9 | Francis M Marshall | 10 | Son | — | Pennsylvania |
| 10 | Richard Shallenger | 27 | Head | — | Pennsylvania |
| 11 | Edith L Shallenger | 26 | Wife | Manager | Pennsylvania |
| 12 | William A Shallenger | 2 | Son | — | Pennsylvania |
| 13 | Maurice L Mack | 60 | Head | Pipe Fitter | Pennsylvania |
| 14 | Lawrence J Mack | 33 | Son | Salesman | Pennsylvania |
| 15 | Cecelia M Mack | 27 | Daughter | — | Pennsylvania |
| 16 | Maurice J Mack | 23 | Son | Manager | Pennsylvania |
| 17 | James B Morris | 32 | Head | Telephone Op | Pennsylvania |
| 18 | Mary E Morris | 27 | Sister | Stenographer | Pennsylvania |
| 19 | Agnes C Morris | 25 | Sister | Stenographer | Pennsylvania |
| 20 | John J Dorn | 52 | Head | Policeman | Pennsylvania |
| 21 | Mary E Dorn | 52 | Wife | — | Germany |
| 22 | Sophie B Dorn | 28 | Daughter | Bookkeeper | Pennsylvania |
| 23 | Emma M Dorn | 26 | Daughter | Typist | Pennsylvania |
| 24 | John J Dorn | 24 | Son | Druggist | Pennsylvania |
| 25 | Elizabeth M Dorn | 22 | Daughter | — | Pennsylvania |
| 26 | Mary E Dorn | 15 | Daughter | Typist | Pennsylvania |
| 27 | Margaret L Dorn | 14 | Daughter | — | Pennsylvania |
| 28 | William C Dorn | 12 | Son | — | Pennsylvania |
| 29 | Janet M Dorn | 10 | Daughter | — | Pennsylvania |
| 30 | Louis J Dorn | 8 | Son | — | Pennsylvania |
| 31 | Gerard J Dorn | 7 | Son | — | Pennsylvania |
| 32 | — | None | — | — | — |
| 33 | — | None | — | — | — |
| 34 | — | None | — | — | — |
| 35 | — | None | — | — | — |
| 36 | — | None | — | — | — |
| 37 | — | None | — | — | — |
| 38 | — | None | — | — | — |
| 39 | — | None | — | — | — |
| 40 | — | None | — | — | — |
| 41 | — | None | — | — | — |
| 42 | — | None | — | — | — |
| 43 | — | None | — | — | — |
| 44 | — | None | — | — | — |
| 45 | — | None | — | — | — |
| 46 | — | None | — | — | — |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
Related Census Records
Pedigree Summary
Robert + 6 siblings
Gen 1 · 5 parents
~0.92
Gen 2 · 2 grandparents
~0.81
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)