RM
Robert Martin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Essex, New Jersey
Our Model Tree links this Robert Martin across the 1920, 1930 and 1940 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed), with identified parents Walter & Mabel — first a son (b.~1920), then head of a 7-person household.
Age 10
b. ~1920
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, New Jersey |
| Surname | Martin |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Newark City |
| Est. Birth Year | ~1920 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Martin | Daughter | — | 6 | ~1924 |
| Eleanor Martin | Daughter | — | 12 | ~1918 |
| Elizabeth Martin | Daughter | — | 1 | ~1929 |
| Walter Martin | Head | — | 34 | ~1896 |
| Robert Martin | Son | — | 10 | ~1920 |
| Walter Martin | Son | — | 4 | ~1926 |
| Mabel Martin | Spouse | — | 31 | ~1899 |
Census Appearances
1920
Essex, New …
Son, age
Essex, New Jersey · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Robert J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Son, age 10
Essex, New Jersey · implied b. ~1920 — 7 household members
| Surname | Martin |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Son, age 20
Essex-County, New Jersey · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martina |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Town of Bloomfield |
| Occupation | Bank Teller |
| Industry | Banking |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | H 4 |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Martin (~0.92 confidence) and mother Mabel Martin (~0.92 confidence) and mother Gertrude Martin (~0.92 confidence) and father Henry Martina (~0.92 confidence) and mother Bertha Martina (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Martin
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Mabel Martin
b. ~1899
Source mother
● Household
· direct · ~0.92
Mother
Gertrude Martin
b. ~1893
Source mother
● Household
· direct · ~0.92
Father
Henry Martina
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Bertha Martina
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Martin
Son · 1930 · age 10 · b. ~1920 · New Jersey
★ You are viewing this record
Sibling
Walter Martin
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Martin
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Martin
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Martin
Sibling · 1930 · age 12
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 — Essex, New Jersey
Open full size
1930 US Federal Census — Essex, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1338:0295)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Muraffka | 22 | Son | Toolmaker | New Jersey |
| 2 | Clara Muraffka | 20 | Daughter | Helper | New Jersey |
| 3 | Harry Muraffka | 17 | Son | Helper | New Jersey |
| 4 | Emily Muraffka | 13 | Daughter | — | New Jersey |
| 5 | Joseph Muraffka | 11 | Son | — | New Jersey |
| 6 | Walter Martin | 34 | Head | Fireman | New Jersey |
| 7 | Mabel Martin | 31 | Wife | — | New Jersey |
| 8 | Eleanor Martin | 12 | Daughter | — | New Jersey |
| 9 | Robert Martin THIS PERSON | 10 | Son | — | New Jersey |
| 10 | Evelyn Martin | 6 | Daughter | — | New Jersey |
| 11 | Walter Martin | 4 | Son | — | New Jersey |
| 12 | Elizabeth Martin | 1 | Daughter | — | New Jersey |
| 13 | Ana Hyatt | 57 | Head | Laundress | Switzerland |
| 14 | William H. Hyatt | 31 | Son | Laborer | New Jersey |
| 15 | Edward Slater | 35 | Head | Molder | Alabama |
| 16 | Lottie Slater | 26 | Wife | — | California |
| 17 | Mary Slater | 8 | Daughter | — | New Jersey |
| 18 | James Surratelli | 60 | Head | — | Italy |
| 19 | Antoinette Surratelli | 59 | Wife | — | Italy |
| 20 | Mary Surratelli | 24 | Daughter | Helper | New Jersey |
| 21 | Anna Surratelli | 21 | Daughter | Helper | New Jersey |
| 22 | William Surratelli | 18 | Son | Helper | New Jersey |
| 23 | Daniel Surratelli | 15 | Son | Clerk | New Jersey |
| 24 | Sam Souza | 28 | Head | Proprietor | Portugal |
| 25 | Florence Souza | 22 | Wife | — | Portugal |
| 26 | Fred Dugher | 51 | Head | Enamel Maker | New Jersey |
| 27 | Catherine Dugher | 49 | Wife | — | New Jersey |
| 28 | Helen Dugher | 25 | Daughter | Helper | New Jersey |
| 29 | Irene Dugher | 21 | Daughter | Helper | New Jersey |
| 30 | Gertrude Dugher | 18 | Daughter | Operator | New Jersey |
| 31 | Florence Dugher | 15 | Daughter | — | New Jersey |
| 32 | Frederick Dugher | 12 | Son | — | New Jersey |
| 33 | Harry Reilles | 31 | Head | Proprietor | Poland |
| 34 | Lena Reilles | 31 | Wife | — | Czechoslovakia |
| 35 | Leonard Reilles | 24 | Son | Laborer | New York |
| 36 | Morton Reilles | 21 | Son | Clerk | Czechoslovakia |
| 37 | Ruth Reilles | 19 | Daughter | Teacher | New York |
| 38 | Julia Reilles | 15 | Daughter | — | New Jersey |
| 39 | Alexander Reilles | 12 | Son | — | New Jersey |
| 40 | Frank S. Rehm | 52 | Head | Painter | New Jersey |
| 41 | Mabel Rehm | 45 | Wife | — | New Jersey |
| 42 | Robert Rehm | 19 | Son | Stenographer | New Jersey |
| 43 | Bella Rehm | 17 | Daughter | Bookkeeper | New Jersey |
| 44 | William Rehm | 14 | Son | — | New Jersey |
| 45 | Thomas Rehm | 10 | Son | — | New Jersey |
| 46 | Celia Rehm | 6 | Daughter | — | New Jersey |
| 47 | John Rehm | 5 | Son | — | New Jersey |
| 48 | Carlos Soares | 30 | Head | Laborer | Portugal |
| 49 | Jessie J. Soares | 17 | Wife | Watchmaker | Portugal |
| 50 | Benedict Soares | 44 | Boarder | Laborer | Portugal |
Pedigree Summary
Robert + 4 siblings
Gen 1 · 5 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)