MH
Mary Hamilton — 1930 US Census Record
Model Tree available1930 United States Federal Census · Essex, New Jersey
Our Model Tree links this Mary Hamilton across the 1920, 1930 and 1940 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed), with identified parents Robert & Ruben — first a daughter (b.~1909), then head of a 7-person household.
Age 21
b. ~1909
Female
Daughter
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, New Jersey |
| Surname | Hamilton |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Stenographer |
| Township / Ward | West Orange Town |
| Est. Birth Year | ~1909 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Viola Hamilton | Daughter | — | 28 | ~1902 |
| Katherine Hamilton | Daughter | — | 18 | ~1912 |
| Mary Hamilton | Daughter | — | 21 | ~1909 |
| Robert Hamilton | Head | — | 53 | ~1877 |
| Viola Hamilton | Other | — | 51 | ~1879 |
| James Hamilton | Son | — | 23 | ~1907 |
| Elizabeth Hamilton | Son | — | 25 | ~1905 |
Census Appearances
1920
Essex, New …
Daughter, age 11
Essex, New Jersey · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Daughter, age 21
Essex, New Jersey · implied b. ~1909 — 7 household members
| Surname | Hamilton |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Stenographer |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
Spouse, age 31
Essex-County, New Jersey · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| Highest Grade | No 8 |
| 1935 Residence | New Jersey |
| 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 Mary Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Hamilton (~0.92 confidence) and father Ruben Hamilton (~0.92 confidence) and mother Helen Hamilton (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Hamilton
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Ruben Hamilton
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Helen Hamilton
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Hamilton
Daughter · 1930 · age 21 · b. ~1909 · New Jersey
★ You are viewing this record
Sibling
Katherine Hamilton
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hamilton
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Hamilton
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Hamilton
Sibling · 1930 · age 25
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:newjerseycensus00reel1344:1110)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Segreto | 39 | Wife-H | — | New Jersey |
| 2 | Antoinette Segreto | 20 | Daughter | File Clerk | New Jersey |
| 3 | Rose Segreto | 19 | Daughter | File Clerk | New Jersey |
| 4 | Vinnie Segreto | 17 | Daughter | Factory Worker | New Jersey |
| 5 | Anthony P Segreto | 14 | Son | — | New Jersey |
| 6 | Anna M Segreto | 10 | Daughter | — | New Jersey |
| 7 | Dolores M Segreto | 3 | Daughter | — | New Jersey |
| 8 | Guido Rissolo | 22 | Head | Carpenter | New Jersey |
| 9 | Gertrude S Rissolo | 20 | Wife-H | — | Lithuania |
| 10 | Herbert Williams | 44 | Head | Carpenter | England |
| 11 | Ellen E Williams | 44 | Wife-H | — | England |
| 12 | Lawrence M Martucci | 48 | Head | Contractor | New Jersey |
| 13 | Florence L Martucci | 42 | Wife-H | — | Italy |
| 14 | Alice V Martucci | 21 | Daughter | File Clerk | New Jersey |
| 15 | Dorothy R Martucci | 19 | Daughter | Mother'S Helper | New Jersey |
| 16 | James L Martucci | 17 | Son | Mason'S Helper | New Jersey |
| 17 | Viola M Martucci | 15 | Daughter | — | New Jersey |
| 18 | Frederick S Martucci | 11 | Son | — | New Jersey |
| 19 | Lawrence R Martucci | 7 | Son | — | New Jersey |
| 20 | Audrey M Martucci | 5 | Daughter | — | New Jersey |
| 21 | James Jubinski | 23 | Head | Auto Mechanic | New York |
| 22 | Vera Jubinski | 22 | Wife-H | Operator | New Jersey |
| 23 | Benjamin Bernacker | 73 | Boarder | Carpenter | New York |
| 24 | Michael Martucci | 41 | Head | President | New Jersey |
| 25 | Mary Martucci | 42 | Wife-H | — | New Jersey |
| 26 | Michael J Martucci | 19 | Son | Mail Clerk | New Jersey |
| 27 | John J Martucci | 4 | Son | — | New Jersey |
| 28 | Robert L Hamilton | 53 | Head | Clerk | New Jersey |
| 29 | Viola F Hamilton | 51 | Wife-H | — | New Jersey |
| 30 | Viola Hamilton | 28 | Daughter | Typist | New Jersey |
| 31 | Elizabeth R Hamilton | 25 | Son | Bus Driver | New Jersey |
| 32 | James P Hamilton | 23 | Son | Driver | New Jersey |
| 33 | Mary E Hamilton THIS PERSON | 21 | Daughter | Stenographer | New Jersey |
| 34 | Katherine E Hamilton | 18 | Daughter | Stenographer | New Jersey |
| 35 | Charles S Chapman | 30 | Head | Salesman | New Jersey |
| 36 | Beatrice F Chapman | 18 | Wife-H | — | New Jersey |
| 37 | John W Hattersley | 34 | Head | Salesman | Virginia |
| 38 | Mary E Hattersley | 33 | Wife-H | — | New Jersey |
| 39 | Lawrence S Hattersley | 7 | Son | — | New Jersey |
| 40 | John Hattersley | 6 | Son | — | New Jersey |
| 41 | Russell W Luma | 37 | Head | Chiropractor | Illinois |
| 42 | Madeline E Luma | 25 | Wife-H | — | New York |
| 43 | Doris M Luma | 7 | Daughter | — | New Jersey |
| 44 | Warren R Luma | 3 | Son | — | New Jersey |
| 45 | Emil Olson | 47 | Head | Dyer | Minnesota |
| 46 | Victoria M Olson | 43 | Wife-H | — | Canada-French |
| 47 | Peter Olson | 77 | Father | — | Sweden |
| 48 | Kenneth E Waiter | 35 | Head | Engineer | Pennsylvania |
| 49 | Betty H Waiter | 22 | Wife-H | — | New York |
| 50 | Betty Jane Waiter | 3 | Daughter | — | Pennsylvania |
Related Census Records
Pedigree Summary
Mary + 4 siblings
Gen 1 · 3 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)