JH
Joseph Hamilton — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rockland-County, New York
Our Model Tree links this Joseph Hamilton across the 1920, 1930 and 1940 US Censuses in Rockland-County, New York (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rockland-County, New York |
| Surname | Hamilton |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | HAVERSTRAW |
| 1935 Residence (County) | ROCKLAND |
| Additional Details | |
| Highest Grade | S 2 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Haverstraw |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Mary Hamilton | Spouse | — | 58 | ~1882 |
| Joseph Hamilton | Son | — | 21 | ~1919 |
| James Hamilton | Head | — | 59 | ~1881 |
| Margaret Hamilton | Daughter | — | 26 | ~1914 |
| Anastasia Hamilton | Daughter | — | 29 | ~1911 |
Census Appearances
1920
Rockland, New …
Son, age 1
Rockland, New York · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Rockland, New …
Son, age 11
Rockland, New York · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Rockland-County, New …
Son, age 21
Rockland-County, New York · implied b. ~1919 — 5 household members
| Surname | Hamilton |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | HAVERSTRAW |
| 1935 Residence (County) | ROCKLAND |
| Highest Grade | S 2 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Joseph Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Hamilton (~0.92 confidence) and father James Hamilton (~0.92 confidence) and mother Mary Hamilton (~0.92 confidence) and mother Mary Hamilton (~0.92 confidence) and mother Mary Hamilton (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Hamilton
b. ~1881
Source father
● Household
· direct · ~0.92
Father
James Hamilton
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Mary Hamilton
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Mary Hamilton
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Mary Hamilton
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Hamilton
Son · 1940 · age 21 · b. ~1919 · New York
★ You are viewing this record
Sibling
Margaret Hamilton
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anastasia Hamilton
Sibling · 1940 · age 29
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
1940 US Federal Census — Rockland-County, New York
Open full size
1940 US Federal Census — Rockland-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02766-00425)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bernard Conklin | 15 | Son | — | New York |
| 42 | Marie Conklin | 12 | Daughter | — | New York |
| 43 | Eugene Conklin | 6 | Son | — | New York |
| 44 | Frank Conklin | 3 | Son | — | New York |
| 45 | Patricia Conklin | 1 | Daughter | — | New York |
| 46 | Michael Metro | 42 | Head | Laborer | New York |
| 47 | Anna Banko | 32 | Sister | — | New York |
| 48 | Marie Banko | 16 | Neice | — | New York |
| 49 | Dorothy Banko | 14 | Neice | — | New York |
| 50 | Agustine Gizzi | 40 | Head | Laborer | Italy |
| 51 | Molly Gizzi | 34 | Wife | — | New York |
| 52 | Anna Nitko | 44 | Head | — | New York |
| 53 | Anna Nitko | 23 | Daughter | — | New York |
| 54 | Thomas Nitko | 20 | Son | Machine Oper | New York |
| 55 | Frank Nitko | 18 | Son | Laborer | New York |
| 56 | Helen Nitko | 16 | Daughter | Warper | New York |
| 57 | William Nitko | 14 | Son | — | New York |
| 58 | Fred Nitko | 10 | Son | — | New York |
| 59 | Rita Nitko | 7 | Daughter | — | New York |
| 60 | Margaret Nitko | 7 | Daughter | — | New York |
| 61 | Andrew Kolar | 65 | Head | — | Austria |
| 62 | Susan Kolar | 65 | Wife | — | Austria |
| 63 | Mary Kolar | 32 | Daughter | Floor Girl | New York |
| 64 | Annee Coula | 72 | Head | — | Austria |
| 65 | Annem Coula | 40 | Daughter | Sewing Machine Operator | New York |
| 66 | Andrew Coula | 28 | Son | Laborer | New York |
| 67 | James Hamilton | 59 | Head | Ticket Seller | New York |
| 68 | Mary Hamilton | 58 | Wife | — | New York |
| 69 | Anastasia Hamilton | 29 | Daughter | Stenographer | New York |
| 70 | Margaret Hamilton | 26 | Daughter | — | New York |
| 71 | Joseph Hamilton THIS PERSON | 21 | Son | — | New York |
| 72 | Victor Horan | 37 | Head | Janitor | New York |
| 73 | Helen Horan | 38 | Wife | — | New York |
| 74 | Mary Ann Horan | 4 | Daughter | — | New York |
| 75 | Dennis Lyons | 67 | Head | Laborer | New York |
| 76 | Jane Lyons | 57 | Wife | — | Irish Free State |
| 77 | Margaret Lyons | 30 | Daughter | — | New York |
| 78 | Anne Lyons | 28 | Daughter | Clerk | New York |
| 79 | Eileen Hanrahan | 13 | Lodger | — | New York |
| 80 | George Schaper | 40 | Head | Chain-Store Manager | New York |
Pedigree Summary
Joseph + 2 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 1940 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)