HH
Harry Hamilton — 1940 US Census Record
Model Tree available1940 United States Federal Census · New-Castle-County, Delaware
Our Model Tree links this Harry Hamilton across the 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed), with identified parents Harry & Elizabeth — first a son (b.~1914), then head of a 6-person household.
Age 26
b. ~1914
Male
Son
Born: Delaware
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | New-Castle-County, Delaware |
| Surname | Hamilton |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington |
| 1935 Residence (County) | New Castle |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Township / Ward | Wilmington |
| Est. Birth Year | ~1914 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Hamilton | Head | — | 62 | ~1878 |
| Johnson Dorsey | Other | — | 9 | ~1931 |
| Harry Hamilton | Son | — | 26 | ~1914 |
| Phyllis Dorsey | Other | — | 3 | ~1937 |
| Mary Hamilton | Spouse | — | 51 | ~1889 |
| Helen Dorsey | Daughter | — | 20 | ~1920 |
Census Appearances
1920
New Castle, …
Son, age 6
New Castle, Delaware · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
New Castle, …
Son, age 16
New Castle, Delaware · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Clerk |
| Industry | Shoe Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
New-Castle-County, Delaware
Son, age 26
New-Castle-County, Delaware · implied b. ~1914 — 6 household members
| Surname | Hamilton |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Delaware |
| 1935 Residence (City) | Wilmington |
| 1935 Residence (County) | New Castle |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 Harry Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Hamilton (~0.92 confidence) and mother Elizabeth Hamilton (~0.92 confidence) and mother Mary Hamilton (~0.92 confidence) and mother Mary Hamilton (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Hamilton
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Hamilton
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Mary Hamilton
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Mary Hamilton
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Hamilton
Son · 1940 · age 26 · b. ~1914 · Delaware
★ You are viewing this record
Sibling
Helen Dorsey
Sibling · 1940 · age 20
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 — New-Castle-County, Delaware
Open full size
1940 US Federal Census — New-Castle-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00552-00068)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Angelo Ferrara | 27 | Head | Barber | Delaware |
| 2 | Frank Ferrara | 18 | Son | — | Delaware |
| 3 | Louis Triller | 24 | Head | Driver | New Jersey |
| 4 | Elizabeth Triller | 23 | Wife | — | Maryland |
| 5 | John Triller | 4 | Son | — | New Jersey |
| 6 | Edward Cook | 60 | Head | Watchman | Pennsylvania |
| 7 | Ralph Donofrio | 62 | Head | Staker | Italy |
| 8 | Annette Donofrio | 57 | Wife | — | Italy |
| 9 | Rose Donofrio | 38 | Daughter | Dry Cleaner | Delaware |
| 10 | Louis J. Donofrio | 29 | Head | Salesman | Delaware |
| 11 | Edith Donofrio | 27 | Wife | — | Delaware |
| 12 | Lorraine Donofrio | 2 | Daughter | — | Delaware |
| 13 | Francis O'Brien | 34 | Head | Staker | Delaware |
| 14 | Florence O'Brien | 31 | Wife | — | New Jersey |
| 15 | Francis Jr. O'Brien | 14 | Son | — | Delaware |
| 16 | John O'Brien | 13 | Son | — | Delaware |
| 17 | Marie O'Brien | 11 | Daughter | — | Delaware |
| 18 | John O'Brien | 42 | Brother-in-law | Leather Worker | Delaware |
| 19 | Harry W. Hamilton | 62 | Head | Molder | Delaware |
| 20 | Mary Hamilton | 51 | Wife | — | Delaware |
| 21 | Harry Hamilton THIS PERSON | 26 | Son | — | Delaware |
| 22 | Helen Dorsey | 20 | Daughter | Sprayer | Delaware |
| 23 | Phyllis Dorsey | 3 | Granddaughter | — | Delaware |
| 24 | Johnson Joan Dorsey | 9 | Niece | — | Delaware |
| 25 | Anna S. Cratty | 63 | Head | Teacher | Delaware |
| 26 | Lela Gray | 55 | Head | Saleslady | Penna |
| 27 | Charles Yeckel | 80 | Head | — | Germany |
| 28 | Fred Hurlebaus | 35 | Lodger | Laborer | Germany |
| 29 | Myrtle Paulman | 36 | Head | Machine Operator | Maryland |
| 30 | George Paulman | 15 | Son | — | Delaware |
| 31 | James Paulman | 12 | Son | — | Delaware |
| 32 | Vito Trotter | 46 | Head | Laborer | Italy |
| 33 | Nancy Trotter | 42 | Wife | — | Italy |
| 34 | Louise Trotter | 24 | Daughter | Presser | Delaware |
| 35 | James Trotter | 19 | Son | Laborer | Delaware |
| 36 | Michael Trotter | 38 | Son | Mechanic Helper | Delaware |
| 37 | William Wright | 33 | Head | Laborer | Delaware |
| 38 | Elizabeth Wright | 30 | Wife | — | Delaware |
| 39 | Anna Wright | 15 | Daughter | — | Delaware |
| 40 | Elizabeth Wright | 10 | Daughter | — | Delaware |
Related Census Records
Pedigree Summary
Harry + 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 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)