JH
James Hamilton — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this James Hamilton across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 3-person household.
Age 75
b. ~1865
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Hamilton |
| Given Name | James M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 75 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | deputy sheriff |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | No 8 |
| 1935 Residence | Penn. |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Deputy Sheriff |
| Township / Ward | Middletown Twp |
| Est. Birth Year | ~1865 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Emma Hennes | Daughter | — | 35 | ~1905 |
| James Hamilton | Head | — | 75 | ~1865 |
| Isabella Hamilton | Spouse | — | 70 | ~1870 |
Census Appearances
1920
Delaware, Pennsylvania
Head, age 55
Delaware, Pennsylvania · implied b. ~1865 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | James M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Ireland |
| Occupation | Manufacturer |
| Industry | Mill Work |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Head, age 65
Delaware, Pennsylvania · implied b. ~1865 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | James M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Northern Ireland |
| Occupation | Manufacturer |
| Industry | Wood Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Head, age 75
Delaware-County, Pennsylvania · implied b. ~1865 — 3 household members
| Surname | Hamilton |
| Given Name | James M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 75 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Delaware |
| Occupation | deputy sheriff |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | No 8 |
| 1935 Residence | Penn. |
| 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 James Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Hamilton
Head · 1940 · age 75 · b. ~1865 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03494-00020)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James M. Hamilton THIS PERSON | 75 | Head | Deputy Sheriff | Pennsylvania |
| 2 | Isabella V. Hamilton | 70 | Wife | — | Pennsylvania |
| 3 | Emma E. Hennes | 35 | Daughter | — | Pennsylvania |
| 4 | George Rightmyer | 35 | Head | Pipe Fitter And Builder | Pennsylvania |
| 5 | Elizabeth S. Rightmyer | 34 | Wife | — | Pennsylvania |
| 6 | George J. Rightmyer | 12 | Son | — | Pennsylvania |
| 7 | Jack Rightmyer | 11 | Son | — | Pennsylvania |
| 8 | Helen Rightmyer | 9 | Daughter | — | Pennsylvania |
| 9 | Mary G. Hadfield | 65 | Mother-in-law | — | Pennsylvania |
| 10 | John J. Hadfield | 64 | Uncle-in-law | Watchman | Pennsylvania |
| 11 | Philip L. Carter | 45 | Head | Chemist | Maine |
| 12 | Gertrude S. Carter | 41 | Wife | — | Maine |
| 13 | Philip Jr. Carter | 10 | Son | — | Pennsylvania |
| 14 | James Carter | 5 | Son | — | Pennsylvania |
| 15 | Stephen Carter | 3 | Son | — | Pennsylvania |
| 16 | Mary Carter | 80 | Mother | — | Maine |
| 17 | Charles D. Gray | 53 | Head | Butcher | Pennsylvania |
| 18 | Rosella Gray | 53 | Wife | — | Pennsylvania |
| 19 | Alexander Gibson | 64 | Head | Broker | Scotland |
| 20 | Harriett L. Gibson | 64 | Wife | — | Texas |
| 21 | Ernest Henry | 45 | Head | Machine Operator | Pennsylvania |
| 22 | Zetta D. Henry | 46 | Wife | — | Delaware |
| 23 | Ernest V. Henry | 20 | Son | News Market | Pennsylvania |
| 24 | Nelson Henry | 20 | Son | — | Pennsylvania |
| 25 | Dorothy Henry | 9 | Daughter | — | Pennsylvania |
| 26 | Charles Chrystle | 36 | Head | Carpenter | Pennsylvania |
| 27 | Carol Chrystle | 10 | Daughter | — | Pennsylvania |
| 28 | Lois Blanche Chrystle | 60 | Housekeeper | Housekeeper | Virginia |
| 29 | William Mellot | 30 | Head | Mechanic | New York |
| 30 | Elizabeth Mellot | 33 | Wife | — | Pennsylvania |
| 31 | Marjorie Mellot | 8 | Daughter | — | Pennsylvania |
| 32 | Marlene Mellot | 3 | Daughter | — | Pennsylvania |
| 33 | Nathan Tobias | 59 | Head | Vocational Teacher | Pennsylvania |
| 34 | Cora N. Tobias | 63 | Wife | — | Pennsylvania |
| 35 | Patrick Mchale | 43 | Head | Ship Fitter | Eire |
| 36 | Anna Mchale | 43 | Wife | — | Eire |
| 37 | Anne Mchale | 18 | Daughter | — | Pennsylvania |
| 38 | Madeline Mchale | 16 | Daughter | — | Pennsylvania |
| 39 | Patrick Mchale | 13 | Son | — | Pennsylvania |
| 40 | Edward Mchale | 10 | Son | — | Pennsylvania |
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)