JH
James Hamilton — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charles-County, Maryland
Our Model Tree links this James Hamilton across the 1930 and 1940 US Censuses in Charles-County, Maryland (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 12-person household.
Age 16
b. ~1924
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charles-County, Maryland |
| Surname | Hamilton |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Friendly |
| 1935 Residence (County) | Prince George |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Md. |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farmer |
| Township / Ward | White Plains |
| Est. Birth Year | ~1924 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Bertha Hamilton | Daughter | — | 4 | ~1936 |
| Emma Hamilton | Daughter | — | 12 | ~1928 |
| Edna Hamilton | Daughter | — | 8 | ~1932 |
| Velitta Hamilton | Daughter | — | 7 | ~1933 |
| Leroy Hamilton | Head | — | 51 | ~1889 |
| George Hamilton | Son | — | 22 | ~1918 |
| James Hamilton | Son | — | 16 | ~1924 |
| Lewis Hamilton | Son | — | 19 | ~1921 |
| Edward Hamilton | Son | — | 24 | ~1916 |
| Wallace Hamilton | Son | — | 18 | ~1922 |
| Herman Hamilton | Son | — | 10 | ~1930 |
| Anand Hamilton | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Charles, Maryland
Son, age 6
Charles, Maryland · implied b. ~1924 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Charles-County, Maryland
Son, age 16
Charles-County, Maryland · implied b. ~1924 — 12 household members
| Surname | Hamilton |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Friendly |
| 1935 Residence (County) | Prince George |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Md. |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Hamilton
Son · 1940 · age 16 · b. ~1924 · Maryland
★ You are viewing this record
Sibling
Velitta Hamilton
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Hamilton
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Hamilton
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Hamilton
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wallace Hamilton
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herman Hamilton
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Hamilton
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Hamilton
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Hamilton
Sibling · 1940 · age 22
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 — Charles-County, Maryland
Open full size
1940 US Federal Census — Charles-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01546-00242)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dudley Fenwick | 34 | Head | Laborer | Maryland |
| 2 | Carrie Fenwick | 25 | Wife | Washerwoman | Maryland |
| 3 | John Fenwick | 12 | Son | — | Maryland |
| 4 | Edward Fenwick | 10 | Son | — | Maryland |
| 5 | Harold Fenwick | 9 | Son | — | Maryland |
| 6 | Delores Fenwick | 6 | Daughter | — | Maryland |
| 7 | Lawrence Fenwick | 2 | Son | — | Maryland |
| 8 | Ella Woodbury | 67 | Head | — | Maryland |
| 9 | Roosevelt Bruce | 34 | Son | Laborer | Maryland |
| 10 | Charles France | 22 | Grandson | Laborer | Maryland |
| 11 | Joseph France | 17 | Grandson | — | Maryland |
| 12 | Emma France | 16 | Granddaughter | — | Maryland |
| 13 | Priscilla France | 13 | Granddaughter | — | Maryland |
| 14 | Mary Marshall | 21 | Daughter | — | Maryland |
| 15 | Joseph H. Marshall | 1 | Grandson | — | Maryland |
| 16 | Jerome France | 9 | Grandson | — | Maryland |
| 17 | De Sales France | 5 | Grandson | — | Maryland |
| 18 | Rufus Pickeral | 47 | Head | Carpenter | Maryland |
| 19 | Mary M. Pickeral | 40 | Wife | — | Maryland |
| 20 | Wallace Pickeral | 23 | Son | Laborer | Maryland |
| 21 | Leon Pickeral | 20 | Son | Helper | Maryland |
| 22 | Dorothy Pickeral | 12 | Daughter | — | Maryland |
| 23 | Mcgruder Adams | 40 | Head | Carpenter | Maryland |
| 24 | Edna Adams | 37 | Wife | — | Maryland |
| 25 | Louis Adams | 17 | Son | — | Maryland |
| 26 | Esther Adams | 15 | Daughter | — | Maryland |
| 27 | Russell Adams | 13 | Son | — | Maryland |
| 28 | Purcell Adams | 10 | Son | — | Maryland |
| 29 | Leroy Hamilton | 51 | Head | Farmer | Maryland |
| 30 | Anand Hamilton | 49 | Wife | — | Maryland |
| 31 | Edward Hamilton | 24 | Son | Laborer | Maryland |
| 32 | George Hamilton | 22 | Son | Farmer | Maryland |
| 33 | Lewis Hamilton | 19 | Son | Laborer | Maryland |
| 34 | Wallace Hamilton | 18 | Son | Farmer | Maryland |
| 35 | James Hamilton THIS PERSON | 16 | Son | Farmer | Maryland |
| 36 | Emma Hamilton | 12 | Daughter | — | Maryland |
| 37 | Herman Hamilton | 10 | Son | — | Maryland |
| 38 | Edna M. Hamilton | 8 | Daughter | — | Maryland |
| 39 | Velitta Hamilton | 7 | Daughter | — | Maryland |
| 40 | Bertha Hamilton | 4 | Daughter | — | Maryland |
Related Census Records
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)