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Mary Hamilton — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Gaston-County, North Carolina
Our Model Tree links this Mary Hamilton across the 1920, 1930 and 1940 US Censuses in Gaston-County, North Carolina (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 10-person household.
Age 41
b. ~1899
Female
Spouse
Born: North Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Gaston-County, North Carolina |
| Surname | Hamilton |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | North Carolina |
| 1935 Residence (City) | Greater Gastonia |
| 1935 Residence (County) | Gaston |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Township / Ward | Greater Gastonia |
| Est. Birth Year | ~1899 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jack Hamilton | Daughter | — | 4 | ~1936 |
| Gwendoline Boyd | Daughter | — | 18 | ~1922 |
| Ruth Hamilton | Daughter | — | 11 | ~1929 |
| Joe Hamilton | Head | — | 45 | ~1895 |
| Willis Boyd | Other | — | 22 | ~1918 |
| Thomas Hamilton | Son | — | 14 | ~1926 |
| Billy Hamilton | Son | — | 8 | ~1932 |
| George Hamilton | Son | — | 16 | ~1924 |
| Harley Hamilton | Son | — | ~1940 | |
| Mary Hamilton | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Gaston, North …
Spouse, age 21
Gaston, North Carolina · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1930
Gaston, North …
Spouse, age 31
Gaston, North Carolina · implied b. ~1899 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | North Carolina |
| Age at First Marriage | 19 |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Occupation | Laborer |
| Industry | Cotton Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1940
Gaston-County, North …
Spouse, age 41
Gaston-County, North Carolina · implied b. ~1899 — 10 household members
| Surname | Hamilton |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | North Carolina |
| 1935 Residence (City) | Greater Gastonia |
| 1935 Residence (County) | Gaston |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
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.
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This person
Anchor record
Mary Hamilton
Spouse · 1940 · age 41 · b. ~1899 · North Carolina
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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 — Gaston-County, North Carolina
Open full size
1940 US Federal Census — Gaston-County, North Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02914-00686)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Pauline Helton | 22 | Wife | Winder | North Carolina |
| 42 | James Helton | 2 | Son | — | North Carolina |
| 43 | Glenda Helton | 1 | Daughter | — | North Carolina |
| 44 | Lula Higdon | 49 | Mother-in-law | — | North Carolina |
| 45 | Joe M. Hamilton | 45 | Head | Quiller | North Carolina |
| 46 | Mary Hamilton THIS PERSON | 41 | Wife | — | North Carolina |
| 47 | George Hamilton | 16 | Son | Messenger | North Carolina |
| 48 | Thomas Hamilton | 14 | Son | — | North Carolina |
| 49 | Ruth Hamilton | 11 | Daughter | — | North Carolina |
| 50 | Billy Hamilton | 8 | Son | — | North Carolina |
| 51 | Jack Hamilton | 4 | Daughter | — | North Carolina |
| 52 | Harley Hamilton | 0 | Son | — | North Carolina |
| 53 | Willis Boyd | 22 | Son-in-law | Machinist | North Carolina |
| 54 | Gwendoline Boyd | 18 | Daughter | — | North Carolina |
| 55 | Lloyd Walls | 21 | Head | Twister | North Carolina |
| 56 | Ruby Walls | 24 | Wife | Spooler | North Carolina |
| 57 | Billy Mcginnis | 9 | Brother-in-law | — | North Carolina |
| 58 | Maggie Craig | 66 | Aunt | — | North Carolina |
| 59 | Lathan R. Hoffman | 37 | Head | Plumber Hand | North Carolina |
| 60 | Irene Hoffman | 35 | Wife | — | North Carolina |
| 61 | Clara Hoffman | 11 | Daughter | — | North Carolina |
| 62 | John Hoffman | 8 | Son | — | North Carolina |
| 63 | Durward Hoffman | 4 | Son | — | North Carolina |
| 64 | Iula Hoffman | 2 | Daughter | — | North Carolina |
| 65 | Luther Powell | 37 | Head | Sampler | South Carolina |
| 66 | Susie Powell | 33 | Wife | Spooler | North Carolina |
| 67 | Kathleen Powell | 14 | Daughter | — | North Carolina |
| 68 | Thelma Powell | 9 | Daughter | — | North Carolina |
| 69 | Polly Whitener | 67 | Mother-in-law | — | North Carolina |
| 70 | Martha Saunders | 23 | Housekeeper | Housekeeper | North Carolina |
| 71 | Talton Mcmahan | 36 | Head | Spinner | North Carolina |
| 72 | Glenn Mcmahan | 15 | Son | Helper | North Carolina |
| 73 | Kelly Williams | 48 | Head | Porter | North Carolina |
| 74 | Eliza Williams | 40 | Wife | Housekeeper | North Carolina |
| 75 | Arthur Williams | 23 | Son | Laborer | North Carolina |
| 76 | Andrew Williams | 17 | Son | — | North Carolina |
| 77 | Isaac Williams | 16 | Son | — | North Carolina |
| 78 | Raymond Williams | 13 | Son | — | North Carolina |
| 79 | Mabel Williams | 19 | Daughter | Dormitory Worker | North Carolina |
| 80 | Minnie Lawrence | 64 | Head | — | North Carolina |
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)