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Grace Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamilton-County, Tennessee
Our Model Tree links this Grace Martin across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Tennessee (XGBoost, ~Confirmed), with identified parents William & Lillian — first a spouse (b.~1895), then head of a 3-person household.
Age 45
b. ~1895
Female
Spouse
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Tennessee |
| Surname | Martin |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Chattanooga City |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Seamstress |
| Industry | at home |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Seamstress |
| Township / Ward | Chattanooga City |
| Est. Birth Year | ~1895 |
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 Grace | Age | Birth yr |
|---|---|---|---|---|
| William Martin | Son | — | 21 | ~1919 |
| Arthur Martin | Head | — | 54 | ~1886 |
| Grace Martin | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Hamilton, Tennessee
Daughter, age 26
Hamilton, Tennessee · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Georgia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Hamilton, Tennessee
Other, age 37
Hamilton, Tennessee · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Grace P |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 24 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Hamilton-County, Tennessee
Spouse, age 45
Hamilton-County, Tennessee · implied b. ~1895 — 3 household members
| Surname | Martin |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Chattanooga City |
| 1935 Residence (County) | Hamilton |
| Occupation | Seamstress |
| Industry | at home |
| Class of Worker | OA |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Grace Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Patterson (~0.92 confidence) and mother Lillian Patterson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Patterson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Lillian Patterson
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Grace Martin
Spouse · 1940 · age 45 · b. ~1895 · Tennessee
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hamilton-County, Tennessee
Open full size
1940 US Federal Census — Hamilton-County, Tennessee
Page Contents
14 people indexed on this census page (nara:1940:m-t0627-03951-00608)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Pearl Bankston | 47 | Head | Laborer | Alabama |
| 42 | Pearl Bankston | 38 | Wife | — | Alabama |
| 43 | Arthur Martin | 54 | Head | Janitor | Tennessee |
| 44 | Grace Martin THIS PERSON | 45 | Wife | Seamstress | Tennessee |
| 45 | William Martin | 21 | Son | Laborer | Tennessee |
| 46 | Maggie Cheese | 58 | Head | — | Mississippi |
| 47 | Lillie Bell Cheese | 38 | Daughter | — | Mississippi |
| 49 | Jim Wofford | 55 | Head | Laborer | Georgia |
| 50 | Ellen Wofford | 50 | Wife | — | Georgia |
| 51 | George Wofford | 19 | Son | — | Georgia |
| 52 | Genevia Wofford | 16 | Daughter | — | Georgia |
| 53 | Joseph Wofford | 14 | Son | — | Tennessee |
| 54 | Eddie Lee Wofford | 12 | Son | — | Tennessee |
| 55 | Emma Wofford | 9 | Daughter | — | Tennessee |
Pedigree Summary
Grace
Gen 1 · 2 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)