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Grace Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grant-County, Kentucky
Our Model Tree links this Grace Martin across the 1920, 1930 and 1940 US Censuses in Grant-County, Kentucky (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 7-person household.
Age 39
b. ~1901
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grant-County, Kentucky |
| Surname | Martin |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (County) | Grant |
| Additional Details | |
| Industry | H |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | 1St Mag Dist |
| Est. Birth Year | ~1901 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Granville Martin | Son | — | 19 | ~1921 |
| Patsy Dunn | Other | — | 5 | ~1935 |
| Stephen Conroy | Other | — | 79 | ~1861 |
| Warren Martin | Son | — | 12 | ~1928 |
| Junior Martin | Son | — | 15 | ~1925 |
| Ottis Martin | Head | — | 43 | ~1897 |
| Grace Martin | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Grant, Kentucky
Spouse, age 20
Grant, Kentucky · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Grace M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Grant, Kentucky
Spouse, age 30
Grant, Kentucky · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 17 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Grant-County, Kentucky
Spouse, age 39
Grant-County, Kentucky · implied b. ~1901 — 7 household members
| Surname | Martin |
| Given Name | Grace |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (County) | Grant |
| Industry | H |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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.
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This person
Anchor record
Grace Martin
Spouse · 1940 · age 39 · b. ~1901 · Kentucky
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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 — Grant-County, Kentucky
Open full size
1940 US Federal Census — Grant-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01308-00597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Betty Ramey | 10 | Granddaughter | — | Kentucky |
| 42 | Golie Doan | 41 | Head | 30 | Kentucky |
| 43 | Sadie Doan | 38 | Wife | — | Kentucky |
| 44 | Marvin E. Doan | 17 | Son | — | Kentucky |
| 45 | Norman Doan | 7 | Son | — | Kentucky |
| 46 | Elbert Wolfe | 25 | Head | 20 | Kentucky |
| 47 | Lillie Wolfe | 23 | Wife | — | Kentucky |
| 48 | Donna Lou Wolfe | 1 | Daughter | — | Kentucky |
| 49 | Ottis Martin | 43 | Head | 30 | Kentucky |
| 50 | Grace Martin THIS PERSON | 39 | Wife | — | Kentucky |
| 51 | Granville Martin | 19 | Son | 25 | Kentucky |
| 52 | Junior Lee Martin | 15 | Son | 20 | Kentucky |
| 53 | Warren David Martin | 12 | Son | — | Kentucky |
| 54 | Patsy Ann Dunn | 5 | Granddaughter | — | Kentucky |
| 55 | Stephen A. Conroy | 79 | Lodger | — | Kentucky |
| 56 | Floyd Dunn | 38 | Head | 35 | Kentucky |
| 57 | Roxie Dunn | 36 | Wife | — | Kentucky |
| 58 | Marjorie E. Dunn | 15 | Daughter | — | Kentucky |
| 59 | Melrose Dunn | 13 | Daughter | — | Kentucky |
| 60 | Marley W. Dunn | 9 | Son | — | Kentucky |
| 61 | Norman W. Dunn | 6 | Son | — | Kentucky |
| 62 | Marilyn J. Dunn | 3 | Daughter | — | Kentucky |
| 63 | Edgar Marshall | 56 | Head | 40 | Kentucky |
| 64 | Mattie Marshall | 56 | Wife | — | Kentucky |
| 65 | John W. Marshall | 88 | Father | — | Kentucky |
| 66 | Robert Branson | 27 | Head | 30 | Kentucky |
| 67 | Ellen Branson | 18 | Wife | — | Kentucky |
| 68 | James A. Ackman | 71 | Head | — | Kentucky |
| 69 | Ida Ackman | 69 | Wife | — | Kentucky |
| 70 | Ernest Ackman | 36 | Son | 40 | Kentucky |
| 71 | Lois Ackman | 33 | Wife | — | Kentucky |
| 72 | Rose Jennett Ackman | 9 | Granddaughter | — | Kentucky |
| 73 | Luther C. Grover | 60 | Head | 40 | Kentucky |
| 74 | Bertha Grover | 49 | Wife | — | Kentucky |
| 75 | Imogene Grover | 13 | Daughter | — | Kentucky |
| 76 | Hobart Martin | 44 | Head | 30 | Kentucky |
| 77 | Homer Martin | 22 | Son | 10 | Kentucky |
| 78 | Dorothy Martin | 13 | Daughter | — | Kentucky |
| 79 | Deloris Martin | 10 | Daughter | — | Kentucky |
| 80 | William Kinman | 28 | Head | 20 | Kentucky |
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)