MC
Martha Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clay-County, Kentucky
Our Model Tree links this Martha Campbell across the 1930 and 1940 US Censuses in Clay-County, Kentucky (XGBoost, ~Confirmed) — first a spouse (b.~1906), then head of a 8-person household.
Age 34
b. ~1906
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clay-County, Kentucky |
| Surname | Campbell |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District 2 |
| 1935 Residence (County) | Clay |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial District 2 |
| Est. Birth Year | ~1906 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Lorene Campbell | Daughter | — | 10 | ~1930 |
| Willie Campbell | Son | — | 13 | ~1927 |
| Charley Campbell | Head | — | 33 | ~1907 |
| Charlie Campbell | Son | — | ~1940 | |
| Betty Campbell | Daughter | — | 5 | ~1935 |
| Gladys Campbell | Daughter | — | 11 | ~1929 |
| Marcus Campbell | Son | — | 15 | ~1925 |
| Martha Campbell | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Clay, Kentucky
Spouse, age 24
Clay, Kentucky · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| 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
Clay-County, Kentucky
Spouse, age 34
Clay-County, Kentucky · implied b. ~1906 — 8 household members
| Surname | Campbell |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District 2 |
| 1935 Residence (County) | Clay |
| Industry | 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 Martha Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Campbell
Spouse · 1940 · age 34 · b. ~1906 · Kentucky
★ 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 — Clay-County, Kentucky
Open full size
1940 US Federal Census — Clay-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01296-00232)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Ellis Jr. Sallie | 12 | Grand son | — | Kentucky |
| 42 | Edith Ellen Sallie | 11 | Grand daughtr | — | Kentucky |
| 43 | Sara Katherine Sallie | 9 | Grand daughtr | — | Kentucky |
| 44 | Margery Anne Sallie | 7 | Grand daughtr | — | Kentucky |
| 45 | Dortha Susan Sallie | 5 | Grand daughtr | — | Kentucky |
| 46 | Charley Campbell | 33 | Head | Farming | Kentucky |
| 47 | Martha Campbell THIS PERSON | 34 | Wife | — | Kentucky |
| 48 | Marcus Campbell | 15 | Son | — | Kentucky |
| 49 | Willie Campbell | 13 | Son | — | Kentucky |
| 50 | Gladys Campbell | 11 | Daughter | — | Kentucky |
| 51 | Lorene Campbell | 10 | Daughter | — | Kentucky |
| 52 | Betty June Campbell | 5 | Daughter | — | Kentucky |
| 53 | Charlie Jr. Campbell | 0 | Son | — | Kentucky |
| 54 | Oliver Ferguson | 24 | Head | Teacher | Kentucky |
| 55 | Emma Ferguson | 26 | Wife | Teacher | Kentucky |
| 56 | Chester Venter | 47 | Head | Farming | Kentucky |
| 57 | Alice Venter | 35 | Wife | — | Kentucky |
| 58 | Irene Venter | 15 | Daughter | — | Kentucky |
| 59 | Lillie Venter | 13 | Daughter | — | Kentucky |
| 60 | Homer Venter | 12 | Son | — | Kentucky |
| 61 | Pauline Venter | 11 | Daughter | — | Kentucky |
| 62 | Stanley Venter | 7 | Son | — | Kentucky |
| 63 | Lee Combs | 55 | Head | Farming | Kentucky |
| 64 | Maud Combs | 51 | Wife | — | Kentucky |
| 65 | Leo Combs | 24 | Son | Book Keeper | Kentucky |
| 66 | John C. Ferguson | 49 | Head | Farming | Kentucky |
| 67 | Ira Ferguson | 47 | Wife | — | Kentucky |
| 68 | Oliver Ferguson | 18 | Son | Farming | Kentucky |
| 69 | Conley Ferguson | 15 | Son | — | Kentucky |
| 70 | Leonard Ferguson | 11 | Son | — | Kentucky |
| 71 | Gracie Cross | 23 | Lodger | — | Kentucky |
| 72 | Bill Scott | 58 | Head | Farming | Kentucky |
| 73 | Eliza Scott | 58 | Wife | — | Kentucky |
| 74 | Ira Scott | 16 | Son | Farming | Kentucky |
| 75 | Junice Bundy | 56 | Head | — | Kentucky |
| 76 | James Earl Bundy | 12 | Grand son | — | Kentucky |
| 77 | Henry Lunsford | 39 | Head | Farming | Kentucky |
| 78 | Lizzie Lunsford | 42 | Wife | — | Kentucky |
| 79 | Oliver Campbell | 43 | Head | Farming | Kentucky |
| 80 | Lucy Campbell | 39 | Wife | — | 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)