MK
Martha King — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Franklin-County, Ohio
Our Model Tree links this Martha King across the 1920, 1930 and 1940 US Censuses in Franklin-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1855), then head of a 2-person household.
Age 85
b. ~1855
Female
Head
Born: Ohio
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Ohio |
| Surname | King |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 85 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus City |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Highest Grade | 0 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Columbus City |
| Est. Birth Year | ~1855 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Martha King | Head | — | 85 | ~1855 |
| Frances King | Daughter | — | 57 | ~1883 |
Census Appearances
1920
Franklin, Ohio
Spouse, age 64
Franklin, Ohio · implied b. ~1856 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | United States |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Franklin, Ohio
Other, age 75
Franklin, Ohio · implied b. ~1855 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Martha |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 30 |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Franklin-County, Ohio
Head, age 85
Franklin-County, Ohio · implied b. ~1855 — 2 household members
| Surname | King |
| Given Name | Martha |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 85 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus City |
| 1935 Residence (County) | Franklin |
| Highest Grade | 0 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 King across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha King
Head · 1940 · age 85 · b. ~1855 · Ohio
★ 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 — Franklin-County, Ohio
Open full size
1940 US Federal Census — Franklin-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03245-00877)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mildred Smallwood | 25 | Head | Floor Man | Missouri |
| 42 | Phyllis Smallwood | 21 | Wife | Beauty Operator | Ohio |
| 43 | Earnest Scott | 25 | Head | Machinist | Ohio |
| 44 | Virginia Scott | 22 | Wife | Cashier | West Virginia |
| 45 | Prentice Hinkle | 29 | Head | Carpenter | West Virginia |
| 46 | Gail Hinkle | 25 | Wife | Hand Sewer | Ohio |
| 47 | William Hinkle | 5 | Son | — | — |
| 48 | Joseph Hinkle | 1 | Son | — | — |
| 49 | Martha King THIS PERSON | 85 | Head | — | Ohio |
| 50 | Frances Mary King | 57 | Daughter | On Relief | Ohio |
| 51 | James Baker | 80 | Head | — | North Carolina |
| 52 | Nora Baker | 60 | Wife | — | West Virginia |
| 53 | Guy Evans | 43 | Head | Truck Driver | West Virginia |
| 54 | Thelma Evans | 32 | Wife | — | Ohio |
| 55 | William Holland | 29 | Head | Truck Driver | West Virginia |
| 56 | Verna Holland | 21 | Wife | Housework | Ohio |
| 57 | James Jr. Mabes | 23 | Brother | Check Clerk | West Virginia |
| 58 | Mary Holland | 4 | Daughter | — | — |
| 59 | Ervin Caves | 51 | Head | Stationary Engineer | Ohio |
| 60 | Margaret Caves | 53 | Wife | Clerk | Michigan |
| 61 | May Robinson | 59 | Lodger | — | Ohio |
| 62 | And Begin Here Ends Block #49 | None | BLOCK #50 | — | — |
| 63 | Mary Heischman | 29 | Head | — | England |
| 64 | George Heischman | 4 | Son | — | — |
| 65 | Thomas Heischman | 4 | Son | — | — |
| 66 | Hugh Thacker | 29 | Head | Mechanic | Virginia |
| 67 | Ada V. Thacker | 24 | Wife | — | Ohio |
| 68 | Ronald Thacker | 4 | Son | — | — |
| 69 | Carol Thacker | 2 | Daughter | — | — |
| 70 | Ralph Karn | 30 | Head | Mechanic | Ohio |
| 71 | Mary Karn | 28 | Wife | Cashier | Ohio |
| 72 | Wayne Bruner | 23 | Lodger | Plumber Helper | Colorado |
| 73 | Harold King | 37 | Head | Service Man | New York |
| 74 | Ethel King | 34 | Wife | — | New York |
| 75 | Marilyn King | 8 | Daughter | — | New York |
| 76 | Nancy King | 1 | Daughter | — | — |
| 77 | Harold Slater | 21 | Head | Salesman | Ohio |
| 78 | Rita Slater | 23 | Wife | — | Ohio |
| 79 | Thomas Slater | 1 | Son | — | — |
| 80 | Fay Green | 52 | Head | Fireman | Ohio |
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)