MK
Martha King — 1940 US Census Record
Model Tree available1940 United States Federal Census · Logan-County, Ohio
Our Model Tree links this Martha King across the 1920, 1930 and 1940 US Censuses in Logan-County, Ohio (XGBoost, ~Confirmed), with identified parents Aaron & Anna — first a daughter (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Logan-County, Ohio |
| Surname | King |
| Given Name | Martha E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Union |
| Additional Details | |
| Highest Grade | C 2 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | West Liberty |
| Est. Birth Year | ~1914 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Martha King | Daughter | — | 26 | ~1914 |
| Mary King | Daughter | — | 23 | ~1917 |
| Aaron King | Head | — | 62 | ~1878 |
| Anna King | Spouse | — | 61 | ~1879 |
Census Appearances
1920
Logan, Ohio
Daughter, age 6
Logan, Ohio · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Martha E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Logan, Ohio
Daughter, age 17
Logan, Ohio · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | King |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Logan-County, Ohio
Daughter, age 26
Logan-County, Ohio · implied b. ~1914 — 4 household members
| Surname | King |
| Given Name | Martha E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Union |
| Highest Grade | C 2 |
| 1935 Residence | Ohio |
| 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. Identified parents: father Aaron King (~0.92 confidence) and mother Anna King (~0.92 confidence) and mother Anna King (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Aaron King
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Anna King
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Anna King
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Martha King
Daughter · 1940 · age 26 · b. ~1914 · Ohio
★ You are viewing this record
Sibling
Mary King
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Logan-County, Ohio
Open full size
1940 US Federal Census — Logan-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03100-00441)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald Ray Cuffman | 13 | Grand-son | — | Maryland |
| 2 | Frank Stuckey | 48 | Head | Maintenance | Ohio |
| 3 | Olive Stuckey | 47 | Wife | — | Ohio |
| 4 | Aaron King | 62 | Head | General Contractor | Ohio |
| 5 | Anna M. King | 61 | Wife | — | Iowa |
| 6 | Martha E. King THIS PERSON | 26 | Daughter | — | Ohio |
| 7 | Mary Kathryn King | 23 | Daughter | House Keeper | Ohio |
| 8 | Anna Shumate | 83 | Head | — | Penn |
| 9 | Gil Smith | 33 | Head | Mill Work | Ohio |
| 10 | Lucille M. Smith | 28 | Wife | — | North Dakota |
| 11 | Carl Richard Smith | 8 | Son | — | Ohio |
| 12 | Bessie M. Elliott | 59 | Head | — | Ohio |
| 13 | Cora B. Kirkwood | 56 | Lodger | Telephone Operator | Ohio |
| 14 | Dora Young | 53 | Head | — | Ohio |
| 15 | Mae Le Roy | 43 | Head | Nurse-Practical | Ohio |
| 16 | Pauline Le Roy | 15 | Daughter | — | Colorado |
| 17 | Raymond Hines | 45 | Head | Owner-Operator | Ohio |
| 18 | Sarah Hines | 45 | Wife | — | Ohio |
| 19 | Betty Lou Hines | 14 | Daughter | — | Ohio |
| 20 | David Dean Hines | 6 | Son | — | Ohio |
| 21 | Robert E. Wearley | 55 | Head | Minister | Indiana |
| 22 | Addie Elma Wearley | 52 | Wife | — | Christiania |
| 23 | Wilson Wearley | 23 | Son | — | Indiana |
| 24 | Keith Wearley | 20 | Son | — | Indiana |
| 25 | Paul Wearley | 17 | Son | — | Ohio |
| 26 | John Wearley | 15 | Son | — | Ohio |
| 27 | Max Wearley | 13 | Son | — | Ohio |
| 28 | Laura R. Folsom | 33 | Head | Teacher | Ohio |
| 29 | Clifton Eugene Folsom | 11 | Son | — | Ohio |
| 30 | Ruth Ellen Folsom | 8 | Daughter | — | Ohio |
| 31 | Lillie M. Watkins | 54 | Head | House Work | Ohio |
| 32 | Bernice R. Watkins | 30 | Daughter | Office Typist | Ohio |
| 33 | Phyllis A. Watkins | 12 | Daughter | — | Ohio |
| 34 | Robert Shmider | 57 | Head | Printer | Ohio |
| 35 | Lettie Shmider | 48 | Wife | — | Penn |
| 36 | June Marie Miller | 8 | Daughter | — | Ohio |
| 37 | Florine Winegardner | 29 | Lodger | Teacher | Ohio |
| 38 | Katherine Urshart | 26 | Lodger | Type Setting | Ohio |
| 39 | Margaret Heffner | 56 | Head | — | Ohio |
| 40 | Alice Beloker | 61 | Head | — | Ohio |
Pedigree Summary
Martha + 1 sibling
Gen 1 · 3 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)