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Betty Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Butler-County, Ohio
Our Model Tree links this Betty Martin across the 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Ohio |
| Surname | Martin |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Hanover Township |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Hanover Township |
| Est. Birth Year | ~1922 |
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 Betty | Age | Birth yr |
|---|---|---|---|---|
| Doris Martin | Daughter | — | 14 | ~1926 |
| James Martin | Son | — | 22 | ~1918 |
| Betty Martin | Daughter | — | 18 | ~1922 |
| Bob Martin | Son | — | 16 | ~1924 |
| Billy Martin | Son | — | 4 | ~1936 |
| Iva Martin | Spouse | — | 43 | ~1897 |
| Luther Martin | Head | — | 47 | ~1893 |
Census Appearances
1930
Butler, Ohio
Daughter, age 8
Butler, Ohio · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Betty H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Butler-County, Ohio
Daughter, age 18
Butler-County, Ohio · implied b. ~1922 — 7 household members
| Surname | Martin |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Hanover Township |
| 1935 Residence (County) | Butler |
| Highest Grade | Hs 2 |
| 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 Betty Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Betty Martin
Daughter · 1940 · age 18 · b. ~1922 · Ohio
★ You are viewing this record
Sibling
James Martin
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Martin
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bob Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Martin
Sibling · 1940 · age 14
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 — Butler-County, Ohio
Open full size
1940 US Federal Census — Butler-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03034-00064)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Christine Engel | 75 | Wife | — | Ohio |
| 2 | Arthur D Engel | 40 | Son | Farm Operator | Ohio |
| 3 | Clare Engel | 31 | Daughter | — | Ohio |
| 4 | Janet M. Engel | 4 | Daughter | — | Ohio |
| 5 | Robert Geisler | 17 | Hired hand | Hired Laborer | Ohio |
| 6 | Charles Demoret | 72 | Head | Retired | Ohio |
| 7 | Ella S Demoret | 74 | Wife | — | Ohio |
| 8 | Robert Frazier | 44 | Head | Tinner | Kentucky |
| 9 | Lillian S Frazier | 42 | Wife | — | Ohio |
| 10 | Betty Jane Frazier | 18 | Daughter | — | Ohio |
| 11 | William Frazier | 16 | Son | — | Ohio |
| 12 | Evelyn Frazier | 14 | Daughter | — | Ohio |
| 13 | Bruce Burgess | 57 | Head | — | Ohio |
| 14 | Jessie Burgess | 72 | Wife | — | Ohio |
| 15 | Luther Martin | 47 | Head | Millwright | Ohio |
| 16 | Iva Martin | 43 | Wife | — | Ohio |
| 17 | James Martin | 22 | Son | Hired Laborer | Ohio |
| 18 | Betty Martin THIS PERSON | 18 | Daughter | — | Ohio |
| 19 | Bob Martin | 16 | Son | — | Ohio |
| 20 | Doris Martin | 14 | Daughter | — | Ohio |
| 21 | Billy Martin | 4 | Son | — | Ohio |
| 22 | Stanley Walther | 27 | Head | Farm Operator | Ohio |
| 23 | Hilda Walther | 24 | Wife | — | Ohio |
| 24 | Walter Hake | 53 | Head | Farm Operator | Ohio |
| 25 | Irene Hake | 45 | Wife | — | Ohio |
| 26 | Sterling Bake | 25 | Son-in-law | Salesman | Ohio |
| 27 | Melba Bake | 24 | Daughter | — | Ohio |
| 28 | Sherry Bake | 2 | Daughter | — | Ohio |
| 29 | Vincent L. Wood | 58 | Head | Farm Operator | Kentucky |
| 30 | Edith S. Wood | 58 | Wife | — | Ohio |
| 31 | Henry Nagel | 56 | Head | Listing Guard-Rails | Ohio |
| 32 | Lillian S Nagel | 58 | Wife | — | Kentucky |
| 33 | Earl Bahr | 47 | Head | Farm Operator | Ohio |
| 34 | Leora Bahr | 45 | Wife | — | Ohio |
| 35 | Loren Bahr | 13 | Son | — | Indiana |
| 36 | Brother Lang | None | M | Farm | — |
| 37 | Frank Scholz | 54 | Head | Inspector | Ohio |
| 38 | William Filler | 67 | Boarder | — | Ohio |
| 39 | Arthur Mabis | 47 | Head | Farm Operator | Indiana |
| 40 | Hazel S Mabis | 45 | Wife | — | 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)