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Betty Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Miami-County, Ohio
Our Model Tree links this Betty Martin across the 1930 and 1940 US Censuses in Miami-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Miami-County, Ohio |
| Surname | Martin |
| Given Name | Betty |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Bethel Twp |
| 1935 Residence (County) | Miami |
| Additional Details | |
| Industry | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Bethel Twp |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Betty | Age | Birth yr |
|---|---|---|---|---|
| Glenn Martin | Son | — | 17 | ~1923 |
| Jesse Martin | Son | — | 19 | ~1921 |
| Gladys Martin | Spouse | — | 40 | ~1900 |
| James Martin | Head | — | 53 | ~1887 |
| Dale Martin | Son | — | 9 | ~1931 |
| June Martin | Daughter | — | 15 | ~1925 |
| Joyce Martin | Daughter | — | 1 | ~1939 |
| Donald Martin | Son | — | 6 | ~1934 |
| Betty Martin | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Miami, Ohio
Daughter, age 5
Miami, Ohio · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Can Read/Write | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Miami-County, Ohio
Daughter, age 15
Miami-County, Ohio · implied b. ~1925 — 9 household members
| Surname | Martin |
| Given Name | Betty |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Bethel Twp |
| 1935 Residence (County) | Miami |
| Industry | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| 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 15 · b. ~1925 · Ohio
★ You are viewing this record
Sibling
Glenn Martin
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Martin
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Martin
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joyce Martin
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Martin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jesse Martin
Sibling · 1940 · age 19
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 — Miami-County, Ohio
Open full size
1940 US Federal Census — Miami-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03115-00019)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hazel Colbaugh | 17 | daughter | — | Ohio |
| 2 | Robert B. Troutman | 43 | head | Spray Operator | Ohio |
| 3 | Garnet Troutman | 37 | wife | — | Ohio |
| 4 | John Haymaker | 15 | step son | Ccc | Ohio |
| 5 | Ralph Haymaker | 15 | step son | — | Ohio |
| 6 | Thomas Morehead | 51 | head | Farmer | Kentucky |
| 7 | Nannie B. Morehead | 56 | wife | — | Kentucky |
| 8 | Leslie Morehead | 17 | son | — | Ohio |
| 9 | James H. Martin | 53 | head | Stock Chaser | Indiana |
| 10 | Gladys Martin | 40 | wife | — | Ohio |
| 11 | Jesse Martin | 19 | son | Laborer | Ohio |
| 12 | Glenn Martin | 17 | son | — | Ohio |
| 13 | Betty Martin THIS PERSON | 15 | daughter | — | Ohio |
| 14 | June Martin | 15 | daughter | — | Ohio |
| 15 | Dale Martin | 9 | son | — | Ohio |
| 16 | Donald Martin | 6 | son | — | Ohio |
| 17 | Joyce Martin | 1 | daughter | — | Ohio |
| 18 | Delmer Slauter | 48 | head | Clerk | Ohio |
| 19 | Ester Slauter | 40 | wife | — | Ohio |
| 20 | Richard Slauter | 14 | son | — | Ohio |
| 21 | Horace Wilson | 42 | head | Stock Clerk | Ohio |
| 22 | Orpha Wilson | 37 | wife | — | Ohio |
| 23 | Jack Wilson | 15 | son | — | Ohio |
| 24 | Phyllis Wilson | 13 | daughter | — | Ohio |
| 25 | Donald Wilson | 9 | son | — | Ohio |
| 26 | James Wilson | 7 | son | — | Ohio |
| 27 | Marilyn Wilson | 3 | daughter | — | Ohio |
| 28 | Otto Geo. Orth | 63 | head | Farmer | Ohio |
| 29 | Pearl Orth | 47 | wife | — | Ohio |
| 30 | Donald Taynor | 17 | step son | — | Ohio |
| 31 | Roger Taynor | 12 | step son | — | Ohio |
| 32 | Lizzie Allen | 68 | mother in law | — | Indiana |
| 33 | Roland Thompson | 33 | head | Shipping Clerk | Ohio |
| 34 | Lena Thompson | 55 | mother | — | Ohio |
| 35 | Maynard Thompson | 29 | brother | Truck Driver | Ohio |
| 36 | Paul Thompson | 26 | brother | Truck Driver | Ohio |
| 37 | Lena Thompson | 23 | sister | — | Ohio |
| 38 | Carl Thompson | 21 | brother | New Worker | Ohio |
| 39 | Charles Thompson | 16 | brother | — | Ohio |
| 40 | Ralph Thompson | 13 | brother | — | Ohio |
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)