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Betty Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Columbiana-County, Ohio
Our Model Tree links this Betty Martin across the 1920, 1930 and 1940 US Censuses in Columbiana-County, Ohio (XGBoost, ~Confirmed), with identified parents George & Mary — first a daughter (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Columbiana-County, Ohio |
| Surname | Martin |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Salem City |
| 1935 Residence (County) | Columbiana |
| Additional Details | |
| Occupation | Waitress |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 442 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Waitress |
| Township / Ward | Salem City |
| Est. Birth Year | ~1919 |
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 Betty | Age | Birth yr |
|---|---|---|---|---|
| Mildred Martin | Other | — | 30 | ~1910 |
| Earl Martin | Son | — | 32 | ~1908 |
| Betty Martin | Daughter | — | 21 | ~1919 |
| Mary Martin | Spouse | — | 56 | ~1884 |
| Ruth Martin | Daughter | — | 18 | ~1922 |
| Frank Martin | Son | — | 24 | ~1916 |
| Robert Martin | Son | — | 16 | ~1924 |
| Ralph Martin | Head | — | 54 | ~1886 |
Census Appearances
1920
Columbiana, Ohio
Daughter, age 1
Columbiana, Ohio · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Betty J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Columbiana, Ohio
Daughter, age 11
Columbiana, Ohio · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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
Columbiana-County, Ohio
Daughter, age 21
Columbiana-County, Ohio · implied b. ~1919 — 8 household members
| Surname | Martin |
| Given Name | Betty |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Salem City |
| 1935 Residence (County) | Columbiana |
| Occupation | Waitress |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 442 |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence) and father Ralph Martin (~0.92 confidence) and father Ralph Martin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Martin
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Ralph Martin
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Ralph Martin
b. ~1886
Source father
● Household
· direct · ~0.92
This person
Anchor record
Betty Martin
Daughter · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Earl Martin
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Martin
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Martin
Sibling · 1940 · age 18
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 — Columbiana-County, Ohio
Open full size
1940 US Federal Census — Columbiana-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03044-00729)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joan D Hanray | 4 | Daughter | — | Ohio |
| 2 | Wanda Ritter | 61 | Head | — | Germany |
| 3 | Betty Strabley | 23 | Lodger | Bookkeeper | Ohio |
| 4 | Harry L Baird | 72 | Head | — | Ohio |
| 5 | Almira Baird | 54 | Wife | — | Ohio |
| 6 | Ida Colvill | 80 | Lodger | — | Ohio |
| 7 | Ralph Martin | 54 | Head | Welder And Handy Man | Ohio |
| 8 | Mary Martin | 56 | Wife | — | Ohio |
| 9 | Earl Martin | 32 | Son | Welder | Ohio |
| 10 | Mildred Martin | 30 | Daughter-in-law | — | Ohio |
| 11 | Frank Martin | 24 | Son | Waiter | Ohio |
| 12 | Betty Martin THIS PERSON | 21 | Daughter | Waitress | Ohio |
| 13 | Ruth Martin | 18 | Daughter | — | Ohio |
| 14 | Robert Martin | 16 | Son | — | Ohio |
| 15 | George Mcartor | 80 | Head | — | Ohio |
| 16 | Alice Mcartor | 70 | Wife | — | Ohio |
| 17 | Mona Mcartor | 47 | Daughter | Secretary And Treasurer | Ohio |
| 18 | Henry Wolfgang | 31 | Head | Inspector Blade | Ohio |
| 19 | Thelma Wolfgang | 28 | Wife | — | Pennsylvania |
| 20 | Beverly A Wolfgang | 3 | Daughter | — | Ohio |
| 21 | Joseph Potts | 38 | Head | Die Layout | Ohio |
| 22 | Margaret Potts | 40 | Wife | — | Ohio |
| 23 | Joseph Jr Potts | 5 | Son | — | Ohio |
| 24 | William A Potts | 3 | Son | — | Ohio |
| 25 | Mary Potts | 1 | Daughter | — | Ohio |
| 26 | Margaret Potts | 1 | Daughter | — | Ohio |
| 27 | Edward Allen | 33 | Head | Tree Trimmer | Ohio |
| 28 | Mary Allen | 33 | Wife | — | Scotland |
| 29 | Mary L Allen | 10 | Daughter | — | Ohio |
| 30 | Thomas E Allen | 8 | Son | — | Ohio |
| 31 | Walter S Allen | 4 | Son | — | Ohio |
| 32 | Robert Winddeker | 38 | Head | Clerk | Pennsylvania |
| 33 | Dorothy Winddeker | 28 | Wife | — | Ohio |
| 34 | Carol J Winddeker | 5 | Daughter | — | Ohio |
| 35 | William G Winddeker | 3 | Son | — | Ohio |
| 36 | Mildred Barber | 25 | Lodger | Clerk | Ohio |
| 37 | William Webber | 33 | Head | Fireman | Ohio |
| 38 | Iva Webber | 30 | Wife | — | Ohio |
| 39 | William Webber | 9 | Son | — | Ohio |
| 40 | Emma Folk | 58 | Mother | Housework | Ohio |
Pedigree Summary
Betty + 4 siblings
Gen 1 · 5 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)