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Bertha Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pickaway-County, Ohio
Our Model Tree links this Bertha Martin across the 1920, 1930 and 1940 US Censuses in Pickaway-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 3-person household.
Age 54
b. ~1886
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pickaway-County, Ohio |
| Surname | Martin |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Circleville |
| 1935 Residence (County) | Pickaway |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Circleville |
| Est. Birth Year | ~1886 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Carl Martin | Son | — | 19 | ~1921 |
| Bertha Martin | Spouse | — | 54 | ~1886 |
| Clarence Martin | Head | — | 55 | ~1885 |
Census Appearances
1920
Pickaway, Ohio
Spouse, age 33
Pickaway, Ohio · implied b. ~1887 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Pickaway, Ohio
Other, age 43
Pickaway, Ohio · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Bertha |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 19 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Pickaway-County, Ohio
Spouse, age 54
Pickaway-County, Ohio · implied b. ~1886 — 3 household members
| Surname | Martin |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Circleville |
| 1935 Residence (County) | Pickaway |
| Highest Grade | No 5 |
| 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 Bertha Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Martin
Spouse · 1940 · age 54 · b. ~1886 · 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 — Pickaway-County, Ohio
Open full size
1940 US Federal Census — Pickaway-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03128-00095)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Albert Greathouse | 62 | Head | Laborer | Ohio |
| 42 | Beulah Greathouse | 53 | Wife | — | Ohio |
| 43 | Mary Greathouse | 18 | Daughter | Clerk | Ohio |
| 44 | Martha Greathouse | 15 | Daughter | — | Ohio |
| 45 | Edward Greathouse | 12 | Son | — | Ohio |
| 46 | George Greathouse | 68 | Brother | — | Ohio |
| 47 | Mark Delong | 41 | Head | Cartoader | Ohio |
| 48 | Clara Delong | 36 | Wife | — | Ohio |
| 49 | Dale Delong | 12 | Son | — | Ohio |
| 50 | Marion Delong | 9 | Son | — | Ohio |
| 51 | Chas. F. Laughlin | 56 | Head | Teacher | Ohio |
| 52 | Emma E. Laughlin | 57 | Wife | — | Ohio |
| 53 | Vera Laughlin | 22 | Daughter | Teacher | Ohio |
| 54 | Charles Laughlin | 18 | Son | — | Ohio |
| 55 | Clarence Martin | 55 | Head | Serviceman | Ohio |
| 56 | Bertha Martin THIS PERSON | 54 | Wife | — | Ohio |
| 57 | Carl Martin | 19 | Son | Helper - Dist. Truck | Ohio |
| 58 | Kenneth Dewey | 30 | Head | Barber | Ohio |
| 59 | Rosa Dewey | 30 | Wife | — | Ohio |
| 60 | Hazel Davis | 45 | Head | — | Ohio |
| 61 | Hazel Wright | 10 | Daughter | — | Ohio |
| 62 | Frank Stukenam | 73 | Uncle | — | Ohio |
| 63 | Clara Flora Risor | 67 | Mother | — | Ohio |
| 64 | Silas Hart | 69 | Head | — | Ohio |
| 65 | Laura Sabine | 52 | Head | — | Ohio |
| 66 | John W. Sabine | 17 | Son | — | Ohio |
| 67 | Dorothy Sabine | 14 | Daughter | — | Ohio |
| 68 | Chas. E. Sabine | 10 | Son | — | Ohio |
| 69 | Albert Sabine | 28 | Head | Machine Tender | Ohio |
| 70 | Emma Sabine | 26 | Wife | — | Ohio |
| 71 | Albert Jr. Sabine | 7 | Son | — | Ohio |
| 72 | Donald Sabine | 2 | Son | — | Ohio |
| 73 | Elsie Swank | 29 | Head | — | Kentucky |
| 74 | Evelyn Swank | 6 | Daughter | — | Ohio |
| 75 | Joseph Wardell | 33 | Head | Truck Driver | Ohio |
| 76 | Amelia Wardell | 29 | Wife | — | Ohio |
| 77 | John Wardell | 5 | Son | — | Ohio |
| 78 | Virginia Wardell | 2 | Daughter | — | Ohio |
| 79 | Richard Wardell | 0 | Son | — | Ohio |
| 80 | Eugene Polaxis | 28 | Head | Truck Driver | 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)