MF
Martha Foster — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Portage-County, Ohio
Our Model Tree links this Martha Foster across the 1930 and 1940 US Censuses in Portage-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.
Age 11
b. ~1929
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Portage-County, Ohio |
| Surname | Foster |
| Given Name | Martha |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Brimfield Twp |
| 1935 Residence (County) | Portage |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Brimfield Twp |
| Est. Birth Year | ~1929 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Flora Foster | Daughter | — | 7 | ~1933 |
| Jesse Foster | Head | — | 42 | ~1898 |
| Esther Foster | Spouse | — | 30 | ~1910 |
| Martha Foster | Daughter | — | 11 | ~1929 |
| Donald Foster | Son | — | 3 | ~1937 |
| William Foster | Son | — | 1 | ~1939 |
| Richard Foster | Son | — | 9 | ~1931 |
Census Appearances
1930
Summit, Ohio
Daughter, age 1
Summit, Ohio · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Nebraska |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Portage-County, Ohio
Daughter, age 11
Portage-County, Ohio · implied b. ~1929 — 7 household members
| Surname | Foster |
| Given Name | Martha |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Brimfield Twp |
| 1935 Residence (County) | Portage |
| Highest Grade | 4 |
| 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 Martha Foster across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Foster
Daughter · 1940 · age 11 · b. ~1929 · Ohio
★ You are viewing this record
Sibling
William Foster
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Foster
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Flora Foster
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Foster
Sibling · 1940 · age 9
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 — Portage-County, Ohio
Open full size
1940 US Federal Census — Portage-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03130-00109)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Victoria Peterson | 45 | Wife | — | Poland |
| 2 | Theodore Peterson | 22 | Son | New Worker | Ohio |
| 3 | Stanley Peterson | 17 | Son | — | Ohio |
| 4 | Nancy Peterson | 6 | daughter | — | Ohio |
| 5 | Anna Fargo | 26 | daughter | — | Ohio |
| 6 | Aron W. Slidell | 51 | Head | — | Ohio |
| 7 | Ruth Slidell | 46 | Wife | — | W. Virginia |
| 8 | Violet Slidell | 17 | daughter | — | Ohio |
| 9 | Vernon Slidell | 17 | son | — | Ohio |
| 10 | Dorothy Slidell | 14 | daughter | — | Ohio |
| 11 | Donald Slidell | 14 | Son | — | Ohio |
| 12 | Howard Slidell | 9 | Son | — | Ohio |
| 13 | Harold Slidell | 9 | Son | — | Ohio |
| 14 | Raymond Wickuly | 36 | Head | Assembler | Ohio |
| 15 | Celia Wickuly | 27 | Wife | — | Ohio |
| 16 | Peggy Lou Wickuly | 7 | daughter | — | Ohio |
| 17 | Charles E. Leisure | 70 | Head | — | Ohio |
| 18 | Alliebonette Leisure | 69 | Wife | — | Ohio |
| 19 | Ralph Bunker | 43 | Head | Electrical Engineer | Ohio |
| 20 | Eva Bunker | 32 | Wife | — | North Carolina |
| 21 | Marylin Bunker | 4 | daughter | — | Ohio |
| 22 | Minnie Hughes | 22 | Sister-in-law | Housekeeper | North Carolina |
| 23 | Kenneth Reyner | 35 | Head | Electrician | Pennsylvania |
| 24 | Dorothy Reyner | 33 | Wife | — | Ohio |
| 25 | Lawrence Reyner | 13 | Son | — | Ohio |
| 26 | Ralph Reyner | 11 | Son | — | Ohio |
| 27 | Floyd Reyner | 10 | Son | — | Ohio |
| 28 | Evelyn Reyner | 9 | daughter | — | Ohio |
| 29 | Harry Dale Reyner | 4 | Son | — | Ohio |
| 30 | Francis R. Knepp | 42 | Head | Owner Manager | Ohio |
| 31 | Nellie Knepp | 42 | Wife | — | Ohio |
| 32 | Mary Joanne Knepp | 10 | daughter | — | Ohio |
| 33 | Mary Wilson | 69 | mother in law | — | Ohio |
| 34 | Jesse Foster | 42 | Head | Farming | Nebraska |
| 35 | Esther Foster | 30 | Wife | — | Ohio |
| 36 | Martha Foster THIS PERSON | 11 | daughter | — | Ohio |
| 37 | Richard Foster | 9 | Son | — | Ohio |
| 38 | Flora Foster | 7 | daughter | — | Ohio |
| 39 | Donald Foster | 3 | Son | — | Ohio |
| 40 | William Foster | 1 | Son | — | 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)