MC
Martha Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wood-County, Ohio
Our Model Tree links this Martha Cook across the 1930 and 1940 US Censuses in Wood-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1907), then head of a 9-person household.
Age 33
b. ~1907
Female
Spouse
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wood-County, Ohio |
| Surname | Cook |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Bowling Green |
| 1935 Residence (County) | Wood |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Bowling Green |
| Est. Birth Year | ~1907 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Roger Cook | Son | — | 3 | ~1937 |
| Jack Cook | Son | — | 10 | ~1930 |
| Alva Cook | Head | — | 38 | ~1902 |
| Phyllis Cook | Daughter | — | 12 | ~1928 |
| James Cook | Son | — | ~1940 | |
| Jill Cook | Daughter | — | 2 | ~1938 |
| Martha Cook | Spouse | — | 33 | ~1907 |
| Joyce Cook | Daughter | — | 6 | ~1934 |
| Ronald Cook | Son | — | 8 | ~1932 |
Census Appearances
1930
Wood, Ohio
Other, age 23
Wood, Ohio · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Martha |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 17 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wood-County, Ohio
Spouse, age 33
Wood-County, Ohio · implied b. ~1907 — 9 household members
| Surname | Cook |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Bowling Green |
| 1935 Residence (County) | Wood |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Cook
Spouse · 1940 · age 33 · b. ~1907 · 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 — Wood-County, Ohio
Open full size
1940 US Federal Census — Wood-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03170-00259)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Sophia Ackerman | 60 | Wife | — | Ohio |
| 42 | Evangeline Ackerman | 24 | Daughter | Telephonist | Ohio |
| 43 | Hazel Ackerman | 34 | Daughter | Telephonist | Ohio |
| 44 | Robert Garber | 41 | Head | Junior Clerk | Ohio |
| 45 | Alice Garber | 42 | Wife | Housework | Ohio |
| 46 | Chalmer Swerlein | 45 | Head | Carpenter | Ohio |
| 47 | Clara Swerlein | 40 | Wife | Seamstress | Ohio |
| 48 | Donald Swerlein | 20 | Son | Welder | Ohio |
| 49 | Gene Swerlein | 13 | Son | — | Ohio |
| 50 | Ernest Anderson | 31 | Head | Draftsman | Minnesota |
| 51 | Minnie Anderson | 27 | Wife | — | Minnesota |
| 52 | George Bressler | 22 | Head | Laborer | Ohio |
| 53 | Lucille Bressler | 21 | Wife | — | Ohio |
| 54 | Thomas Bressler | 2 | Son | — | Ohio |
| 55 | James Bressler | 1 | Son | — | Ohio |
| 56 | John Bressler | 75 | Head | — | Ohio |
| 57 | Effie Bressler | 73 | Wife | — | Ohio |
| 58 | Charles Philpott | 46 | Head | Farmer | Ohio |
| 59 | Marie Philpott | 42 | Wife | — | Ohio |
| 60 | Betty Philpott | 19 | Daughter | Housework | Ohio |
| 61 | Clara Philpott | 17 | Son | — | Ohio |
| 62 | Ross Philpott | 12 | Son | — | Ohio |
| 63 | Ned Philpott | 10 | Son | — | Ohio |
| 64 | Joseph Unkart | 66 | Head | Cook | Ohio |
| 65 | Mable Unkart | 57 | Wife | — | Ohio |
| 66 | Martin Danner | 14 | Step son | — | Ohio |
| 67 | Alva Cook | 38 | Head | Cement Block Maker | Ohio |
| 68 | Martha Cook THIS PERSON | 33 | Wife | — | Michigan |
| 69 | Phyllis Cook | 12 | daughter | — | Ohio |
| 70 | Jack Cook | 10 | son | — | Ohio |
| 71 | Ronald Cook | 8 | son | — | Ohio |
| 72 | Joyce Cook | 6 | daughter | — | Ohio |
| 73 | Roger Cook | 3 | son | — | Ohio |
| 74 | Jill Cook | 2 | daughter | — | Ohio |
| 75 | James Cook | 0 | son | — | Ohio |
| 76 | Lawrence Armstrong | 33 | Head | Yard Foreman | Ohio |
| 77 | Hazel Armstrong | 31 | Wife | — | Ohio |
| 78 | Bernie Armstrong | 4 | son | — | Ohio |
| 79 | Thomas Armstrong | 2 | son | — | Ohio |
| 80 | Lloyd A Johnson | 35 | Head | Electrician | 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)