RP
Ruth Parker — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this Ruth Parker across the 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Parker |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Toledo |
| Est. Birth Year | ~1921 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Virginia Parker | Daughter | — | 14 | ~1926 |
| Ruth Parker | Daughter | — | 19 | ~1921 |
| Marie Parker | Spouse | — | 41 | ~1899 |
| Barbara Parker | Daughter | — | 3 | ~1937 |
| Jesse Parker | Head | — | 42 | ~1898 |
| Edward Parker | Son | — | 12 | ~1928 |
| Sarah Parker | Daughter | — | 10 | ~1930 |
| Geraldine Parker | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Lucas, Ohio
Daughter, age 9
Lucas, Ohio · implied b. ~1921 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lucas-County, Ohio
Daughter, age 19
Lucas-County, Ohio · implied b. ~1921 — 8 household members
| Surname | Parker |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo |
| 1935 Residence (County) | Lucas |
| Highest Grade | Hs 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 Ruth Parker across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Parker
Daughter · 1940 · age 19 · b. ~1921 · Ohio
★ You are viewing this record
Sibling
Barbara Parker
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Parker
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Parker
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Parker
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Parker
Sibling · 1940 · age 12
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 — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03264-00473)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frances Wilson | 21 | Niece | Waitress | Ohio |
| 42 | George Pittinger | 44 | Head | Baggageman | Indiana |
| 43 | Nellie Pittinger | 51 | Wife | — | Indiana |
| 44 | Samuel Smith | 35 | Head | Truck Driver | Ohio |
| 45 | Nora Smith | 50 | Wife | — | Ohio |
| 46 | Raymond Kabel | 35 | Head | Barber | Ohio |
| 47 | Marie Kabel | 37 | Wife | — | Ohio |
| 48 | Dolores Kabel | 13 | Daughter | — | Ohio |
| 49 | George Risinger | 68 | Head | — | Ohio |
| 50 | Elizabeth Risinger | 58 | Wife | — | Ohio |
| 51 | Milton Risinger | 29 | Son | Manager | Ohio |
| 52 | Charles Risinger | 22 | Son | Elevator Boy | Ohio |
| 53 | Paul Risinger | 20 | Son | Stenographer | Ohio |
| 54 | Oscar Hart | 61 | Head | Idler | Michigan |
| 55 | Lucy Hart | 58 | Wife | — | Michigan |
| 56 | James Leahy | 61 | Head | Clerk | Ohio |
| 57 | Margaret Leahy | 57 | Wife | — | Ohio |
| 58 | Jesse E. Parker | 42 | Head | Dispatcher | Virginia |
| 59 | Marie Parker | 41 | Wife | — | Ohio |
| 60 | Ruth Parker THIS PERSON | 19 | Daughter | — | Ohio |
| 61 | Virginia Parker | 14 | Daughter | — | Ohio |
| 62 | Edward Parker | 12 | Son | — | Ohio |
| 63 | Sarah Parker | 10 | Daughter | — | Ohio |
| 64 | Geraldine Parker | 7 | Daughter | — | Ohio |
| 65 | Barbara Parker | 3 | Daughter | — | Ohio |
| 66 | Bernhardt Lemke | 43 | Head | Power Plant Operator | Ohio |
| 67 | Charlotte Lemke | 46 | Wife | — | Ohio |
| 68 | Evelyn Behrens | 20 | Niece | — | Ohio |
| 69 | Stephen Call | 18 | Nephew | — | Ohio |
| 70 | Clifford Lyman | 38 | Head | Switchman | Ohio |
| 71 | Eldora Lyman | 38 | Wife | — | Ohio |
| 72 | Clifford Lyman | 19 | Son | Inst. | Ohio |
| 73 | Arthur Lyman | 14 | Son | — | Ohio |
| 74 | Helen Lyman | 12 | Daughter | — | Ohio |
| 75 | Earl Walsh | 43 | Head | Fireman | Ohio |
| 76 | Harriet Walsh | 40 | Wife | — | Ohio |
| 77 | Andrew Janoff | 56 | Head | Locomotive Engineer | Bulgaria |
| 78 | Catherine Janoff | 52 | Wife | — | Poland |
| 79 | Olga Janoff | 25 | Daughter | — | Ohio |
| 80 | Elsie Janoff | 14 | Daughter | — | 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)