RP
Robert Parker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this Robert Parker across the 1920, 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed), with identified parents Harry & Emma — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Parker |
| Given Name | Robert B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Occupation | Salesman |
| Industry | Roofing Co |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 2400 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Salesman |
| Township / Ward | Toledo City |
| Est. Birth Year | ~1915 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Parker | Head | — | 25 | ~1915 |
| Russell Parker | Son | — | 3 | ~1937 |
| Katherine Parker | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Lucas, Ohio
Son, age 3
Lucas, Ohio · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Lucas, Ohio
Son, age 14
Lucas, Ohio · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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
Lucas-County, Ohio
Head, age 25
Lucas-County, Ohio · implied b. ~1915 — 3 household members
| Surname | Parker |
| Given Name | Robert B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Occupation | Salesman |
| Industry | Roofing Co |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 2400 |
| Highest Grade | H-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 Robert Parker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Parker (~0.92 confidence) and mother Emma Parker (~0.92 confidence) and father Charles Parker (~0.92 confidence) and mother Pearl Parker (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Parker
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Emma Parker
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Charles Parker
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Pearl Parker
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Parker
Head · 1940 · age 25 · b. ~1915 · 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 — 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-t0627-03261-00675)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert B. Parker THIS PERSON | 25 | Head | Salesman | Ohio |
| 2 | Katherine Parker | 25 | Wife | — | Ohio |
| 3 | Russell B. Parker | 3 | Son | — | Ohio |
| 4 | Leon C. Kettering | 40 | Head | Clerk | Ohio |
| 5 | Esther Kettering | 34 | Wife | — | Ohio |
| 6 | Maurice Edgington | 41 | Head | Clerk | Kentucky |
| 7 | Minnie Edgington | 37 | Wife | — | Kentucky |
| 8 | Pattie Edgington | 18 | Daughter | — | Kentucky |
| 9 | Minnie Edgington | 14 | Daughter | — | Ohio |
| 10 | Harry Edgington | 8 | Son | — | Ohio |
| 11 | William Mullean | 35 | Head | Inspector | Ohio |
| 12 | Marie Mullean | 35 | Wife | — | W. Va. |
| 13 | William Mullean | 7 | Son | — | Mich |
| 14 | Patrick Mullean | 4 | Son | — | Ohio |
| 15 | Carrie R. Trunell | 36 | Head | Trucker | Illinois |
| 16 | Millie Trunell | 48 | Wife | — | Indiana |
| 17 | Kenneth Trunell | 28 | Daughter | Cashier | Ohio |
| 18 | Rosemarie Trunell | 23 | Daughter | Stenographer | Ohio |
| 19 | Helen Trunell | 20 | Daughter | Stenographer | Ohio |
| 20 | Clara Spitler | 65 | Head | — | Ohio |
| 21 | Margaret Spitler | 45 | Daughter | — | Ohio |
| 22 | Gerda Snyder | 40 | Daughter | — | Ohio |
| 23 | Eileen Snyder | 15 | Son | Bookkeeper | Ohio |
| 24 | Richard Snyder | 12 | Son | — | Ohio |
| 25 | Alex Reich | 64 | Head | Bookkeeper | Russia |
| 26 | Ida Reich | 64 | Wife | — | Germany |
| 27 | Chester Taak | 31 | Head | Investigator | Penn |
| 28 | Harriet Taak | 29 | Wife | — | Penn |
| 29 | Virginia Taak | 5 | Daughter | — | Ohio |
| 30 | Arthur Kerkoff | 55 | Head | Guard | Michigan |
| 31 | Marie Kerkoff | 55 | Wife | — | Michigan |
| 32 | Russell Kerkoff | 23 | Son | Accounting | Michigan |
| 33 | Raymond Menzel | 32 | Head | Accountant | Ohio |
| 34 | Evelyn Menzel | 32 | Wife | — | Ohio |
| 35 | James W. Menzel | 6 | Son | — | Ohio |
| 36 | Lawrence Menzel | 4 | Son | — | Ohio |
| 37 | Lorraine Greenlaw | 18 | Maid | Housework | California |
| 38 | John W. Wurrie | 49 | Head | Valuator | Ohio |
| 39 | Lida M. Wurrie | 50 | Wife | Bookkeeper | Ohio |
| 40 | John W. Wurrie | 17 | Son | — | Ohio |
Pedigree Summary
Robert
Gen 1 · 4 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)