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Robert Griffith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this Robert Griffith across the 1920, 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed), with identified parents Clure & Clyde — first a son (b.~1920), then head of a 4-person household.
Age 20
b. ~1920
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Griffith |
| Given Name | Robert J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Occupation | Clerk |
| Industry | Retail Grocery Store |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 300 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Clerk |
| Township / Ward | Toledo City |
| Est. Birth Year | ~1920 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Tebie Griffith | Spouse | — | 49 | ~1891 |
| Clyde Griffith | Head | — | 53 | ~1887 |
| Richard Griffith | Son | — | 8 | ~1932 |
| Robert Griffith | Son | — | 20 | ~1920 |
Census Appearances
1920
Lucas, Ohio
Son, age
Lucas, Ohio · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffith |
| Given Name | Robert F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| 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 10
Lucas, Ohio · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffith |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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
Son, age 20
Lucas-County, Ohio · implied b. ~1920 — 4 household members
| Surname | Griffith |
| Given Name | Robert J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Occupation | Clerk |
| Industry | Retail Grocery Store |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 300 |
| Highest Grade | C 1 |
| 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 Griffith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clure Griffith (~0.92 confidence) and father Clyde Griffith (~0.92 confidence) and mother Jessie Griffith (~0.92 confidence) and mother Tebie Griffith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clure Griffith
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Clyde Griffith
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Jessie Griffith
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Tebie Griffith
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Griffith
Son · 1940 · age 20 · b. ~1920 · Ohio
★ You are viewing this record
Sibling
Richard Griffith
Sibling · 1940 · age 8
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-t0627-03259-00088)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wilbur J Knoll | 27 | Head | Bartender | Michigan |
| 2 | Katherine Knoll | 33 | Wife | Waitress | Kentucky |
| 3 | Israel J Parran | 29 | Head | Credit Manager | New York |
| 4 | Ruth Parran | 29 | Wife | — | Poland |
| 5 | Leonard R Spitler | 43 | Head | Treasurer | Ohio |
| 6 | Anna L Spitler | 19 | Daughter | Elevator Operator | Ohio |
| 7 | Harry F Tigar | 43 | Head | Dealer | New York |
| 8 | Cledora Tigar | 45 | Wife | — | New York |
| 9 | Ola M Rosenberger | 63 | Head | Saleslady | Ohio |
| 10 | Walter Wasielwski | 31 | Head | Salesman | Ohio |
| 11 | Lillian Wasielwski | 30 | Wife | — | Ohio |
| 12 | William C Deyhle | 42 | Head | Machine Designer | Germany |
| 13 | Frieda Deyhle | 37 | Wife | — | Germany |
| 14 | Ingeborg Deyhle | 5 | Daughter | — | Ohio |
| 15 | George P Dellinger | 26 | Head | Collector And Service | Ohio |
| 16 | Josephine Dellinger | 23 | Wife | — | Ohio |
| 17 | Harriett Agner | 32 | Head | Industrial Nurse | Ohio |
| 18 | Louis J Gugelman | 32 | Head | Retail Drug | Pennsylvania |
| 19 | Anna Gugelman | 23 | Wife | — | Pennsylvania |
| 20 | Charles M Gugelman | 24 | Brother | Salesman | Pennsylvania |
| 21 | Russell Shurgarman | 24 | Head | Proprietor Garage Work | Ohio |
| 22 | Rose Shurgarman | 24 | Wife | — | South Africa |
| 23 | Kenneth S Stewart | 32 | Head | Salesman | Ohio |
| 24 | Catherine Stewart | 32 | Wife | — | Ohio |
| 25 | Robert K Stewart | 10 | Son | — | Ohio |
| 26 | Carole Stewart | 9 | Daughter | — | Ohio |
| 27 | Frank Lidle | 44 | Head | Motor Assembling | Canada |
| 28 | Jean M Lidle | 36 | Wife | Inspector | Scotland |
| 29 | Frank Jr Lidle | 16 | Son | — | Ohio |
| 30 | Audrey Lidle | 14 | Daughter | — | Ohio |
| 31 | Clyde S Griffith | 53 | Head | Clerk | Ohio |
| 32 | Tebie W Griffith | 49 | Wife | — | Ohio |
| 33 | Robert J Griffith THIS PERSON | 20 | Son | Clerk | Ohio |
| 34 | Richard Griffith | 8 | Son | — | Ohio |
| 35 | Leo J Collins | 37 | Head | Switchman | Ohio |
| 36 | Jeanette Collins | 33 | Wife | Telephone Operator | Ohio |
| 37 | Joanne Collins | 11 | Daughter | — | Ohio |
| 38 | Josephine V Collins | 57 | Mother | — | Ohio |
| 39 | Henry J Weber | 35 | Head | Supervisor | Ohio |
| 40 | Virginia Weber | 33 | Wife | — | Ohio |
Pedigree Summary
Robert + 1 sibling
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)