RG
Richard Graham — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this Richard Graham across the 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 12-person household.
Age 21
b. ~1919
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Graham |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Occupation | Driver |
| Industry | Trucking |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 50 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Driver |
| Township / Ward | Toledo City |
| Est. Birth Year | ~1919 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Ivan Graham | Son | — | 15 | ~1925 |
| Betty Graham | Daughter | — | 12 | ~1928 |
| Richard Graham | Son | — | 21 | ~1919 |
| Lawrence Graham | Head | — | 48 | ~1892 |
| Donald Graham | Son | — | 4 | ~1936 |
| Mary Graham | Spouse | — | 38 | ~1902 |
| Rosala Graham | Daughter | — | 6 | ~1934 |
| Frank Graham | Son | — | 17 | ~1923 |
| May Graham | Daughter | — | 12 | ~1928 |
| Alvin Graham | Son | — | 18 | ~1922 |
| William Graham | Son | — | 22 | ~1918 |
| Bonnie Graham | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Lucas, Ohio
Son, age 13
Lucas, Ohio · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | England |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lucas-County, Ohio
Son, age 21
Lucas-County, Ohio · implied b. ~1919 — 12 household members
| Surname | Graham |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Occupation | Driver |
| Industry | Trucking |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 50 |
| Highest Grade | No 6 |
| 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 Richard Graham across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Graham
Son · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Rosala Graham
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Graham
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alvin Graham
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Graham
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Graham
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bonnie Graham
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
May Graham
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Graham
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ivan Graham
Sibling · 1940 · age 15
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-t0627-03265-00039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen M. Mcfarland | 30 | Daughter | Stenographer | Ohio |
| 2 | Mary F. Mcfarland | 27 | Daughter | Stenographer | Ohio |
| 3 | Gertrude Mcfarland | 24 | Daughter | Stenographer | Ohio |
| 4 | Edward J. Mcfarland | 23 | Son | Auto Mechanic | Ohio |
| 5 | Joseph P. Mcfarland | 20 | Son | Stenographer | Ohio |
| 6 | Catherine D. Mcfarland | 19 | Daughter | Stenographer | Ohio |
| 7 | Marguerite D. Mcfarland | 17 | Daughter | — | Ohio |
| 8 | Edward Quetschka | 37 | Head | Hostler | Ohio |
| 9 | Aline Quetschka | 35 | Wife | — | Michigan |
| 10 | Edward Jr. Quetschka | 16 | Son | Cook | Ohio |
| 11 | Shirley M. Quetschka | 14 | Daughter | — | Ohio |
| 12 | Jerry Monahan | 71 | Head | — | Tennessee |
| 13 | Estelle Monahan | 70 | Wife | — | Ohio |
| 14 | Cecil Monahan | 47 | Son | Baker | Ohio |
| 15 | Francis U. Monahan | 32 | Daughter | Clerk | Ohio |
| 16 | Ralph U. Monahan | 15 | Grandson | — | Ohio |
| 17 | Anna Cousins | 40 | Daughter | — | Ohio |
| 18 | Arthur Stevens | 27 | Head | Laborer | Michigan |
| 19 | Ruth B. Stevens | 27 | Wife | — | Ohio |
| 20 | Sharron Stevens | 2 | Son | — | Ohio |
| 21 | Lawrence C. Graham | 48 | Head | Punch Press Operator | Ohio |
| 22 | Mary M. Graham | 38 | Wife | — | Ohio |
| 23 | William Graham | 22 | Son | Common Laborer | Ohio |
| 24 | Richard Graham THIS PERSON | 21 | Son | Driver | Ohio |
| 25 | Alvin Graham | 18 | Son | — | Ohio |
| 26 | Frank Graham | 17 | Son | New Worker | Ohio |
| 27 | Ivan Graham | 15 | Son | — | Ohio |
| 28 | May Graham | 12 | Daughter | — | Ohio |
| 29 | Bonnie J. Graham | 12 | Daughter | — | Ohio |
| 30 | Rosala Graham | 6 | Daughter | — | Ohio |
| 31 | Donald Graham | 4 | Son | — | Ohio |
| 32 | Betty J. Graham | 12 | Daughter | — | Ohio |
| 33 | — | None | — | — | — |
| 34 | Mary Arlen | 69 | Head | — | Canada-English |
| 35 | Claire M. Arlen | 36 | Daughter | Office Clerk | Canada-English |
| 36 | Anna Siewert | 54 | Head | Packer | Germany |
| 37 | Emilia Siewert | 47 | Sister | Clerk | Germany |
| 38 | Carl Stamman | 35 | Nephew | Salesman | Ohio |
| 39 | Steve Patterson | 54 | Head | Structural Iron-Worker | Newfoundland |
| 40 | Agnes Patterson | 58 | Wife | — | Newfoundland |
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)