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Robert Gray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Trumbull-County, Ohio
Our Model Tree links this Robert Gray across the 1920, 1930 and 1940 US Censuses in Trumbull-County, Ohio (XGBoost, ~Confirmed), with identified parents Robert & Anna — first a son (b.~1918), then head of a 6-person household.
Age 22
b. ~1918
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Trumbull-County, Ohio |
| Surname | Gray |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Warren Township |
| 1935 Residence (County) | Trumbull |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 520 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Farm Laborer |
| Township / Ward | Warren Township |
| Est. Birth Year | ~1918 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Edna Gray | Daughter | — | 24 | ~1916 |
| Alma Gray | Daughter | — | 28 | ~1912 |
| Frank Gray | Head | — | 54 | ~1886 |
| Robert Gray | Son | — | 22 | ~1918 |
| Wayne Gray | Son | — | 20 | ~1920 |
| Margaret Gray | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Mahoning, Ohio
Son, age 2
Mahoning, Ohio · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | No |
| Can Write | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Mahoning, Ohio
Son, age 12
Mahoning, Ohio · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | News Boy |
| Industry | Street |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Trumbull-County, Ohio
Son, age 22
Trumbull-County, Ohio · implied b. ~1918 — 6 household members
| Surname | Gray |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Warren Township |
| 1935 Residence (County) | Trumbull |
| Occupation | Farm Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 520 |
| 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 Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Gray (~0.92 confidence) and mother Anna Gray (~0.92 confidence) and mother Emma Gray (~0.92 confidence) and mother Margaret Gray (~0.92 confidence) and father Frank Gray (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Gray
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Anna Gray
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Emma Gray
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Margaret Gray
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
Frank Gray
b. ~1886
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Gray
Son · 1940 · age 22 · b. ~1918 · Ohio
★ You are viewing this record
Sibling
Alma Gray
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Gray
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Gray
Sibling · 1940 · age 24
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 — Trumbull-County, Ohio
Open full size
1940 US Federal Census — Trumbull-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03158-00798)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 42 | Lee Easterday | 73 | Head | Interior Decorator | Ohio |
| 43 | Harry L. Shorty | 58 | Head | Interior Decorator | Ohio |
| 44 | Mary Q. Shorty | 57 | Wife | — | Wales |
| 45 | Clarence J. Shorty | 23 | Son | Interior Decorator | Ohio |
| 46 | Barbara Ann Bollinger | 7 | Daughter | — | Ohio |
| 47 | George William Bollinger | 5 | Grandson | — | Ohio |
| 48 | Andy Patrick | 52 | Head | Roller | Hungary |
| 49 | Theresa Patrick | 39 | Wife | — | Hungary |
| 50 | Irene Patrick | 16 | Daughter | — | Ohio |
| 51 | Rudolf Patrick | 7 | Son | — | Ohio |
| 52 | William H. Vathey | 54 | Head | Custodian | West Virginia |
| 53 | Jessie M. Vathey | 41 | Wife | — | West Virginia |
| 54 | Louisa Schilling | 72 | Mother | — | Ohio |
| 55 | Clinton S. Gray | 71 | Head | — | Ohio |
| 56 | Frank S. Gray | 54 | Head | Heater'S Helper | Ohio |
| 57 | Margaret Gray | 57 | Wife | — | Ohio |
| 58 | Alma Gray | 28 | Daughter | — | Ohio |
| 59 | Edna Gray | 24 | Daughter | Machinist | Ohio |
| 60 | Robert Gray THIS PERSON | 22 | Son | Farm Laborer | Ohio |
| 61 | Wayne Gray | 20 | Son | Road Construction | Ohio |
| 62 | Walter J. Starkey | 38 | Head | Laborer | Ohio |
| 63 | May Starkey | 31 | Wife | — | West Virginia |
| 64 | Carol Frances Starkey | 2 | Daughter | — | Ohio |
| 65 | James Starkey | 57 | Head | Laborer | Pennsylvania |
| 66 | Minnie L. Starkey | 51 | Wife | — | Pennsylvania |
| 67 | James O. Winkler | 32 | Head | Mechanic | Pennsylvania |
| 68 | Dorothy E. Winkler | 20 | Wife | — | Ohio |
| 69 | Marjorie Winkler | 8 | Daughter | — | Ohio |
| 70 | Doris Winkler | 3 | Daughter | — | Ohio |
| 71 | Harold Wilhelm | 38 | Head | Bundler | Pennsylvania |
| 72 | Henrietta Wilhelm | 33 | Wife | Stenographer | Ohio |
| 73 | Joan Wilhelm | 6 | Daughter | — | Ohio |
| 74 | Bert Aldridge | 57 | Head | Interior Decorator | Ohio |
| 75 | Alice Aldridge | 54 | Wife | — | Ohio |
| 76 | Helen Aldridge | 25 | Daughter | Stenographer | Ohio |
| 77 | William Aldridge | 22 | Son | Gas Station Attendant | Ohio |
| 78 | Leo Aldridge | 20 | Son | Mechanic | Ohio |
| 79 | James Aldridge | 12 | Grandson | — | Ohio |
| 80 | George E. Hammond | 40 | Head | Interior Decorator | New York |
Pedigree Summary
Robert + 3 siblings
Gen 1 · 5 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)