RG
Robert Gray — 1930 US Census Record
Model Tree available1930 United States Federal Census · Franklin, Ohio
Our Model Tree links this Robert Gray across the 1920, 1930 and 1940 US Censuses in Franklin, Ohio (XGBoost, ~Confirmed), with identified parents Alex & Zela — first a son (b.~1919), then head of a 5-person household.
Age 11
b. ~1919
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Franklin, Ohio |
| Surname | Gray |
| Given Name | Robert R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Columbus 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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Elias Gray | Head | — | 37 | ~1893 |
| Almeta Case | Other | — | 41 | ~1889 |
| Donald Gray | Son | — | 7 | ~1923 |
| Louis Gray | Son | — | 6 | ~1924 |
| Robert Gray | Son | — | 11 | ~1919 |
Census Appearances
1920
Franklin, Ohio
Son, age 2
Franklin, Ohio · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Franklin, Ohio
Son, age 11
Franklin, Ohio · implied b. ~1919 — 5 household members
| Surname | Gray |
| Given Name | Robert R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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
Franklin-County, Ohio
Son, age 22
Franklin-County, Ohio · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grey |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Occupation | new worker |
| Hours Worked | 10 |
| Income (1939) | 1092 |
| Highest Grade | No 8 |
| 1935 Residence | Ohio |
| 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 Alex Lindsay (~0.92 confidence) and mother Zela Lindsay (~0.92 confidence) and mother Ella Gray (~0.92 confidence) and father Elias Gray (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alex Lindsay
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Zela Lindsay
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Ella Gray
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Elias Gray
b. ~1893
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Gray
Son · 1930 · age 11 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Donald Gray
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louis Gray
Sibling · 1930 · age 6
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
1930 US Federal Census — Franklin, Ohio
Open full size
1930 US Federal Census — Franklin, Ohio
Page Contents
40 people indexed on this census page (ia:1930:ohiocensus00reel1795:0305)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Paul A. Elbe | 28 | Head | Foreman | Ohio |
| 2 | Kathryn Elbe | 28 | Wife-H | — | West Virginia |
| 3 | Paul A. Elbe | 8 | Son | — | Ohio |
| 4 | Kathryn Elbe | 11 | Daughter | — | West Virginia |
| 5 | Joseph A. Reidelbach | 52 | Head | Shoe Worker | Ohio |
| 6 | Marie M. Reidelbach | 26 | Wife-H | — | Ohio |
| 7 | Joseph Gerlach | 71 | Head | — | Germany |
| 8 | Margaret Gerlach | 71 | Wife-H | — | Wisconsin |
| 9 | Gertrude Gerlach | 38 | Daughter | Proprietor | Ohio |
| 10 | Bertha Eyerman | 42 | Daughter | Helper | Ohio |
| 11 | Kristine Eyerman | 19 | Granddaughter | Helper | Ohio |
| 12 | Frank J. Burghart | 74 | Head | — | Germany |
| 13 | Crescentia Burghart | 67 | Wife-H | — | Germany |
| 14 | George Pishon | 48 | Head | Wait-Man | Ohio |
| 15 | Catherine Pishon | 44 | Wife-H | — | Ohio |
| 16 | Bernard Pishon | 21 | Son | Laborer | Ohio |
| 17 | Catherine Pishon | 20 | Daughter | Waitress | Ohio |
| 18 | Margaret Pishon | 10 | Daughter | — | Ohio |
| 19 | Robert J. Weilbacher | 50 | Head | Foreman | Ohio |
| 20 | Emma Weilbacher | 53 | Wife-H | — | Ohio |
| 21 | Nellie Weilbacher | 33 | Daughter | Stenographer | Ohio |
| 22 | Elias Gray | 37 | Head | Teacher | Ohio |
| 23 | Robert R. Gray THIS PERSON | 11 | Son | — | Ohio |
| 24 | Donald A. Gray | 7 | Son | — | Ohio |
| 25 | Louis J. Gray | 6 | Son | — | Ohio |
| 26 | Almeta Case | 41 | Housekeeper | Domestic | Ohio |
| 27 | Emma Burkley | 75 | Head | — | Ohio |
| 28 | Joseph Schmidt | 80 | Head | Manager | Ohio |
| 29 | Mary Schmidt | 66 | Wife-H | — | Ohio |
| 30 | Clara Knopf | 42 | Lodger | Shoe Worker | Ohio |
| 31 | Lillian Knopf | 42 | Lodger | Shoe Worker | Ohio |
| 32 | Leslie C. Davis | 42 | Head | Proprietor | Ohio |
| 33 | Lydia C. Davis | 42 | Wife-H | — | Ohio |
| 34 | Lydia C. Davis | 5 | Daughter | — | Ohio |
| 35 | Leslie C. Davis | 2 | Son | — | Ohio |
| 36 | Marilyn Davis | 0 | Daughter | — | Ohio |
| 37 | Albert J. Schmider | 33 | Head | Packer | Michigan |
| 38 | Bertha A. Schmider | 34 | Wife-H | — | Ohio |
| 39 | Francis Burghart | 72 | Mother-in-law | — | Germany |
| 40 | <End> | None | — | — | — |
Pedigree Summary
Robert + 2 siblings
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 1930 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)