RJ
Robert Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Franklin-County, Ohio
Our Model Tree links this Robert Jackson across the 1920, 1930 and 1940 US Censuses in Franklin-County, Ohio (XGBoost, ~Confirmed), with identified parents Elmer & S — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Ohio |
| Surname | Jackson |
| Given Name | Robert M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus City |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Flour Mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 210 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Bookkeeper |
| Township / Ward | Columbus City |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Grace Jackson | Daughter | — | 32 | ~1908 |
| Elmer Jackson | Head | — | 64 | ~1876 |
| Robert Jackson | Son | — | 23 | ~1917 |
Census Appearances
1920
Franklin, Ohio
Son, age 3
Franklin, Ohio · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Robert M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Franklin, Ohio
Son, age 13
Franklin, Ohio · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Robert M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Franklin-County, Ohio
Son, age 23
Franklin-County, Ohio · implied b. ~1917 — 3 household members
| Surname | Jackson |
| Given Name | Robert M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus City |
| 1935 Residence (County) | Franklin |
| Occupation | Bookkeeper |
| Industry | Flour Mill |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 210 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| 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 Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Elmer Jackson (~0.92 confidence) and father S Jackson (~0.92 confidence) and father Robert Jackson (~0.92 confidence) and mother Elinor Jackson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Elmer Jackson
b. ~1876
Source father
● Household
· direct · ~0.92
Father
S Jackson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Robert Jackson
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Elinor Jackson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Jackson
Son · 1940 · age 23 · b. ~1917 · Ohio
★ You are viewing this record
Sibling
Grace Jackson
Sibling · 1940 · age 32
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 — Franklin-County, Ohio
Open full size
1940 US Federal Census — Franklin-County, Ohio
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03242-00386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary E Madden | 22 | Wife | — | Ohio |
| 42 | Croy L Wilson | 28 | Head | Acetylene Cutter | Kentucky |
| 43 | Marjorie H Wilson | 19 | Wife | — | Ohio |
| 44 | William H Marks | 45 | Head | Claims Examiner | Ohio |
| 45 | Birdie B Marks | 32 | Wife | — | Kentucky |
| 47 | Virgil E Cramer | 28 | Head | Plumbers Helper | Ohio |
| 48 | Eunice Cramer | 29 | Wife | — | Ohio |
| 49 | Guy W Cramer | 40 | Head | Casket Liner | Ohio |
| 50 | Anita G Belcamp | 24 | Head | Waitress | Ohio |
| 51 | Bert W Hoell | 57 | Head | Carpenter | Ohio |
| 52 | Grace F Hoell | 52 | Wife | — | Ohio |
| 53 | Dencell R Ivory | 25 | Head | Credit Man | Kentucky |
| 54 | Harriet E Ivory | 27 | Wife | — | Ohio |
| 55 | Rosemary Ivory | 3 | Daughter | — | Ohio |
| 56 | Dencell R Ivory | 0 | Son | — | Ohio |
| 57 | J Allan Shiner | 27 | Head | Milkman | Ohio |
| 58 | Thelma L Shiner | 26 | Wife | — | Ohio |
| 59 | Elmer W Jackson | 64 | Head | — | Ohio |
| 60 | Robert M Jackson THIS PERSON | 23 | Son | Bookkeeper | Ohio |
| 61 | Grace R Jackson | 32 | Daughter | — | Ohio |
| 62 | James H Joyner | 37 | Head | Club Manager | Indiana |
| 63 | Emma V Joyner | 38 | Wife | — | Virginia |
| 65 | Sanford H Hallock | 59 | Head | Salesman | New York |
| 66 | Irene W Hallock | 56 | Wife | Manager | Illinois |
| 67 | Sanford H Hallock | 17 | Son | — | Ohio |
| 68 | Carrie A Wolfersberger | 75 | Mother-in-law | — | Illinois |
| 69 | Isaac C Tipton | 76 | Head | — | Virginia |
| 70 | Annie L Tipton | 48 | Daughter | — | Indiana |
| 71 | Charles H Bowen | 44 | Head | Furniture Dealer | Ohio |
| 72 | Virginia L Bowen | 40 | Wife | — | W. Virginia |
| 73 | Charles L Bowen | 15 | Son | — | Ohio |
| 74 | Catherine J Bowen | 10 | Daughter | — | Ohio |
| 75 | Janet A Bowen | 8 | Daughter | — | Ohio |
| 76 | Ollie J Tackett | 62 | Boarder | — | W. Virginia |
| 77 | Georgia L Ripple | 24 | Head | Hardware Clerk | Ohio |
| 78 | Dorothy L Ripple | 23 | Wife | Billing Clerk | Ohio |
| 79 | Joseph A Day | 68 | Head | Manager | Ohio |
| 80 | Anna J Day | 63 | 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)