RJ
Robert Johnston — 1940 US Census Record
Model Tree available1940 United States Federal Census · Franklin-County, Ohio
Our Model Tree links this Robert Johnston across the 1920, 1930 and 1940 US Censuses in Franklin-County, Ohio (XGBoost, ~Confirmed), with identified parents Harry & Sarah — first a son (b.~1919), then head of a 2-person household.
Age 21
b. ~1919
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Ohio |
| Surname | Johnston |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Columbus |
| 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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Sarah Johnston | Head | — | 56 | ~1884 |
| Robert Johnston | Son | — | 21 | ~1919 |
Census Appearances
1920
Franklin, Ohio
Son, age 1
Franklin, Ohio · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Robert E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | England |
| Occupation | none |
| Mother Tongue | English |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Franklin, Ohio
Son, age 11
Franklin, Ohio · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Robert W. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Franklin-County, Ohio
Son, age 21
Franklin-County, Ohio · implied b. ~1919 — 2 household members
| Surname | Johnston |
| Given Name | Robert W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Hours Worked | 6 |
| Income (1939) | 0 |
| 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 Johnston across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Johnston (~0.92 confidence) and mother Sarah Johnston (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Johnston
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Sarah Johnston
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Johnston
Son · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
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
31 people indexed on this census page (nara:1940:m-t0627-03246-00123)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Harry W. Dull | 44 | Head | Mechanic | Ohio |
| 3 | Blanche M. Dull | 37 | Wife | — | Ohio |
| 4 | Runyan, David E. Dull | 15 | Son | — | Ohio |
| 5 | Margaret N. Morris | 62 | Head | — | Ohio |
| 6 | Bertha Duggan | 56 | Sister | Binder | Ohio |
| 7 | James G. Parr | 58 | Brother | Banker | Ohio |
| 8 | Joseph E. Parr | 27 | Lodger | Number Writer | Ohio |
| 9 | Lella Russell | 35 | Lodger | — | W Va |
| 10 | Nancy A. Monovally | 69 | Head | — | N.Y. |
| 11 | Irene D. Witherspoon | 43 | Head | — | Ohio |
| 12 | Thomas W. Witherspoon | 11 | Son | — | Ohio |
| 13 | Robert T. Witherspoon | 9 | Son | — | Ohio |
| 14 | Sarah E. Johnston | 56 | Head | Bakery Clerk | England |
| 15 | Robert W. Johnston THIS PERSON | 21 | Son | — | Ohio |
| 16 | Clyde E. Hattle | 47 | Head | Bookkeeper | Ohio |
| 17 | Beatrice C. Hattle | 33 | Wife | Stenographer | Ohio |
| 18 | Robert O. Kirby | 13 | Step-son | — | Ohio |
| 19 | William H. Brackett | 66 | Head | Carpenter | Ohio |
| 20 | Mary B. Brackett | 64 | Wife | — | Ohio |
| 21 | Lilly Mallow | 55 | Lodger | — | Ohio |
| 22 | Paul J. Geary | 36 | Head | Salesman | Indiana |
| 23 | Ruth M. Geary | 35 | Wife | — | Ohio |
| 24 | Carrie A. Jackson | 55 | Head | — | Ky |
| 25 | Charley C. Reineholy | 55 | Lodger | Brakeman | Ohio |
| 26 | Nell Lee Reineholy | 50 | Lodger | — | Ohio |
| 27 | Foster F. Houser | 57 | Head | Labor Foreman | Ohio |
| 28 | Jane A. Houser | 55 | Wife | — | Ohio |
| 29 | Richard Blaty | 20 | Lodger | — | Penn |
| 30 | Fred R. Moritz | 35 | Head | Sales Supt | Ohio |
| 31 | Dorothy Moritz | 34 | Wife | Glass Finisher | Ohio |
| 32 | Barbara Moritz | 73 | Head | — | Hungary |
Pedigree Summary
Robert
Gen 1 · 2 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)