RN
Robert Nichols — 1940 US Census Record
Model Tree available1940 United States Federal Census · Franklin-County, Ohio
Our Model Tree links this Robert Nichols across the 1920, 1930 and 1940 US Censuses in Franklin-County, Ohio (XGBoost, ~Confirmed), with identified parents Robert & Margaret — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Franklin-County, Ohio |
| Surname | Nichols |
| Given Name | Robert L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Additional Details | |
| Occupation | Helper |
| Industry | Bakery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | C-3 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Helper |
| Township / Ward | Columbus |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Jo Nichols | Daughter | — | 16 | ~1924 |
| James Nichols | Son | — | 12 | ~1928 |
| Margaret Nichols | Spouse | — | 42 | ~1898 |
| Robert Nichols | Son | — | 22 | ~1918 |
Census Appearances
1920
Franklin, Ohio
Son, age 1
Franklin, Ohio · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Franklin, Ohio
Son, age 12
Franklin, Ohio · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Robert S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Ohio |
| Occupation | none |
| 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 — 4 household members
| Surname | Nichols |
| Given Name | Robert L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Columbus |
| 1935 Residence (County) | Franklin |
| Occupation | Helper |
| Industry | Bakery |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | C-3 |
| 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 Nichols across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Nichols (~0.92 confidence) and mother Margaret Nichols (~0.92 confidence) and mother Margaret Nichols (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Nichols
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Margaret Nichols
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Margaret Nichols
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Nichols
Son · 1940 · age 22 · b. ~1918 · Ohio
★ You are viewing this record
Sibling
Jo Nichols
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Nichols
Sibling · 1940 · age 12
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
39 people indexed on this census page (nara:1940:m-t0627-03246-00264)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret L Nichols | 42 | Wife | — | Ohio |
| 42 | Robert L Nichols THIS PERSON | 22 | Son | Helper | Ohio |
| 43 | Jo Haune Nichols | 16 | Daughter | — | Ohio |
| 44 | James R Nichols | 12 | Son | — | Ohio |
| 45 | Thomas R Morris | 34 | Head | Office Manager | Ohio |
| 46 | Mary B Morris | 32 | Wife | Saleslady | Ohio |
| 47 | Paul R Anderson | 39 | Head | Salesman | Tenn |
| 48 | Gladys M Anderson | 38 | Wife | — | Kentucky |
| 49 | John H Anderson | 16 | Son | — | Kentucky |
| 50 | Paul R Anderson | 12 | Son | — | Ohio |
| 51 | Stephen H Anderson | 7 | Son | — | Ohio |
| 52 | William Sontreider | 47 | Head | Attorney | Ohio |
| 53 | Frieda Sontreider | 47 | Wife | — | Ohio |
| 54 | William H Sontreider | 15 | Son | — | Ohio |
| 55 | Herbert H Sontreider | 12 | Son | — | New Mexico |
| 56 | Richard R Sontreider | 10 | Son | — | New Mexico |
| 57 | Samuel J Wilkis | 57 | Head | Deputy Auditor | Ohio |
| 58 | Hodie H Wilkis | 55 | Wife | — | Ohio |
| 59 | Arthur C Forbes | 55 | Head | Freight Conductor | Virginia |
| 60 | Anna C Forbes | 58 | Wife | — | West Virginia |
| 61 | Arthur L Forbes | 19 | Son | — | Ohio |
| 62 | Cecil O Burke | 46 | Head | Hydraulic Engineer | Ohio |
| 63 | Hazel K Burke | 42 | Wife | — | Pennsylvania |
| 64 | Udell F Pennell | 22 | Head | Salesman | Ohio |
| 65 | Evelyn Y Pennell | 20 | Wife | — | Pennsylvania |
| 66 | Charles E Pennell | 2 | Grand-Son | — | Ohio |
| 67 | Louis B Roberts | 51 | Head | Express Messenger | Ohio |
| 68 | Jessie L Roberts | 43 | Wife | Stenographer | Ohio |
| 69 | William D Hawe | 37 | Head | Sales Manager | Pennsylvania |
| 70 | Carolyn M Hawe | 36 | Wife | — | New York |
| 71 | William B Hawe | 11 | Son | — | Minnesota |
| 72 | David L Hawe | 2 | Son | — | Ohio |
| 73 | Mary L Hassig | 58 | Mother-in-law | — | New York |
| 74 | Herbert P Rhoads | 60 | Head | Route Manager | Ohio |
| 75 | Mamie E Rhoads | 58 | Wife | — | Ohio |
| 76 | Philip L Rhoads | 29 | Son | Baker Helper | Ohio |
| 77 | Donald P Rhoads | 3 | Grand-Son | — | Ohio |
| 78 | Ella J Bostwick | 48 | Sister-in-law | Clerk | Ohio |
| 80 | John C White | 56 | Head | Gen. Bus. Agent | Ohio |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 3 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)