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Robert Williamson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clermont-County, Ohio
Our Model Tree links this Robert Williamson across the 1920, 1930 and 1940 US Censuses in Clermont-County, Ohio (XGBoost, ~Confirmed), with identified parents William & Wm — first a son (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clermont-County, Ohio |
| Surname | Williamson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Clermont |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 432 |
| Highest Grade | H-4 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Farm Laborer |
| Township / Ward | Stonelick Township |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| Rosalie Williamson | Daughter | — | 13 | ~1927 |
| William Williamson | Head | — | 55 | ~1885 |
| Rosa Williamson | Spouse | — | 54 | ~1886 |
| Robert Williamson | Son | — | 24 | ~1916 |
| Thomas Williamson | Son | — | 19 | ~1921 |
| Catherine Williamson | Daughter | — | 15 | ~1925 |
Census Appearances
1920
Clermont, Ohio
Son, age 4
Clermont, Ohio · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Clermont, Ohio
Son, age 14
Clermont, Ohio · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Clermont-County, Ohio
Son, age 24
Clermont-County, Ohio · implied b. ~1916 — 6 household members
| Surname | Williamson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Clermont |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 432 |
| Highest Grade | H-4 |
| 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 Williamson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Williamson (~0.92 confidence) and father Wm Williamson (~0.92 confidence) and mother Ada Williamson (~0.92 confidence) and mother Rosie Williamson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Williamson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Wm Williamson
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Ada Williamson
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Rosie Williamson
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Williamson
Son · 1940 · age 24 · b. ~1916 · Ohio
★ You are viewing this record
Sibling
Catherine Williamson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Williamson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosalie Williamson
Sibling · 1940 · age 13
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 — Clermont-County, Ohio
Open full size
1940 US Federal Census — Clermont-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03041-00585)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Williamson | 55 | Head | Farmer | Ohio |
| 42 | Rosa Williamson | 54 | Wife | — | Ohio |
| 43 | Robert Williamson THIS PERSON | 24 | Son | Farm Laborer | Ohio |
| 44 | Thomas Williamson | 19 | Son | Road Worker | Ohio |
| 45 | Catherine Williamson | 15 | Daughter | — | Ohio |
| 46 | Rosalie Williamson | 13 | Daughter | — | Ohio |
| 47 | Charles Birdsall | 29 | Head | Laborer | Ohio |
| 48 | Allie A. Birdsall | 27 | Wife | — | Kentucky |
| 49 | Loretta Birdsall | 5 | Daughter | — | Ohio |
| 50 | William F. Brossart | 48 | Head | Clerk | Ohio |
| 51 | Elsie D. Brossart | 37 | Wife | — | Kentucky |
| 52 | Betty Brossart | 19 | Daughter | — | Ohio |
| 53 | William A. Brossart | 13 | Son | — | Ohio |
| 54 | Robert H. Brossart | 10 | Son | — | Ohio |
| 55 | James C. Brossart | 8 | Son | — | Kentucky |
| 56 | Josiah Brown | 36 | Head | Farm Laborer | Ohio |
| 57 | Velma D. Brown | 37 | Wife | — | Ohio |
| 58 | Clarence Brown | 17 | Son | Farmer | Ohio |
| 59 | Virginia Brown | 16 | Daughter | — | Ohio |
| 60 | Agnes Brown | 15 | Daughter | — | Ohio |
| 61 | Junior Brown | 13 | Son | — | Ohio |
| 62 | Elaine Brown | 5 | Daughter | — | Ohio |
| 63 | Lawrence D. Titus | 24 | Head | Machinist | Ohio |
| 64 | Elnera Titus | 22 | Wife | — | Ohio |
| 65 | Larry Titus | 3 | Son | — | Ohio |
| 66 | George Stout | 63 | Head | Farmer | Kentucky |
| 67 | Ethel Stout | 60 | Wife | — | Kentucky |
| 68 | Robert G. Stout | 13 | Son | — | Ohio |
| 69 | Lewis Latchford | 45 | Head | Laborer | Ohio |
| 70 | Mary D. Latchford | 33 | Wife | — | Ohio |
| 71 | Earl Latchford | 7 | Son | — | Ohio |
| 72 | Clifford Latchford | 4 | Son | — | Ohio |
| 73 | Doris Latchford | 2 | Daughter | — | Ohio |
| 74 | Betty Lou Latchford | 1 | Daughter | — | Ohio |
| 75 | Arthur D. Ogden | 51 | Head | Plasterer Bricklayer | Ohio |
| 76 | Jean Ogden | 42 | Wife | — | Alabama |
| 77 | Berton Ogden | 17 | Son | — | Ohio |
| 78 | June Ogden | 15 | Daughter | — | Ohio |
| 79 | Norma Ogden | 13 | Daughter | — | Ohio |
| 80 | Kenneth Ogden | 13 | Son | — | Ohio |
Pedigree Summary
Robert + 3 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 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)