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Robert Williamson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, New York
Our Model Tree links this Robert Williamson across the 1920, 1930 and 1940 US Censuses in Delaware-County, New York (XGBoost, ~Confirmed), with identified parents T — first a head (b.~1885), then head of a 3-person household.
Age 55
b. ~1885
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, New York |
| Surname | Williamson |
| Given Name | Robert S. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Kortright Town |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | farmer |
| Industry | dairying |
| Class of Worker | E |
| Hours Worked | 75 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Farmer |
| Township / Ward | Kortright Town |
| Est. Birth Year | ~1885 |
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 |
|---|---|---|---|---|
| Dorothy Williamson | Daughter | — | 25 | ~1915 |
| Robert Williamson | Head | — | 55 | ~1885 |
| Selena Williamson | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Delaware, New …
Son, age 35
Delaware, New York · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | Robert G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Farmer |
| Industry | Dairy Farm |
| Class of Worker | O |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Delaware, New …
Head, age 45
Delaware, New York · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 23 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Farmer |
| Industry | Dairy Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Delaware-County, New …
Head, age 55
Delaware-County, New York · implied b. ~1885 — 3 household members
| Surname | Williamson |
| Given Name | Robert S. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Kortright Town |
| 1935 Residence (County) | Delaware |
| Occupation | farmer |
| Industry | dairying |
| Class of Worker | E |
| Hours Worked | 75 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 T Williamson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
T Williamson
b. ~1859
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Williamson
Head · 1940 · age 55 · b. ~1885 · New York
★ 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 — Delaware-County, New York
Open full size
1940 US Federal Census — Delaware-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02521-00604)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Grace C. Macaluso | 13 | daughter | — | New York |
| 42 | Andrew S. Joslin | 50 | head | Laborer | New York |
| 43 | Cassie B. Joslin | 50 | wife | — | New York |
| 44 | Ferris Joslin | 14 | son | — | New York |
| 45 | Paul A. Joslin | 13 | son | — | New York |
| 46 | Theodora Joslin | 12 | daughter | — | New York |
| 47 | Irving J. Coon | 57 | head | Farmer | New York |
| 48 | Jennie Coon | 57 | wife | — | Ireland |
| 49 | John S. Quigley | 50 | head | Farmer | New York |
| 50 | Iva M. Quigley | 50 | wife | — | New York |
| 51 | John S. Quigley | 19 | son | Laborer | New York |
| 52 | Doreen A. Quigley | 17 | daughter | Laborer | New York |
| 53 | Howard E. Quigley | 15 | son | Laborer | New York |
| 54 | Edgar L. Woomer | 24 | hired man | Laborer | Pennsylvania |
| 55 | Mary E. Cleveland | 73 | head | — | New York |
| 56 | Jessie E. Haynes | 46 | daughter | Proprietress | New York |
| 57 | Pearl V. Haynes | 14 | grand daughter | — | New York |
| 58 | Wilbur C. Haynes | 12 | grand son | — | New York |
| 59 | Bruce E. Sheldon | 31 | foreman | Farmer | Iowa |
| 60 | Arlie E. Grocott | 20 | hired man | Farm Hand | New York |
| 61 | Reginald J. Kelly | 20 | hired man | Farm Hand | New York |
| 62 | De Alt Brakewell | 49 | hired man | Farm Hand | New York |
| 63 | Luther B. Hopson | 31 | head | Farmer | New York |
| 64 | Mary J. Hopson | 32 | wife | — | New York |
| 65 | Mary R. Hopson | 5 | daughter | — | New York |
| 66 | Francis J. Hopson | 1 | son | — | New York |
| 67 | Leslie H. Bates | 71 | head | Farmer | New York |
| 68 | Flora M. Bates | 67 | wife | — | New York |
| 69 | Clayton L. Moore | 28 | hired man | Farm Hand | New York |
| 70 | Roxy B. Murphy | 65 | lodger | — | New York |
| 71 | William E. Ploutz | 52 | head | Farmer | New York |
| 72 | Ivan D. Ploutz | 23 | nephew | Farmer | New York |
| 73 | Florence E. Ploutz | 19 | niece | — | New York |
| 74 | Betty D. Ploutz | 1 | grand-niece | — | New York |
| 75 | Adolph Due | 40 | hired man | Farmer | Denmark |
| 76 | Eugene F. Smith | 31 | head | Farmer | New York |
| 77 | Margaret B. Smith | 25 | wife | — | New York |
| 78 | Robert S. Williamson THIS PERSON | 55 | head | Farmer | New York |
| 79 | Selena J. Williamson | 55 | wife | — | New York |
| 80 | Dorothy J. Williamson | 25 | daughter | — | New York |
Pedigree Summary
Robert
Gen 1 · 1 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)