RD
Robert Duncan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Mayes, Oklahoma
Our Model Tree links this Robert Duncan across the 1910 and 1920 US Censuses in Mayes, Oklahoma (XGBoost, ~Confirmed) — first a son (b.~1893), then head of a 9-person household.
Age 27
b. ~1893
Male
Son
Born: Oklahoma
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Mayes, Oklahoma |
| Surname | Duncan |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | American Indian |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | Oklahoma |
| Additional Details | |
| Occupation | Farmer |
| Industry | Laborer |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Farmer |
| Township / Ward | Bryan Township Precinct One |
| Est. Birth Year | ~1893 |
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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| White Duncan | Son | — | 22 | ~1898 |
| John Duncan | Head | — | 59 | ~1861 |
| Duggh Duncan | Son | — | 14 | ~1906 |
| Guy Duncan | Son | — | 7 | ~1913 |
| Lizzie Duncan | Spouse | — | 46 | ~1874 |
| Walter Duncan | Son | — | 19 | ~1901 |
| John Duncan | Son | — | 12 | ~1908 |
| Mary Duncan | Daughter | — | 17 | ~1903 |
| Robert Duncan | Son | — | 27 | ~1893 |
Census Appearances
1910
Mayes, Oklahoma
Son, age 17
Mayes, Oklahoma · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Robert S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | American Indian |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | Oklahoma |
| Occupation | Farm laborer |
| Industry | Home farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1920
Mayes, Oklahoma
Son, age 27
Mayes, Oklahoma · implied b. ~1893 — 9 household members
| Surname | Duncan |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | American Indian |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Oklahoma |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | Oklahoma |
| Occupation | Farmer |
| Industry | Laborer |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Duncan across 2 US Census years (1910 and 1920) in Mayes, Oklahoma, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Duncan
Son · 1920 · age 27 · b. ~1893 · Oklahoma
★ You are viewing this record
Sibling
Duggh Duncan
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Duncan
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
White Duncan
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Guy Duncan
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Duncan
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Duncan
Sibling · 1920 · age 17
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
1920 US Federal Census — Mayes, Oklahoma
Open full size
1920 US Federal Census — Mayes, Oklahoma
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1472unit:0949)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Betay Betay | 9 | Daughter | — | Oklahoma |
| 2 | Lizzie Betay | 7 | Daughter | — | Oklahoma |
| 3 | Bulah Betay | 2 | Daughter | — | Oklahoma |
| 4 | Jess Drywater | 68 | Head | Farmer | Oklahoma |
| 5 | Lydia Drywater | 34 | Wife | — | Oklahoma |
| 6 | Ira Webster | 61 | Head | Farmer | Missouri |
| 7 | Mary S. Webster | 59 | Wife | — | Missouri |
| 8 | James H. Webster | 25 | Son | Farmer | Missouri |
| 9 | Oscar Webster | 22 | Son | Farmer | Missouri |
| 10 | Edna Webster | 17 | Daughter | — | Missouri |
| 11 | E. Roy Webster | 14 | Son | — | Missouri |
| 12 | John G. Duncan | 59 | Head | Farmer | Oklahoma |
| 13 | Robert Duncan THIS PERSON | 27 | Son | Farmer | Oklahoma |
| 14 | White Duncan | 22 | Son | Farmer | Oklahoma |
| 15 | Walter Duncan | 19 | Son | Farmer | Oklahoma |
| 16 | Mary Duncan | 17 | Daughter | Farmer | Oklahoma |
| 17 | Duggh Duncan | 14 | Son | Farmer | Oklahoma |
| 18 | John H. Duncan | 12 | Son | — | Oklahoma |
| 19 | Guy S. Duncan | 7 | Son | — | Oklahoma |
| 20 | Lizzie E. Duncan | 46 | Wife | — | Oklahoma |
| 21 | L. Link Loper | 52 | Head | Farmer | Missouri |
| 22 | Nancy Loper | 43 | Wife | — | Kentucky |
| 23 | Trilly Loper | 12 | Daughter | — | Kansas |
| 24 | Clyde Loper | 11 | Son | — | Missouri |
| 25 | Audra Loper | 7 | Daughter | — | Missouri |
| 26 | Alta A. Johnston | 43 | Head | Merchant | Missouri |
| 27 | Elizabeth Johnston | 12 | Daughter | — | Oklahoma |
| 28 | Roy D. Jones | 32 | Head | Farmer | Texas |
| 29 | Cathaleen Jones | 20 | Wife | — | Oklahoma |
| 30 | John F. Pitts | 30 | Head | Farmer | Missouri |
| 31 | Bertha Pitts | 29 | Wife | — | Missouri |
| 32 | Ira Pitts | 8 | Daughter | — | Arkansas |
| 33 | Guy L. Pitts | 6 | Son | — | Oklahoma |
| 34 | Stephen Pitts | 5 | Son | — | Oklahoma |
| 35 | Edna G. Pitts | 1 | Daughter | — | Oklahoma |
| 36 | Frank D. Hudson | 60 | Head | Retired | Tennessee |
| 37 | Sarah Hudson | 58 | Wife | — | Missouri |
| 38 | Alexander Ring | 37 | Head | Farmer | Arkansas |
| 39 | E. Paul C. Ring | 13 | Son | — | Missouri |
| 40 | Sherman D. Ring | 12 | Son | — | Missouri |
| 41 | Hazel L. Ring | 10 | Daughter | — | Missouri |
| 42 | Marie I. Ring | 9 | Daughter | — | Oklahoma |
| 43 | Annie P. Ring | 7 | Daughter | — | Oklahoma |
| 44 | Truman Ring | 5 | Son | — | Oklahoma |
| 45 | Ira W. Ring | 4 | Son | — | Oklahoma |
| 46 | Pearl N. Ring | 3 | Daughter | — | Oklahoma |
| 47 | Thelma I. Ring | 1 | Daughter | — | Oklahoma |
| 48 | Clint Thompson | 44 | Head | Farmer | Oklahoma |
| 49 | Iola Thompson | 32 | Wife | — | Texas |
| 50 | Vada Thompson | 13 | Daughter | — | Oklahoma |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)