WD
William Duncan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Seminole, Oklahoma
Our Model Tree links this William Duncan across the 1910, 1920 and 1930 US Censuses in Seminole, Oklahoma (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 5-person household.
Age 63
b. ~1867
Male
Head
Born: Arkansas
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Seminole, Oklahoma |
| Surname | Duncan |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Arkansas |
| Age at First Marriage | 22 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Occupation | Farmer |
| Township / Ward | Konawa Township |
| Est. Birth Year | ~1867 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Oleta Duncan | Daughter | — | 16 | ~1914 |
| William Duncan | Head | — | 63 | ~1867 |
| Madora Duncan | Other | — | 57 | ~1873 |
| Andrew Duncan | Son | — | 11 | ~1919 |
| William Duncan | Son | — | 7 | ~1923 |
Census Appearances
1910
Seminole, Oklahoma
Head, age 44
Seminole, Oklahoma · implied b. ~1866 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Arkansas |
| Years Married | 16 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Georgia |
| Occupation | Farmer |
| Industry | General farm |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1920
Seminole, Oklahoma
Head, age 52
Seminole, Oklahoma · implied b. ~1868 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Will M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Arkansas |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Georgia |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1930
Seminole, Oklahoma
Head, age 63
Seminole, Oklahoma · implied b. ~1867 — 5 household members
| Surname | Duncan |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Arkansas |
| Age at First Marriage | 22 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Georgia |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
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 William Duncan across 3 US Census years (1910, 1920 and 1930) in Seminole, Oklahoma, using XGBoost record linkage.
Show:
This person
Anchor record
William Duncan
Head · 1930 · age 63 · b. ~1867 · Oklahoma
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Seminole, Oklahoma
Open full size
1930 US Federal Census — Seminole, Oklahoma
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1930unit:0560)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | L. Lohman | 14 | Daughter | — | Oklahoma |
| 2 | Alice N. Lohman | 10 | Son | — | Oklahoma |
| 3 | Marguerite L. Lohman | 8 | Daughter | — | Oklahoma |
| 4 | Kenneth R. Lohman | 4 | Son | — | Oklahoma |
| 5 | Catherine J. Lohman | 1 | Daughter | — | Oklahoma |
| 6 | John P. Hendrick | 55 | Head | Farmer | Arkansas |
| 7 | Annie F. Hendrick | 49 | Wife-H | — | Texas |
| 8 | Virgie B. Hendrick | 28 | Daughter | — | Oklahoma |
| 9 | Myrtle W. Hendrick | 23 | Daughter | — | Oklahoma |
| 10 | Robert L. Hendrick | 17 | Son | — | Oklahoma |
| 11 | Oleta A. Hendrick | 15 | Daughter | — | Oklahoma |
| 12 | Gene J. Hendrick | 3 | Son | — | Oklahoma |
| 13 | Eliza E. Hendrick | 73 | Mother | — | Georgia |
| 14 | George M. Barnhardt | 44 | Head | Farmer | Texas |
| 15 | Harvey Barnhardt | 13 | Son | — | Oklahoma |
| 16 | Vera Barnhardt | 10 | Daughter | — | Oklahoma |
| 17 | Hiram F. Scaggs | 45 | Head | Farmer | Texas |
| 18 | Nancy S. Scaggs | 44 | Wife-H | — | Texas |
| 19 | Thelma Scaggs | 18 | Daughter | — | Oklahoma |
| 20 | Shirley C. Scaggs | 15 | Son | — | Oklahoma |
| 21 | Winston H. Scaggs | 7 | Son | — | Oklahoma |
| 22 | Maggie R. Scaggs | 2 | Daughter | — | Oklahoma |
| 23 | John D. Waters | 33 | Head | Farmer | Arkansas |
| 24 | Ola M. Waters | 31 | Wife-H | — | Missouri |
| 25 | Edmon H. Waters | 14 | Son | — | Oklahoma |
| 26 | James H. Waters | 11 | Son | — | Oklahoma |
| 27 | Myron R. Waters | 8 | Son | — | Oklahoma |
| 28 | Carl R. Waters | 19 | Brother | Laborer | Oklahoma |
| 29 | Fred Haford | 57 | Head | Laborer | Alabama |
| 30 | George M. Winfield | 70 | Head | Farmer | Louisiana |
| 31 | Angeline Winfield | 52 | Wife-H | — | Alabama |
| 32 | John Winfield | 22 | Son | Operator | Oklahoma |
| 33 | James Eisala | 25 | Head | Laborer | Oklahoma |
| 34 | Wyota Eisala | 20 | Wife-H | — | Oklahoma |
| 35 | Oliver Akerman | 62 | Head | Farmer | Alabama |
| 36 | Josie Akerman | 52 | Wife-H | — | Oklahoma |
| 37 | Henry Reed | 65 | Head | Laborer | Arkansas |
| 38 | Addie Reed | 44 | Wife-H | — | Texas |
| 39 | J. B. Reed | 7 | Son | — | Oklahoma |
| 40 | Rosetta Reed | 3 | Daughter | — | Oklahoma |
| 41 | John W. Good | 69 | Head | Farmer | Texas |
| 42 | Evelyn E. Good | 50 | Wife-H | — | New York |
| 43 | Earnest E. Good | 21 | Son | Laborer | Texas |
| 44 | Evelyn J. Good | 19 | Daughter | — | Oklahoma |
| 45 | William H. Duncan THIS PERSON | 63 | Head | Farmer | Arkansas |
| 46 | Madora Duncan | 57 | Wife-H | — | Arkansas |
| 47 | Oleta F. Duncan | 16 | Daughter | — | Oklahoma |
| 48 | Andrew J. Duncan | 11 | Son | — | Oklahoma |
| 49 | William H. Duncan | 7 | Son | — | Oklahoma |
| 50 | John E. Wright | 48 | Head | Farmer | Texas |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)