WD
William Duncan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Worcester-County, Maryland
Our Model Tree links this William Duncan across the 1920, 1930 and 1940 US Censuses in Worcester-County, Maryland (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 4-person household.
Age 74
b. ~1866
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Maryland |
| Surname | Duncan |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Pocomoke |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | Cabinetmaker |
| Industry | Dealer |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 156 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Cabinetmaker |
| Township / Ward | Pocomoke |
| Est. Birth Year | ~1866 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Grace Duncan | Daughter | — | 44 | ~1896 |
| William Duncan | Head | — | 74 | ~1866 |
| Martha Taylor | Other | — | 55 | ~1885 |
| Florence Duncan | Spouse | — | 70 | ~1870 |
Census Appearances
1920
Worcester, Maryland
Head, age 52
Worcester, Maryland · implied b. ~1868 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | William B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Owner |
| Industry | Lumber Mill |
| Class of Worker | Oa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Worcester, Maryland
Head, age 63
Worcester, Maryland · implied b. ~1867 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | William B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 21 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4500 |
| Radio Set | R |
| Veteran | No |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Worcester-County, Maryland
Head, age 74
Worcester-County, Maryland · implied b. ~1866 — 4 household members
| Surname | Duncan |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Pocomoke |
| 1935 Residence (County) | Worcester |
| Occupation | Cabinetmaker |
| Industry | Dealer |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 156 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Duncan
Head · 1940 · age 74 · b. ~1866 · Maryland
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Worcester-County, Maryland
Open full size
1940 US Federal Census — Worcester-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01564-00060)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Madge Bayley | 19 | Daughter | — | Maryland |
| 42 | James Conaway | 63 | Head | — | Virginia |
| 43 | Mary Conaway | 60 | Wife | — | Maryland |
| 44 | Word Conaway | 23 | Daughter | — | Maryland |
| 45 | Louise Conaway | 17 | Daughter | — | Maryland |
| 46 | Loury Goswellin | 33 | Head | Cutting Lumber | Maryland |
| 47 | Gladis Goswellin | 25 | Wife | — | Pennsylvania |
| 48 | Charles Goswellin | 6 | Daughter | — | Maryland |
| 49 | Francis Goswellin | 4 | Daughter | — | Maryland |
| 50 | Ruth Goswellin | 2 | Daughter | — | Maryland |
| 51 | Marie Goswellin | 1 | Son | — | Maryland |
| 52 | Harold Truitt | 32 | Head | Laborer | Virginia |
| 53 | Louise Truitt | 32 | Wife | Ironer | Maryland |
| 54 | Eliz Truitt | 11 | Son | — | Virginia |
| 55 | Altheia Truitt | 4 | Daughter | — | Virginia |
| 56 | James Gardner | 31 | Head | — | Virginia |
| 57 | Grace Gardner | 28 | Wife | Examiner | Maryland |
| 58 | Bessie Marshall | 37 | Head | Helper | Virginia |
| 59 | Martha Marshall | 14 | Daughter | — | Virginia |
| 60 | Virginia Marshall | 12 | Daughter | — | Virginia |
| 61 | William Duncan THIS PERSON | 74 | Head | Cabinetmaker | Virginia |
| 62 | Florence Duncan | 70 | Wife | — | Virginia |
| 63 | Grace Duncan | 44 | Daughter | Bookkeeper | Virginia |
| 64 | Martha Taylor | 55 | Sister | — | Virginia |
| 65 | Marion Duncan | 47 | Head | Saw Mill | Virginia |
| 66 | Doris Duncan | 40 | Wife | — | Maryland |
| 67 | Call Henderson | 80 | Head | — | Maryland |
| 68 | Mary Cator | 77 | House Keeper | — | Maryland |
| 69 | John Trayer | 69 | Head | — | Maryland |
| 70 | Sophia Trayer | 70 | Wife | — | Maryland |
| 71 | Mary Burton | 79 | Head | — | Maryland |
| 72 | Clifford Burton | 39 | Son | Salesman | Maryland |
| 73 | Harry Cohen | 39 | Head | Shoe Maker | Russia |
| 74 | Dora Cohen | 35 | Wife | — | Russia |
| 75 | Melvin Dryman | 31 | Head | Machinist | Virginia |
| 76 | Mildred Dryman | 30 | Wife | Washing | Maryland |
| 77 | Edward Dryman | 13 | Son | — | Maryland |
| 78 | Laura May Dryman | 9 | Daughter | — | Maryland |
| 79 | Kenneth Dryman | 7 | Son | — | Maryland |
| 80 | Marie Dryman | 4 | Daughter | — | Maryland |
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)