WD
William Duncan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Orleans-County, Louisiana
Our Model Tree links this William Duncan across the 1920, 1930 and 1940 US Censuses in Orleans-County, Louisiana (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 3-person household.
Age 57
b. ~1883
Male
Head
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Orleans-County, Louisiana |
| Surname | Duncan |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans |
| Additional Details | |
| Occupation | laborer |
| Industry | levee board |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 1000 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Laborer |
| Township / Ward | New Orleans City |
| Est. Birth Year | ~1883 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Duncan | Head | — | 57 | ~1883 |
| Milton Duncan | Son | — | 30 | ~1910 |
| Dora Duncan | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Orleans, Louisiana
Head, age 37
Orleans, Louisiana · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | William L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laborer |
| Class of Worker | S |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Orleans, Louisiana
Head, age 47
Orleans, Louisiana · implied b. ~1883 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 26 |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Mississippi |
| Occupation | Laborer |
| Industry | Lumber Board |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5500 |
| Radio Set | R |
| Veteran | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Orleans-County, Louisiana
Head, age 57
Orleans-County, Louisiana · implied b. ~1883 — 3 household members
| Surname | Duncan |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans |
| Occupation | laborer |
| Industry | levee board |
| Class of Worker | GW |
| Hours Worked | 44 |
| Income (1939) | 1000 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 57 · b. ~1883 · Louisiana
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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 — Orleans-County, Louisiana
Open full size
1940 US Federal Census — Orleans-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01433-00123)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Hardy | 60 | Head | Clerk | Louisiana |
| 42 | Helen Hardy | 50 | Wife | — | Louisiana |
| 43 | Michael Hardy | 26 | Son | Order Clerk | Louisiana |
| 44 | Newman Hardy | 23 | Son | Factory Worker | Louisiana |
| 45 | Raymond Hardy | 20 | Son | Delivery Man | Louisiana |
| 46 | Beverly Hardy | 12 | Daughter | — | Louisiana |
| 47 | Jannie Bertados | 87 | Head | — | Louisiana |
| 48 | Thomas Areforbes | 44 | Head | Laborer | Louisiana |
| 49 | Atala Areforbes | 49 | Wife | — | Louisiana |
| 50 | Lloyd Areforbes | 29 | Son | Delivery Man | Louisiana |
| 51 | Shirley Areforbes | 12 | Daughter | — | Louisiana |
| 52 | William Pique | 52 | Head | Lieutenant Fireman | Louisiana |
| 53 | Ann Pique | 49 | Wife | — | Louisiana |
| 54 | William Pique | 26 | Son | Fireman | Louisiana |
| 55 | Howard Pique | 19 | Son | Sales Clerk | Louisiana |
| 56 | George Hathaway | 60 | Head | Mpr Printer | England |
| 57 | Anna Hathaway | 58 | Wife | — | Louisiana |
| 58 | George Hathaway | 21 | Son | Usher | Louisiana |
| 59 | William Duncan THIS PERSON | 57 | Head | Laborer | Louisiana |
| 60 | Dora Duncan | 53 | Wife | — | Louisiana |
| 61 | Milton Duncan | 30 | Son | Bookkeeper | Louisiana |
| 62 | Frank Mangin | 51 | Head | Foreman | Louisiana |
| 63 | Otto Abela | 29 | Head | Nurseryman | Louisiana |
| 64 | Margaret Abela | 25 | Wife | — | Louisiana |
| 65 | Hannah Leonhard | 66 | Head | — | Louisiana |
| 66 | Robert Jr Weiss | 64 | Brother | — | Louisiana |
| 67 | Robert Jr Weiss | 28 | Nephew | Salesman | Louisiana |
| 68 | Charles De Latte | 45 | Head | Interior Decorator | Louisiana |
| 69 | Dolores De Latte | 41 | Wife | — | Louisiana |
| 70 | Harold Folger | 29 | Head | Baseball Player | Louisiana |
| 71 | Lucille Folger | 30 | Wife | Roller | Louisiana |
| 72 | — | None | — | — | — |
| 73 | Herbert Pabrie | 36 | Head | Garbage Collector | Louisiana |
| 74 | Enalda Pabrie | 33 | Wife | — | Louisiana |
| 75 | Mary Pabrie | 56 | Mother | — | Louisiana |
| 76 | Claire Pabrie | 21 | Sister | — | Louisiana |
| 77 | Lester Sr Forest | 30 | Head | Laborer | Louisiana |
| 78 | Agnes Forest | 28 | Wife | — | Louisiana |
| 79 | Lester Jr Forest | 9 | Son | — | Louisiana |
| 80 | Sylvia Forest | 3 | Daughter | — | Louisiana |
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)