WD
William Duncan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Union, Mississippi
Our Model Tree links this William Duncan across the 1910, 1920, 1930 and 1940 US Censuses in Union, Mississippi (XGBoost, ~Confirmed), with identified parents Calvin & Alice — first a head (b.~1900), then head of a 4-person household.
Age 30
b. ~1900
Male
Head
Born: Mississippi
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Union, Mississippi |
| Surname | Duncan |
| Given Name | William M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 21 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Additional Details | |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Farmer |
| Township / Ward | Beat 3 |
| Est. Birth Year | ~1900 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Duncan | Head | — | 30 | ~1900 |
| Lillie Young | Other | — | 22 | ~1908 |
| Edith Duncan | Other | — | 26 | ~1904 |
| Lilian Duncan | Son | — | 8 | ~1922 |
Census Appearances
1910
Union, Mississippi
Son, age 9
Union, Mississippi · implied b. ~1901 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Willie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Laborer |
| Industry | Home farm |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1920
Union, Mississippi
Head, age 19
Union, Mississippi · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Willie |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Union, Mississippi
Head, age 30
Union, Mississippi · implied b. ~1900 — 4 household members
| Surname | Duncan |
| Given Name | William M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 21 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Union-County, Mississippi
Other, age 41
Union-County, Mississippi · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | William |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Union |
| Occupation | Day laborer |
| Industry | W.P.A. |
| Class of Worker | GW |
| Hours Worked | 20 |
| Income (1939) | 188 |
| Highest Grade | 6 |
| 1935 Residence | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Calvin Duncan (~0.92 confidence) and mother Alice Duncan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Calvin Duncan
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Alice Duncan
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Duncan
Head · 1930 · age 30 · b. ~1900 · Mississippi
★ 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 — Union, Mississippi
Open full size
1930 US Federal Census — Union, Mississippi
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1169unit:0499)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Huron Susie Golden | 18 | Niece | — | Mississippi |
| 2 | James R Bailey | 51 | Head | Farm Laborer | Mississippi |
| 3 | Ludie Bailey | 52 | Wife-H | — | Mississippi |
| 4 | Thomas S Bailey | 19 | Son | Farm Laborer | Mississippi |
| 5 | Charlie R Bailey | 15 | Son | Farm Laborer | Mississippi |
| 6 | Lillian L Bailey | 13 | Daughter | — | Mississippi |
| 7 | Clara Bailey | 12 | Daughter | — | Mississippi |
| 8 | Kinson Bailey | 10 | Son | — | Mississippi |
| 9 | Money M Burchfield | 26 | Head-H | Farmer | Alabama |
| 10 | Mable Burchfield | 25 | Daughter | Farm Laborer | Alabama |
| 11 | Clara Burchfield | 22 | Daughter | Farm Laborer | Mississippi |
| 12 | William M Duncan THIS PERSON | 30 | Head | Farmer | Mississippi |
| 13 | Edith M Duncan | 26 | Wife-H | — | Mississippi |
| 14 | Lilian M Duncan | 8 | Son | — | Mississippi |
| 15 | Lillie B Young | 22 | Niece | — | Mississippi |
| 16 | William R Bailey | 32 | Head | Farmer | Mississippi |
| 17 | Louie E Bailey | 34 | Wife-H | — | Mississippi |
| 18 | William E Bailey | 10 | Son | — | Mississippi |
| 19 | Eula M Bailey | 4 | Daughter | — | Mississippi |
| 20 | William D Sloan | 63 | Head-H | Manager | Mississippi |
| 21 | Boyd W Sloan | 18 | Son | — | Mississippi |
| 22 | Walter H Dodds | 23 | Head | Farmer | Mississippi |
| 23 | Minnie P Dodds | 21 | Wife-H | — | Mississippi |
| 24 | John M Bailey | 29 | Head | Farmer | Mississippi |
| 25 | Ora L Bailey | 29 | Wife-H | — | Mississippi |
| 26 | William J Bailey | 8 | Son | — | Mississippi |
| 27 | Audrey L Bailey | 6 | Daughter | — | Mississippi |
| 28 | Hattie B Bailey | 4 | Daughter | — | Mississippi |
| 29 | Ora E Bailey | 2 | Daughter | — | Mississippi |
| 30 | Newt S Mcclure | 30 | Head | Farmer | Mississippi |
| 31 | Linnie H Mcclure | 26 | Wife-H | — | Mississippi |
| 32 | Dewitt D Mcclure | 9 | Son | — | Mississippi |
| 33 | Turner E Mcclure | 7 | Son | — | Mississippi |
| 34 | Clyde D Mcclure | 5 | Son | — | Mississippi |
| 35 | Charley D Mcclure | 1 | Son | — | Mississippi |
| 36 | John E Reid | 28 | Head | Farmer | Mississippi |
| 37 | Balma L Reid | 20 | Wife-H | — | Mississippi |
| 38 | William E Reid | 0 | Son | — | Mississippi |
| 39 | John H Bailey | 30 | Head | Farmer | Mississippi |
| 40 | Lillian L Bailey | 25 | Wife-H | — | Mississippi |
| 41 | Martha H Bailey | 5 | Daughter | — | Mississippi |
| 42 | Hilda J Bailey | 2 | Daughter | — | Mississippi |
| 43 | William H Bailey | 0 | Son | — | Mississippi |
| 44 | John F Duncan | 39 | Head | Farmer | Mississippi |
| 45 | Ludie A Duncan | 35 | Wife-H | — | Mississippi |
| 46 | Mable B Duncan | 11 | Daughter | — | Mississippi |
| 47 | Lonnie B Thompson | 23 | Brother-in-law | — | Mississippi |
| 48 | Billy Ashley | 40 | Head | Farmer | Mississippi |
| 49 | Adie Ashley | 53 | Wife-H | — | Mississippi |
| 50 | Willie A Hall | 60 | Head | Farmer | Mississippi |
Pedigree Summary
William
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)