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John Duncan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Chickasaw, Mississippi
Our Model Tree links this John Duncan across the 1910, 1920 and 1930 US Censuses in Chickasaw, Mississippi (XGBoost, ~Confirmed), with identified parents Riley & John — first a head (b.~1899), then head of a 6-person household.
Age 31
b. ~1899
Male
Head
Born: Mississippi
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Chickasaw, Mississippi |
| Surname | Duncan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 21 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | Beat 1 Pt Of |
| Est. Birth Year | ~1899 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ethel Duncan | Daughter | — | 9 | ~1921 |
| John Duncan | Head | — | 31 | ~1899 |
| Harold Duncan | Son | — | 7 | ~1923 |
| William Duncan | Son | — | 5 | ~1925 |
| Dennis Duncan | Son | — | 2 | ~1928 |
| Zora Duncan | Spouse | — | 34 | ~1896 |
Census Appearances
1910
Chickasaw, Mississippi
Son, age 13
Chickasaw, Mississippi · implied b. ~1897 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| 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
Chickasaw, Mississippi
Son, age 20
Chickasaw, Mississippi · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Chickasaw, Mississippi
Head, age 31
Chickasaw, Mississippi · implied b. ~1899 — 6 household members
| Surname | Duncan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 21 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| 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 John Duncan across 3 US Census years (1910, 1920 and 1930) in Chickasaw, Mississippi, using XGBoost record linkage. Identified parents: father Riley Duncan (~0.92 confidence) and father John Duncan (~0.92 confidence) and mother Mary Duncan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Riley Duncan
b. ~1856
Source father
● Household
· direct · ~0.92
Father
John Duncan
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mary Duncan
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Duncan
Head · 1930 · age 31 · b. ~1899 · 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 — Chickasaw, Mississippi
Open full size
1930 US Federal Census — Chickasaw, Mississippi
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1141unit:0090)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Marion Griffin | 47 | Head | Farmer | Mississippi |
| 52 | Alma Griffin | 45 | Wife | — | Mississippi |
| 53 | Edgar Griffin | 23 | Son | — | Mississippi |
| 54 | Barley Griffin | 21 | Son | Laborer | Mississippi |
| 55 | Ira Griffin | 18 | Daughter | Laborer | Mississippi |
| 56 | Ethel Griffin | 16 | Daughter | — | Mississippi |
| 57 | Annie Griffin | 14 | Daughter | — | Mississippi |
| 58 | John Griffin | 12 | Son | — | Mississippi |
| 59 | Gradie Griffin | 7 | Son | — | Mississippi |
| 60 | Rena Griffin | 4 | Daughter | — | Mississippi |
| 61 | Charley L Griffin | 2 | Son | — | Mississippi |
| 62 | John Duncan THIS PERSON | 31 | Head | — | Mississippi |
| 63 | Zora Duncan | 34 | Wife | Farmer | Tennessee |
| 64 | Ethel Duncan | 9 | Daughter | — | Mississippi |
| 65 | Harold Duncan | 7 | Son | — | Mississippi |
| 66 | William Duncan | 5 | Son | — | Mississippi |
| 67 | Dennis Duncan | 2 | Son | — | Mississippi |
| 68 | Wiley Duncan | 73 | Head | Farmer | Mississippi |
| 69 | Mary Duncan | 67 | Wife | — | Mississippi |
| 70 | Sally Duncan | 70 | Sister | — | Mississippi |
| 71 | Ed Martin | 43 | Head | Farmer | Mississippi |
| 72 | Mattie Martin | 32 | Wife | — | Mississippi |
| 73 | Martin | 19 | Son | Laborer | Mississippi |
| 74 | Anne Martin | 17 | Daughter | — | Mississippi |
| 75 | Austin Martin | 16 | Son | Laborer | Mississippi |
| 76 | Ardell Martin | 13 | Son | — | Mississippi |
| 77 | Martin | 10 | Son | — | Mississippi |
| 78 | Hazel Martin | 8 | Son | — | Mississippi |
| 79 | Charley Martin | 3 | Son | — | Mississippi |
| 80 | Eugine Martin | 1 | Daughter | — | Mississippi |
| 81 | Gaston Duncan | 28 | Head | Farmer | Mississippi |
| 82 | Annie Duncan | 28 | Wife | — | Mississippi |
| 83 | Arnold Duncan | 7 | Son | — | Mississippi |
| 84 | Ruble Duncan | 3 | Son | — | Mississippi |
| 85 | George Blissard | 56 | Head | Farmer | Mississippi |
| 86 | Jennie Blissard | 51 | Wife | — | Mississippi |
| 87 | Almont Blissard | 31 | Son | Farmer | Mississippi |
| 88 | Lylee Blissard | 24 | Daughter | — | Mississippi |
| 89 | James Blissard | 21 | Son | Laborer | Mississippi |
| 90 | Mansfield Blissard | 17 | Son | Laborer | Mississippi |
| 91 | Maudie Blissard | 12 | Daughter | — | Mississippi |
| 92 | Gradie Blissard | 9 | Son | — | Mississippi |
| 93 | Walton Blissard | 23 | Head | Farmer | Mississippi |
| 94 | Hannie Blissard | 20 | Wife | — | Mississippi |
| 95 | Jim Anderson | 50 | Head | Farmer | Mississippi |
| 96 | Maggie Anderson | 46 | Wife | — | Alabama |
| 97 | John Anderson | 16 | Son | Laborer | Mississippi |
| 98 | Ernest Anderson | 14 | Son | Laborer | Mississippi |
| 99 | Roxy Taylor | 23 | Head | Farmer | Mississippi |
| 100 | Amie Taylor | 24 | Wife | — | Mississippi |
Related Census Records
Pedigree Summary
John
Gen 1 · 3 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)