JD
James Duncan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · None, None
Our Model Tree links this James Duncan across the 1920 and 1930 US Censuses (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 12-person household.
Age 18
b. ~1912
Male
Son
Born: Kentucky
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | None, None |
| Surname | Duncan |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Occupation | Laborer |
| Industry | State road |
| Class of Worker | 7871 |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Laborer |
| Est. Birth Year | ~1912 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Oleda Duncan | Daughter | — | 15 | ~1915 |
| Mary Duncan | Daughter | — | 17 | ~1913 |
| Nancy Duncan | Daughter | — | 4 | ~1926 |
| Fredas Duncan | Head | — | 44 | ~1886 |
| Joe Duncan | Son | — | 12 | ~1918 |
| Palestine Duncan | Son | — | 20 | ~1910 |
| Fredas Duncan | Son | — | 5 | ~1925 |
| H Duncan | Son | — | 2 | ~1928 |
| Charles Duncan | Son | — | 8 | ~1922 |
| James Duncan | Son | — | 18 | ~1912 |
| Luther Duncan | Son | — | 9 | ~1921 |
| Nannie Duncan | Spouse | — | 39 | ~1891 |
Census Appearances
1920
None, None
Son, age 8
None, None · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | James H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
None, None
Son, age 18
None, None · implied b. ~1912 — 12 household members
| Surname | Duncan |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Laborer |
| Industry | State road |
| Class of Worker | 7871 |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 James Duncan across 2 US Census years (1920 and 1930) in None, None, using XGBoost record linkage.
Show:
This person
Anchor record
James Duncan
Son · 1930 · age 18 · b. ~1912 · None
★ You are viewing this record
Sibling
Luther Duncan
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Duncan
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
H Duncan
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Palestine Duncan
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Duncan
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oleda Duncan
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Duncan
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fredas Duncan
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Duncan
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — None, None
Open full size
1930 US Federal Census — None, None
Page Contents
50 people indexed on this census page (ia:1930:kentuckycensus00reel767:0628)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jennie Johnson | 5 | daughter | None | Kentucky |
| 2 | Maude Johnson | 3 | daughter | None | Kentucky |
| 3 | Annie B. Johnson | 1 | daughter | None | Kentucky |
| 4 | Frank Epley | 58 | Head | Farmer | Kentucky |
| 5 | Leona Epley | 44 | wife | None | Kentucky |
| 6 | Arthur J. Epley | 21 | son | Laborer | Kentucky |
| 7 | Mary Epley | 16 | daughter | None | Kentucky |
| 8 | Floyd Epley | 14 | son | None | Kentucky |
| 9 | Bertha Epley | 10 | daughter | None | Kentucky |
| 10 | Logan Epley | 7 | son | None | Kentucky |
| 11 | Albert Malone | 64 | Head | Farmer | Kentucky |
| 12 | Thomas Malone | 14 | son | None | Kentucky |
| 13 | Cal Mason | 34 | Head | Farmer | Kentucky |
| 14 | Mamie B. Mason | 26 | wife | None | Kentucky |
| 15 | Alister G. Mason | 8 | daughter | None | Kentucky |
| 16 | Annie B. Mason | 5 | daughter | None | Kentucky |
| 17 | James A. Mason | 3 | son | None | Kentucky |
| 18 | Fredas Duncan | 44 | Head | Laborer | Kentucky |
| 19 | Nannie Duncan | 39 | wife | None | Kentucky |
| 20 | Palestine Duncan | 20 | son | Laborer | Kentucky |
| 21 | James Duncan THIS PERSON | 18 | son | Laborer | Kentucky |
| 22 | Mary Duncan | 17 | daughter | None | Kentucky |
| 23 | Oleda Duncan | 15 | daughter | None | Kentucky |
| 24 | Joe Duncan | 12 | son | None | Kentucky |
| 25 | Luther Duncan | 9 | son | None | Kentucky |
| 26 | Charles Duncan | 8 | son | None | Kentucky |
| 27 | Fredas Jr. Duncan | 5 | son | None | Kentucky |
| 28 | Nancy Duncan | 4 | daughter | None | Kentucky |
| 29 | H. Daniel Duncan | 2 | son | None | Kentucky |
| 30 | R. P. Wilson | 65 | Head | Farmer | Illinois |
| 31 | Bertha Low | 21 | daughter | None | Kentucky |
| 32 | Curtis Low | 1 | son | None | Kentucky |
| 33 | W. D. Goodwin | 70 | Head | Farmer | Kentucky |
| 34 | Jane Goodwin | 59 | wife | None | Kentucky |
| 35 | Elsie Goodwin | 31 | daughter | None | Kentucky |
| 36 | Raymond Goodwin | 29 | son | Farmer | Kentucky |
| 37 | John Goodwin | 26 | son | Farmer | Kentucky |
| 38 | Herman Goodwin | 21 | son | Farmer | Kentucky |
| 39 | Henry Crowder | 71 | Head | Farmer | Kentucky |
| 40 | Callie Crowder | 60 | wife | None | Kentucky |
| 41 | Ben Posey | 72 | Head | Farmer | Kentucky |
| 42 | Belle Posey | 72 | wife | None | Kentucky |
| 43 | Nannie Posey | 36 | son | Farmer | Kentucky |
| 44 | Sallie Norton | 28 | Head | Laborer | Kentucky |
| 45 | Willard Norton | 7 | stepson | Laborer | Kentucky |
| 46 | Herbert White | 54 | Head | Farmer | Kentucky |
| 47 | Mary E. White | 27 | wife | None | Kentucky |
| 48 | John Townsend | 37 | Head | Farmer | Kentucky |
| 49 | Annie Townsend | 31 | wife | None | Kentucky |
| 50 | Joe Townsend | 19 | son | Farmer | Kentucky |
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)