JD
John Duncan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Craighead, Arkansas
Our Model Tree links this John Duncan across the 1920, 1930 and 1940 US Censuses in Craighead, Arkansas (XGBoost, ~Confirmed), with identified parents Jim & John — first a son (b.~1920), then head of a 9-person household.
Age 10
b. ~1920
Male
Son
Born: Arkansas
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Craighead, Arkansas |
| Surname | Duncan |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Arkansas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Township / Ward | Jonesboro Township Part |
| Est. Birth Year | ~1920 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jessie Duncan | Daughter | — | 8 | ~1922 |
| Jewel Duncan | Daughter | — | 5 | ~1925 |
| Jim Duncan | Head | — | 42 | ~1888 |
| Pearl Duncan | Other | — | 40 | ~1890 |
| Vernon Duncan | Son | — | 15 | ~1915 |
| Charles Duncan | Son | — | 1 | ~1929 |
| Wayne Duncan | Son | — | 6 | ~1924 |
| John Duncan | Son | — | 10 | ~1920 |
| Millard Duncan | Son | — | 13 | ~1917 |
Census Appearances
1920
Craighead, Arkansas
Son, age
Craighead, Arkansas · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Arkansas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Occupation | none |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1930
Craighead, Arkansas
Son, age 10
Craighead, Arkansas · implied b. ~1920 — 9 household members
| Surname | Duncan |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Arkansas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Can Read/Write | Yes |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1940
Craighead-County, Arkansas
Head, age 20
Craighead-County, Arkansas · implied b. ~1920 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunkin |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Arkansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Craighead |
| Occupation | mechanic |
| Industry | basket manufacturing |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 275 |
| Highest Grade | 9 |
| 1935 Residence | Arkansas |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
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 (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jim Duncan (~0.92 confidence) and father John Duncan (~0.92 confidence) and mother Pearl Duncan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jim Duncan
b. ~1888
Source father
● Household
· direct · ~0.92
Father
John Duncan
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Pearl Duncan
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Duncan
Son · 1930 · age 10 · b. ~1920 · Arkansas
★ You are viewing this record
Sibling
Millard Duncan
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Duncan
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Duncan
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jewel Duncan
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Duncan
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernon Duncan
Sibling · 1930 · age 15
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 — Craighead, Arkansas
Open full size
1930 US Federal Census — Craighead, Arkansas
Page Contents
50 people indexed on this census page (ia:1930:15thcensus70usce:0860)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Novak | 70 | Head | Farmer | Illinois |
| 2 | Mary Novak | 55 | Wife-H | — | Bohemia-Czech |
| 3 | Carl Novak | 22 | Son | — | Illinois |
| 4 | Will Novak | 42 | Head | Farmer | Illinois |
| 5 | Clara Novak | 40 | Wife-H | — | Illinois |
| 6 | Evelyn Novak | 14 | Daughter | — | Arkansas |
| 7 | Lucille Novak | 13 | Daughter | — | Arkansas |
| 8 | Marcena Novak | 11 | Daughter | — | Arkansas |
| 9 | James Novak | 7 | Son | — | Arkansas |
| 10 | Elizabeth Novak | 5 | Daughter | — | Arkansas |
| 11 | William Novak | 3 | Son | — | Arkansas |
| 12 | Robert Novak | 1 | Son | — | Arkansas |
| 13 | Marshall Shaw | 62 | Head | Farmer | Alabama |
| 14 | Nancy Shaw | 55 | Wife-H | — | Arkansas |
| 15 | George Schultz | 49 | Head | Farmer | Missouri |
| 16 | Lizzie Schultz | 47 | Wife-H | — | Arkansas |
| 17 | Homer Schultz | 16 | Son | — | Arkansas |
| 18 | Minnie Schultz | 14 | Daughter | — | Arkansas |
| 19 | James Schultz | 86 | Father | — | Missouri |
| 20 | Bell Adams | 62 | Sister | — | Missouri |
| 21 | Lonnie Clark | 21 | Nephew | Laborer | Arkansas |
| 22 | Thomas D. Smith | 53 | Head | Farmer | Kentucky |
| 23 | Hattie Smith | 53 | Wife-H | — | Illinois |
| 24 | Tom Smith | 15 | Daughter | — | Arkansas |
| 25 | Vernon Smith | 13 | Son | — | Arkansas |
| 26 | Una Smith | 10 | Daughter | — | Arkansas |
| 27 | William D. Mcdonald | 73 | Head | Farmer | Mississippi |
| 28 | Julia H. Mcdonald | 69 | Wife-H | — | Alabama |
| 29 | Frank L. Bradley | 43 | Head | Laborer | Arkansas |
| 30 | Hattie E. Bradley | 42 | Wife-H | — | Arkansas |
| 31 | Gaylon Bradley | 18 | Son | Laborer | Arkansas |
| 32 | Albert Bradley | 14 | Son | — | Arkansas |
| 33 | Ralph Bradley | 11 | Son | — | Arkansas |
| 34 | Rosalie Bradley | 8 | Daughter | — | Arkansas |
| 35 | Emogene Bradley | 6 | Daughter | — | Arkansas |
| 36 | Jim M. Duncan | 42 | Head | Farmer | Arkansas |
| 37 | Pearl Duncan | 40 | Wife-H | — | Arkansas |
| 38 | Vernon Duncan | 15 | Son | — | Arkansas |
| 39 | Millard Duncan | 13 | Son | — | Arkansas |
| 40 | John M. Duncan THIS PERSON | 10 | Son | — | Arkansas |
| 41 | Jessie M. Duncan | 8 | Daughter | — | Arkansas |
| 42 | Wayne Duncan | 6 | Son | — | Arkansas |
| 43 | Jewel P. Duncan | 5 | Daughter | — | Arkansas |
| 44 | Charles Duncan | 1 | Son | — | Arkansas |
| 45 | Thomas T. Millett | 62 | Head | Farmer | Kentucky |
| 46 | Allie L. Millett | 60 | Wife-H | — | Kentucky |
| 47 | Thomas O. Millett | 82 | Father | — | Kentucky |
| 48 | Mary E. Millett | 82 | Mother | — | Kentucky |
| 49 | Willie T. Minton | 23 | Head | Blacksmith | Arkansas |
| 50 | Syble Minton | 21 | Wife-H | — | Arkansas |
Pedigree Summary
John + 6 siblings
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)