DC
David Campbell — 1930 US Census Record
Model Tree available1930 United States Federal Census · Unicoi, Tennessee
Our Model Tree links this David Campbell across the 1910, 1920 and 1930 US Censuses in Unicoi, Tennessee (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1904), then head of a 4-person household.
Age 26
b. ~1904
Male
Son
Born: Tennessee
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Unicoi, Tennessee |
| Surname | Campbell |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 20 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Farm Laborer |
| Township / Ward | Civil District 2 |
| Est. Birth Year | ~1904 |
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 David | Age | Birth yr |
|---|---|---|---|---|
| James Campbell | Head | — | 64 | ~1866 |
| Daniel Campbell | Son | — | 33 | ~1897 |
| Lizzie Campbell | Other | — | 18 | ~1912 |
| David Campbell | Son | — | 26 | ~1904 |
Census Appearances
1910
Unicoi, Tennessee
Son, age 7
Unicoi, Tennessee · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1920
Unicoi, Tennessee
Son, age 15
Unicoi, Tennessee · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Unicoi, Tennessee
Son, age 26
Unicoi, Tennessee · implied b. ~1904 — 4 household members
| Surname | Campbell |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 20 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 David Campbell across 3 US Census years (1910, 1920 and 1930) in Unicoi, Tennessee, using XGBoost record linkage. Identified parents: father James Campbell (~0.92 confidence) and father James Campbell (~0.92 confidence) and mother Alice Campbell (~0.92 confidence) and mother Allie Campbell (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Campbell
b. ~1861
Source father
● Household
· direct · ~0.92
Father
James Campbell
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Alice Campbell
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Allie Campbell
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
David Campbell
Son · 1930 · age 26 · b. ~1904 · Tennessee
★ You are viewing this record
Sibling
Daniel Campbell
Sibling · 1930 · age 33
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 — Unicoi, Tennessee
Open full size
1930 US Federal Census — Unicoi, Tennessee
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2280unit:0897)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martha Bailes | 67 | Head | — | North Carolina |
| 2 | William J Head | 56 | Head | Farmer | Tennessee |
| 3 | Dora Head | 48 | Wife | — | Tennessee |
| 4 | Frank Head | 15 | Son | — | Tennessee |
| 5 | James Grindstaff | 52 | Head | Farmer | Tennessee |
| 6 | Cindy Grindstaff | 35 | Wife | — | Tennessee |
| 7 | Lockie Grindstaff | 17 | Daughter | Laborer | Tennessee |
| 8 | Cassie Grindstaff | 14 | Son | Farm Laborer | Tennessee |
| 9 | J. Hauge Mccurry | 57 | Head | Farmer | North Carolina |
| 10 | Adna Mccurry | 50 | Wife | — | North Carolina |
| 11 | Grady Mccurry | 29 | Son | Farm Laborer | North Carolina |
| 12 | Roy Mccurry | 21 | Son | Farm Laborer | North Carolina |
| 13 | Zippora Mccurry | 17 | Daughter | — | Tennessee |
| 14 | Elva Mccurry | 12 | Daughter | — | Tennessee |
| 15 | George Mccurry | 10 | Son | — | Tennessee |
| 16 | Nathan W. Bennett | 46 | Head | Farmer | North Carolina |
| 17 | Edith Bennett | 32 | Wife | — | North Carolina |
| 18 | Harry Bennett | 11 | Son | — | North Carolina |
| 19 | Ruby Bennett | 9 | Daughter | — | Virginia |
| 20 | Othelene Bennett | 7 | Daughter | — | Virginia |
| 21 | Georgia Bennett | 6 | Daughter | — | North Carolina |
| 22 | Ruth Bennett | 3 | Daughter | — | North Carolina |
| 23 | Roger Grum | 37 | Head | Farmer | North Carolina |
| 24 | Venie E Grum | 35 | Wife | — | North Carolina |
| 25 | Roy B Grum | 11 | Son | — | Tennessee |
| 26 | Nora M Grum | 9 | Daughter | — | Tennessee |
| 27 | Mary Nell Grum | 6 | Daughter | — | Tennessee |
| 28 | Merdell Grum | 2 | Daughter | — | Tennessee |
| 29 | Ida Grum | 45 | Head | Farmer | North Carolina |
| 30 | Pearl Grum | 29 | Step-son | Farm Laborer | North Carolina |
| 31 | Bascom Grum | 22 | Son | Farm Laborer | North Carolina |
| 32 | Zella Grum | 17 | Daughter | — | North Carolina |
| 33 | Edwin Grum | 15 | Son | Farm Laborer | Tennessee |
| 34 | Mildred Grum | 11 | Daughter | — | Tennessee |
| 35 | Frank Grum | 7 | Son | — | Tennessee |
| 36 | Zella Smyth | 35 | Head | Laborer | Tennessee |
| 37 | John Smyth | 14 | Son | Farm Laborer | Tennessee |
| 38 | May Smyth | 8 | Daughter | — | Tennessee |
| 39 | Bertie Smyth | 1 | Daughter | — | Tennessee |
| 40 | James Campbell | 64 | Head | Farmer | Tennessee |
| 41 | Daniel Campbell | 33 | Son | Farmer | Tennessee |
| 42 | David Campbell THIS PERSON | 26 | Son | Farm Laborer | Tennessee |
| 43 | Lizzie Campbell | 18 | Daughter-in-law | — | Tennessee |
| 44 | Harvey Campbell | 29 | Head | Farmer | Tennessee |
| 45 | Sindy Campbell | 20 | Wife | — | Tennessee |
| 46 | Nathan J. Tolley | 36 | Head | Farmer | Tennessee |
| 47 | Luther Ab Tolley | 17 | Son | Inspector | Tennessee |
| 48 | Gregg Ab Tolley | 16 | Son | Farm Laborer | Tennessee |
| 49 | Nat Tolley | 12 | Son | — | Tennessee |
| 50 | Harvey D. Tolley | 4 | Son | — | Tennessee |
Pedigree Summary
David + 1 sibling
Gen 1 · 4 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)