JH
John Harmon — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Newberry, South Carolina
Our Model Tree links this John Harmon across the 1930 and 1940 US Censuses in Newberry, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 11-person household.
Age 3
b. ~1927
Male
Son
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Newberry, South Carolina |
| Surname | Harmon |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | none |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Caldwell Township 2 |
| Est. Birth Year | ~1927 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Eddie Harmon | Daughter | — | 10 | ~1920 |
| Mildred Harmon | Daughter | — | 4 | ~1926 |
| Linnie Harmon | Daughter | — | ~1930 | |
| Tiannia Harmon | Daughter | — | 2 | ~1928 |
| Bertha Harmon | Daughter | — | 8 | ~1922 |
| Mannis Harmon | Daughter | — | 1 | ~1929 |
| Margaret Harmon | Daughter | — | 6 | ~1924 |
| Thomas Harmon | Head | — | 35 | ~1895 |
| Annie Harmon | Other | — | 33 | ~1897 |
| Dennis Harmon | Son | — | 12 | ~1918 |
| John Harmon | Son | — | 3 | ~1927 |
Census Appearances
1930
Newberry, South …
Son, age 3
Newberry, South Carolina · implied b. ~1927 — 11 household members
| Surname | Harmon |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Newberry-County, South …
Son, age 13
Newberry-County, South Carolina · implied b. ~1927 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harman |
| Given Name | Johnnie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Moon 7 |
| 1935 Residence (County) | Newberry |
| Industry | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Harmon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Harmon
Son · 1930 · age 3 · b. ~1927 · South Carolina
★ You are viewing this record
Sibling
Eddie Harmon
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Linnie Harmon
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Harmon
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mannis Harmon
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tiannia Harmon
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dennis Harmon
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Harmon
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertha Harmon
Sibling · 1930 · age 8
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 — Newberry, South Carolina
Open full size
1930 US Federal Census — Newberry, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2206unit:0835)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Callie Jr. | 4 | son | None | South Carolina |
| 52 | James | 3 | son | None | South Carolina |
| 53 | Thomas Harmon | 35 | Head | Laborer | South Carolina |
| 54 | Annie Harmon | 33 | wife-H | Laborer | South Carolina |
| 55 | Dennis L. Harmon | 12 | son | None | South Carolina |
| 56 | Eddie Mae Harmon | 10 | daughter | None | South Carolina |
| 57 | Bertha Harmon | 8 | daughter | None | South Carolina |
| 58 | Margaret Harmon | 6 | daughter | None | South Carolina |
| 59 | Mildred Harmon | 4 | daughter | None | South Carolina |
| 60 | John Harmon THIS PERSON | 3 | son | None | South Carolina |
| 61 | Tiannia Harmon | 2 | daughter | None | South Carolina |
| 62 | Mannis C. Harmon | 1 | daughter | None | South Carolina |
| 63 | Linnie Harmon | 0 | daughter | None | South Carolina |
| 64 | Newton Gilliam | 60 | Head | Farmer | South Carolina |
| 65 | Annie B. Gilliam | 56 | wife-H | Home Maker | South Carolina |
| 66 | James Gilliam | 18 | son | None | South Carolina |
| 67 | Luana Gilliam | 16 | son | None | South Carolina |
| 68 | Helen Gilliam | 14 | daughter | None | South Carolina |
| 69 | Eddie Gilliam | 12 | son | None | South Carolina |
| 70 | John Gilliam | 10 | son | None | South Carolina |
| 71 | Sarah Gilliam | 8 | daughter | None | South Carolina |
| 72 | Jesse Chase | 54 | Head | Farmer | South Carolina |
| 73 | Annie Chase | 52 | wife-H | Home Maker | South Carolina |
| 74 | Willie Sims | 27 | Head | Farmer | South Carolina |
| 75 | Edith Sims | 22 | wife-H | H. Laborer | South Carolina |
| 76 | Helen Sims | 8 | daughter | None | South Carolina |
| 77 | Willie Mae Sims | 6 | daughter | None | South Carolina |
| 78 | Azile Sims | 3 | daughter | None | South Carolina |
| 79 | George Clamp | 22 | Head | Laborer | South Carolina |
| 80 | Linnie Clamp | 25 | wife-H | H. Laborer | South Carolina |
| 81 | Sadie Mae Clamp | 2 | daughter | None | South Carolina |
| 82 | George Jr. Clamp | 1 | son | None | South Carolina |
| 83 | Emma Hagland | 52 | Head | H. Laborer | South Carolina |
| 84 | Eugene Hagland | 19 | son | Laborer | South Carolina |
| 85 | John Hagland | 15 | son | Laborer | South Carolina |
| 86 | Elliot Hagland | 13 | son | None | South Carolina |
| 87 | George Caldwell | 48 | Head | Farmer | South Carolina |
| 88 | Luna Caldwell | 32 | wife-H | H. Laborer | South Carolina |
| 89 | George Jr. Caldwell | 14 | son | None | South Carolina |
| 90 | Luther Caldwell | 13 | son | None | South Carolina |
| 91 | James Caldwell | 12 | son | None | South Carolina |
| 92 | Isaac Caldwell | 10 | son | None | South Carolina |
| 93 | Thomas Caldwell | 8 | son | None | South Carolina |
| 94 | Eddie Caldwell | 6 | son | None | South Carolina |
| 95 | Jessie Caldwell | 5 | son | None | South Carolina |
| 96 | Moses Caldwell | 2 | son | None | South Carolina |
| 97 | Luigna Caldwell | 1 | son | None | South Carolina |
| 98 | Douglas Caldwell | 25 | Head | Farmer | South Carolina |
| 99 | Emma Caldwell | 60 | wife-H | Home Maker | South Carolina |
| 100 | Floyd Caldwell | 23 | Head | Laborer | South Carolina |
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)