JH
John Harmon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Richland-County, South Carolina
Our Model Tree links this John Harmon across the 1920, 1930 and 1940 US Censuses in Richland-County, South Carolina (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 7-person household.
Age 70
b. ~1870
Male
Head
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Richland-County, South Carolina |
| Surname | Harmon |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 70 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Columbia |
| 1935 Residence (County) | Richland |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Dry goods |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 420 |
| Highest Grade | No 6 |
| 1935 Residence | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Truck Driver |
| Township / Ward | Hyatt Park |
| Est. Birth Year | ~1870 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Harmon | Head | — | 70 | ~1870 |
| Mary Jeffcoat | Other | — | 40 | ~1900 |
| Summerville Hightower | Other | — | 28 | ~1912 |
| Ivey Hightower | Other | — | 27 | ~1913 |
| James Hightower | Other | — | ~1940 | |
| Wesley Harmon | Son | — | 2 | ~1938 |
| Maxine Harmon | Spouse | — | 19 | ~1921 |
Census Appearances
1920
Richland, South …
Head, age 51
Richland, South Carolina · implied b. ~1869 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Mechanic |
| Industry | Auto |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Richland, South …
Head, age 62
Richland, South Carolina · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | John E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 23 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Richland-County, South …
Head, age 70
Richland-County, South Carolina · implied b. ~1870 — 7 household members
| Surname | Harmon |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 70 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Columbia |
| 1935 Residence (County) | Richland |
| Occupation | Truck driver |
| Industry | Dry goods |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 420 |
| Highest Grade | No 6 |
| 1935 Residence | South Carolina |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Harmon
Head · 1940 · age 70 · b. ~1870 · South Carolina
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Richland-County, South Carolina
Open full size
1940 US Federal Census — Richland-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03834-00161)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henry Stewart | 17 | Brother | Servant | South Carolina |
| 42 | Mazie Moye | 32 | Head | Servant | South Carolina |
| 43 | Catherine Moye | 16 | Daughter | — | South Carolina |
| 44 | James Moye | 14 | Son | — | South Carolina |
| 45 | Willie Moye | 10 | Son | — | South Carolina |
| 46 | Mattie Lee Moye | 8 | Daughter | — | South Carolina |
| 47 | Douglas Moye | 6 | Son | — | South Carolina |
| 48 | Ada Moye | 4 | Daughter | — | South Carolina |
| 49 | Henry Moye | 2 | Son | — | South Carolina |
| 50 | Fred Gordon | 47 | Head | Carpenter | South Carolina |
| 51 | Sarah Gordon | 65 | Wife | Laundress | South Carolina |
| 52 | Ben Taylor | 45 | Head | Taxi Driver | South Carolina |
| 53 | Mary Taylor | 41 | Wife | — | South Carolina |
| 54 | Ida Belle Atkins | 32 | Cousin | Laundress | South Carolina |
| 55 | John Harmon THIS PERSON | 70 | Head | Truck Driver | South Carolina |
| 56 | Maxine Harmon | 19 | Wife | — | South Carolina |
| 57 | Wesley Harmon | 2 | Son | — | South Carolina |
| 58 | Summerville Hightower | 28 | Brother-in-law | Truck Driver | South Carolina |
| 59 | Ivey Hightower | 27 | Sister-in-law | Maid | South Carolina |
| 60 | James Hightower | 0 | Nephew | — | South Carolina |
| 61 | Mary Jeffcoat | 40 | Mother-in-law | Cook | South Carolina |
| 62 | Peter Amaker | 70 | Head | — | South Carolina |
| 63 | Sally Amaker | 66 | Wife | Servant | South Carolina |
| 64 | Allie Robinson | 50 | Head | — | South Carolina |
| 65 | David Robinson | 44 | Son | Ice Man | South Carolina |
| 66 | Henry Rich | 30 | Head | Proprietor | South Carolina |
| 67 | Rosa Rich | 28 | Wife | — | South Carolina |
| 68 | Walter Rich | 12 | Son | — | South Carolina |
| 69 | Hattie May Rich | 9 | Daughter | — | South Carolina |
| 70 | Julia B. Thompson | 66 | Head | — | South Carolina |
| 71 | William Beachum | 15 | Grandson | — | South Carolina |
| 72 | John Beachum | 13 | Grandson | — | South Carolina |
| 73 | Jessie Geest | 21 | Grandson | Delivery Boy | South Carolina |
| 74 | Rudeen Geest | 16 | Daughter-in-law | — | South Carolina |
| 75 | Jacky Scurry | 44 | Head | Farm Laborer | South Carolina |
| 76 | Alma Scurry | 25 | Wife | — | South Carolina |
| 77 | Sarah Scurry | 0 | Daughter | — | South Carolina |
| 78 | Providence Benila | 53 | Head | Gardener | South Carolina |
| 79 | Ernest Bradley | 15 | Grandson | Curb Boy | South Carolina |
| 80 | Wilbert Bradley | 12 | Grandson | — | South Carolina |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)