JC
James Clarke — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Florence, South Carolina
Our Model Tree links this James Clarke across the 1930 and 1940 US Censuses in Florence, South Carolina (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 8-person household.
Age 55
b. ~1875
Male
Head
Born: South Carolina
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Florence, South Carolina |
| Surname | Clarke |
| Given Name | James H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 37 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farmer |
| Township / Ward | Ebenezer Township |
| Est. Birth Year | ~1875 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Clarke | Son | — | 15 | ~1915 |
| James Clarke | Head | — | 55 | ~1875 |
| Sula Clarke | Spouse | — | 40 | ~1890 |
| Aela Clarke | Daughter | — | 16 | ~1914 |
| James Clarke | Son | — | 15 | ~1915 |
| James Clarke | Son | — | 15 | ~1915 |
| John Washington | Other | — | 58 | ~1872 |
| James Clarke | Son | — | 15 | ~1915 |
Census Appearances
1930
Florence, South …
Head, age 55
Florence, South Carolina · implied b. ~1875 — 8 household members
| Surname | Clarke |
| Given Name | James H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 37 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Florence-County, South …
Head, age 65
Florence-County, South Carolina · implied b. ~1875 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Back Swamp Township |
| 1935 Residence (County) | Florence |
| Occupation | Manager |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1600 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| 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 James Clarke across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Clarke
Head · 1930 · age 55 · b. ~1875 · South Carolina
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Florence, South Carolina
Open full size
1930 US Federal Census — Florence, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2196unit:0525)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charlie Sullivan | 1 | Daughter | — | South Carolina |
| 52 | Mary Sullivan | 1 | Daughter | — | South Carolina |
| 53 | Mary Sullivan | 1 | Daughter | — | South Carolina |
| 54 | Joe Sullivan | 4 | Son | — | South Carolina |
| 55 | Rosa Sullivan | 2 | Daughter | — | South Carolina |
| 56 | Charlie Sullivan | 32 | Head | Laborer | South Carolina |
| 57 | Estelle Sullivan | 11 | Daughter | — | South Carolina |
| 58 | Ophelia Sullivan | 13 | Daughter | — | South Carolina |
| 59 | Wilbur Sullivan | 8 | Son | — | South Carolina |
| 60 | Eros Sullivan | 6 | Son | — | South Carolina |
| 61 | Moses Seawright | 68 | Head | Farmer | South Carolina |
| 62 | Rosetta Seawright | 45 | Wife | — | South Carolina |
| 63 | Durant Clarke | 18 | Lodger | Laborer | South Carolina |
| 64 | George Clarke | 16 | Lodger | Laborer | South Carolina |
| 65 | Lee Clarke | 17 | Lodger | Laborer | South Carolina |
| 66 | Mcfarlane Finley | 75 | Head | — | South Carolina |
| 67 | John Washington | 45 | Head | Farmer | South Carolina |
| 68 | Rosa Washington | 35 | Wife | — | South Carolina |
| 69 | John Washington | 18 | Son | Laborer | South Carolina |
| 70 | Frances Washington | 16 | Daughter | — | South Carolina |
| 71 | Mary Washington | 14 | Daughter | — | South Carolina |
| 72 | Nettie Washington | 12 | Daughter | — | South Carolina |
| 73 | Walter Washington | 10 | Son | — | South Carolina |
| 74 | Rosetta Washington | 8 | Daughter | — | South Carolina |
| 75 | James Washington | 6 | Son | — | South Carolina |
| 76 | Annie Washington | 4 | Daughter | — | South Carolina |
| 77 | Mary Washington | 2 | Daughter | — | South Carolina |
| 78 | Jerome Washington | 1 | Son | — | South Carolina |
| 79 | Willie Sullivan | 26 | Head | Laborer | South Carolina |
| 80 | Lillie Sullivan | 24 | Wife | — | South Carolina |
| 81 | Lila Sullivan | 5 | Daughter | — | South Carolina |
| 82 | Lilly Sullivan | 3 | Daughter | — | South Carolina |
| 83 | Willie Sullivan | 1 | Son | — | South Carolina |
| 84 | Lillie Sullivan | 0 | Daughter | — | South Carolina |
| 85 | Willie Sullivan | 0 | Son | — | South Carolina |
| 86 | Lillie Sullivan | 0 | Daughter | — | South Carolina |
| 87 | Willie Sullivan | 0 | Son | — | South Carolina |
| 88 | Lillie Sullivan | 0 | Daughter | — | South Carolina |
| 89 | John P. Ratcliffe | 38 | Head | Manager | South Carolina |
| 90 | Sarah L. Ratcliffe | 38 | Wife | — | South Carolina |
| 91 | James H. Clarke THIS PERSON | 55 | Head | Farmer | South Carolina |
| 92 | Sula W. Clarke | 40 | Wife | — | South Carolina |
| 93 | Aela B. Clarke | 16 | Daughter | — | South Carolina |
| 94 | James H. Clarke | 15 | Son | — | South Carolina |
| 95 | James H. Clarke | 15 | Son | — | South Carolina |
| 96 | James H. Clarke | 15 | Son | — | South Carolina |
| 97 | James H. Clarke | 15 | Son | — | South Carolina |
| 98 | John C. Washington | 58 | Boarder | Farmer | North Carolina |
| 99 | Tom Charles | 36 | Head | Laborer | North Carolina |
| 100 | Ella Charles | 34 | Wife | — | North 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)