JC
John Cummings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charleston-County, South Carolina
Our Model Tree links this John Cummings across the 1930 and 1940 US Censuses in Charleston-County, South Carolina (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 10-person household.
Age 50
b. ~1890
Male
Head
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Charleston-County, South Carolina |
| Surname | Cummings |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 50 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | Charleston |
| Additional Details | |
| Occupation | Laborer |
| Industry | Ordnance Depot |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | No 6 |
| 1935 Residence | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | St Philips St Michaels Twp |
| Est. Birth Year | ~1890 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Carine Cummings | Daughter | — | 14 | ~1926 |
| Kay Cummings | Daughter | — | 13 | ~1927 |
| De Cummings | Daughter | — | 5 | ~1935 |
| Blondell Cummings | Daughter | — | 4 | ~1936 |
| John Cummings | Head | — | 50 | ~1890 |
| Ervin Cummings | Son | — | 7 | ~1933 |
| James Cummings | Son | — | 2 | ~1938 |
| Lucinda Cummings | Son | — | 9 | ~1931 |
| Marion Cummings | Son | — | 24 | ~1916 |
| Annie Cummings | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Charleston, South …
Head, age 40
Charleston, South Carolina · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cummings |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 22 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Federal depot |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Charleston-County, South …
Head, age 50
Charleston-County, South Carolina · implied b. ~1890 — 10 household members
| Surname | Cummings |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 50 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | Charleston |
| Occupation | Laborer |
| Industry | Ordnance Depot |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| 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 Cummings across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Cummings
Head · 1940 · age 50 · b. ~1890 · South Carolina
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Charleston-County, South Carolina
Open full size
1940 US Federal Census — Charleston-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03796-00475)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Pracey Simmons | 23 | Head | Carpenter | South Carolina |
| 2 | Thelma Simmons | 21 | Wife | — | Georgia |
| 3 | Sara Williams | 63 | Head | — | South Carolina |
| 4 | Isaac Williams | 25 | Son | Laborer | South Carolina |
| 5 | Ella Perry | 60 | Head | — | South Carolina |
| 6 | William Perry | 19 | Grandson | — | South Carolina |
| 7 | Sam Rivers | 42 | Head | Janitor | South Carolina |
| 8 | Agnes Rivers | 39 | Wife | — | South Carolina |
| 9 | May Bell Rivers | 15 | Daughter | — | South Carolina |
| 10 | Wilhelmina Rivers | 13 | Daughter | — | South Carolina |
| 11 | Jessie Rivers | 12 | Son | — | South Carolina |
| 12 | Edofus Rivers | 8 | Son | — | South Carolina |
| 13 | Caroline Rivers | 7 | Daughter | — | South Carolina |
| 14 | Alice Rivers | 5 | Daughter | — | South Carolina |
| 15 | Herman Rivers | 4 | Son | — | South Carolina |
| 16 | Vernolia Rivers | 2 | Daughter | — | South Carolina |
| 17 | Jesse Brown | 39 | Head | Laborer | South Carolina |
| 18 | Dorothy Brown | 31 | Wife | — | South Carolina |
| 19 | Lidda Brown | 2 | Daughter | — | South Carolina |
| 20 | John Cummings THIS PERSON | 50 | Head | Laborer | South Carolina |
| 21 | Annie Cummings | 40 | Wife | — | South Carolina |
| 22 | Marion Cummings | 24 | Son | Laborer | South Carolina |
| 23 | Carine Cummings | 14 | Daughter | — | South Carolina |
| 24 | Kay Cummings | 13 | Daughter | — | South Carolina |
| 25 | Lucinda Cummings | 9 | Son | — | South Carolina |
| 26 | Ervin Cummings | 7 | Son | — | South Carolina |
| 27 | De Laris Cummings | 5 | Daughter | — | South Carolina |
| 28 | Blondell Cummings | 4 | Daughter | — | South Carolina |
| 29 | James Cummings | 2 | Son | — | South Carolina |
| 30 | Ester Simmons | 34 | Head | Laborer | South Carolina |
| 31 | Dan Simmons | 13 | Nephew | — | South Carolina |
| 32 | Frank Bryan | 60 | Head | — | South Carolina |
| 33 | Martha Bryan | 55 | Wife | — | South Carolina |
| 34 | Earthie Lee Bryan | 11 | Daughter | — | South Carolina |
| 35 | Wilhelmina Bryan | 9 | Daughter | — | South Carolina |
| 36 | Isabel Smith | 77 | Head | — | South Carolina |
| 37 | Lucy Smith | 63 | Wife | — | South Carolina |
| 38 | Isabel Jr. Smith | 21 | Son | Navy Yard | South Carolina |
| 39 | Elizabeth Smith | 17 | Daughter | Maid | South Carolina |
| 40 | Joseph Smith | 14 | Son | — | 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)