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Isaac Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Fairfield-County, South Carolina
Our Model Tree links this Isaac Jones across the 1920, 1930 and 1940 US Censuses in Fairfield-County, South Carolina (XGBoost, ~Confirmed), with identified parents John & Beck — first a head (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Head
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Fairfield-County, South Carolina |
| Surname | Jones |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | 18015 |
| 1935 Residence (County) | Fairfield |
| Additional Details | |
| Occupation | Saw mill labor |
| Industry | Saw mill |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 200 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Saw Mill Labor |
| Township / Ward | 18015 |
| Est. Birth Year | ~1917 |
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 1940 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Hattie Jones | Daughter | — | 6 | ~1934 |
| Isaac Jones | Head | — | 23 | ~1917 |
| Lewis Jones | Son | — | 12 | ~1928 |
| Estelle Jones | Spouse | — | 24 | ~1916 |
Census Appearances
1920
Mecklenburg, North …
Son, age 2
Mecklenburg, North Carolina · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mulatto |
| Age | 2 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Mecklenburg, North …
Son, age 12
Mecklenburg, North Carolina · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Cook |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Fairfield-County, South …
Head, age 23
Fairfield-County, South Carolina · implied b. ~1917 — 4 household members
| Surname | Jones |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | 18015 |
| 1935 Residence (County) | Fairfield |
| Occupation | Saw mill labor |
| Industry | Saw mill |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 200 |
| Highest Grade | No 0 |
| 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 Isaac Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Jones (~0.92 confidence) and mother Beck Jones (~0.92 confidence) and father Ernest Jones (~0.92 confidence) and mother Lula Jones (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Jones
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Beck Jones
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Ernest Jones
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Lula Jones
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Isaac Jones
Head · 1940 · age 23 · b. ~1917 · 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 — Fairfield-County, South Carolina
Open full size
1940 US Federal Census — Fairfield-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03807-00678)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henry C. Fuller | 57 | Head | Farmer | South Carolina |
| 42 | Fannie Fuller | 62 | Wife | — | South Carolina |
| 43 | Sammy Peay | 40 | Head | Farmer | South Carolina |
| 44 | Lennie Peay | 33 | Wife | Farm Worker | South Carolina |
| 45 | Mamie Moses | 18 | niece | Farm Worker | South Carolina |
| 46 | Tom Peay | 24 | Head | Farmer | South Carolina |
| 47 | Lizzie M. Peay | 23 | Wife | Farm Worker | South Carolina |
| 48 | Tom Jr. Peay | 5 | Son | — | South Carolina |
| 49 | De Lois Peay | 2 | Daughter | — | South Carolina |
| 50 | Nathaniel Peay | 0 | Son | — | South Carolina |
| 51 | Charlie L. Beam | 63 | Head | Farmer | North Carolina |
| 52 | Mary Beam | 63 | Wife | — | North Carolina |
| 53 | Laurance Beam | 35 | Son | Quarry Worker | North Carolina |
| 54 | Perry Percell | 36 | Head | Fireman | South Carolina |
| 55 | Lilla Percell | 34 | Wife | Day Labor | South Carolina |
| 56 | Sadie Mills | 13 | Niece | — | South Carolina |
| 57 | George Stone | 35 | Head | Saw Mill Labor | South Carolina |
| 58 | Mary Stone | 32 | Wife | Day Hand | South Carolina |
| 59 | Willie L. Stone | 15 | Son | Farm Hand | South Carolina |
| 60 | Emma Stone | 13 | Daughter | — | South Carolina |
| 61 | George Stone | 11 | Son | — | South Carolina |
| 62 | Annie M. Stone | 9 | Daughter | — | South Carolina |
| 63 | James Stone | 6 | Son | — | South Carolina |
| 64 | Robert L. Stone | 4 | Son | — | South Carolina |
| 65 | Sammie Stone | 3 | Son | — | South Carolina |
| 66 | Eloise Stone | 1 | Daughter | — | South Carolina |
| 67 | Roy Berge | 26 | Head | Saw Mill Hand | South Carolina |
| 68 | Hattie Berge | 24 | Wife | Farm Day Hand | South Carolina |
| 69 | John A. Berge | 6 | Son | — | South Carolina |
| 70 | James Berge | 3 | Son | — | South Carolina |
| 71 | Isaac Jones THIS PERSON | 23 | Head | Saw Mill Labor | South Carolina |
| 72 | Estelle Jones | 24 | Wife | — | South Carolina |
| 73 | Lewis Jones | 12 | Son | — | South Carolina |
| 74 | Hattie Jones | 6 | Daughter | — | South Carolina |
| 75 | Elijah James | 36 | Head | Quarry Work | South Carolina |
| 76 | Millie M. James | 34 | Wife | — | South Carolina |
| 77 | Lee J. James | 14 | Son | — | South Carolina |
| 78 | Wilfrid James | 12 | Son | — | South Carolina |
| 79 | Fred James | 7 | Son | — | South Carolina |
| 80 | Jack James | 6 | Son | — | South Carolina |
Pedigree Summary
Isaac
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 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)