JM
John Mason — 1940 US Census Record
Model Tree available1940 United States Federal Census · Spartanburg-County, South Carolina
Our Model Tree links this John Mason across the 1920, 1930 and 1940 US Censuses in Spartanburg-County, South Carolina (XGBoost, ~Confirmed), with identified parents Samuel & Caroline — first a head (b.~1906), then head of a 7-person household.
Age 34
b. ~1906
Male
Head
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Spartanburg-County, South Carolina |
| Surname | Mason |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Spartanburg |
| Additional Details | |
| Occupation | Carpenter |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 800 |
| Highest Grade | No 0 |
| 1935 Residence | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Carpenter |
| Township / Ward | Cherokee Township |
| Est. Birth Year | ~1906 |
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 |
|---|---|---|---|---|
| Geneva Mason | Daughter | — | 11 | ~1929 |
| Gwynetta Mason | Daughter | — | 13 | ~1927 |
| Lila Mason | Daughter | — | 13 | ~1927 |
| John Mason | Head | — | 34 | ~1906 |
| James Mason | Son | — | 9 | ~1931 |
| Wesley Mason | Son | — | 11 | ~1929 |
| Rosa Mason | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Spartanburg, South …
Son, age 13
Spartanburg, South Carolina · implied b. ~1907 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Spartanburg, South …
Son, age 22
Spartanburg, South Carolina · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 16 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Spartanburg-County, South …
Head, age 34
Spartanburg-County, South Carolina · implied b. ~1906 — 7 household members
| Surname | Mason |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Spartanburg |
| Occupation | Carpenter |
| Industry | Building |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 800 |
| Highest Grade | No 0 |
| 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 Mason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samuel Mason (~0.92 confidence) and mother Caroline Mason (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Mason
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Caroline Mason
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mason
Head · 1940 · age 34 · b. ~1906 · 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 — Spartanburg-County, South Carolina
Open full size
1940 US Federal Census — Spartanburg-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03838-00122)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Casson | 12 | Son | — | South Carolina |
| 2 | Ella Casson | 16 | Niece | — | South Carolina |
| 3 | Getz Fowler | 38 | Head | Farmer | South Carolina |
| 4 | Lillie Fowler | 39 | Wife | — | South Carolina |
| 5 | Viola Fowler | 13 | Daughter | — | South Carolina |
| 6 | Ivey Fowler | 10 | Son | — | South Carolina |
| 7 | Paul Fowler | 7 | Son | — | South Carolina |
| 8 | John Fowler | 7 | Son | — | South Carolina |
| 9 | Gulin Fowler | 7 | Son | — | South Carolina |
| 10 | Wilson Fowler | 4 | Son | — | South Carolina |
| 11 | Mary Fowler | 2 | Daughter | — | South Carolina |
| 12 | Martha Fowler | 2 | Daughter | — | South Carolina |
| 13 | Leon Fowler | 1 | Son | — | South Carolina |
| 14 | Rosa Gentry | 26 | Daughter | — | South Carolina |
| 15 | Claud Gentry | 21 | Son-in-law | Labour | South Carolina |
| 16 | Lee Palmer | 30 | Head | Farmer | South Carolina |
| 17 | Marieh Palmer | 32 | Wife | — | South Carolina |
| 18 | Ruth Palmer | 6 | Daughter | — | South Carolina |
| 19 | Rich Palmer | 65 | Father | Labour | South Carolina |
| 20 | John Mason THIS PERSON | 34 | Head | Carpenter | South Carolina |
| 21 | Rosa Lee Mason | 37 | Wife | — | South Carolina |
| 22 | Gwynetta Mason | 13 | Daughter | — | South Carolina |
| 23 | Geneva Mason | 11 | Daughter | — | South Carolina |
| 24 | James Mason | 9 | Son | — | South Carolina |
| 25 | Wesley Mason | 11 | Son | — | South Carolina |
| 26 | Lila James Mason | 13 | Daughter | — | South Carolina |
| 27 | John R. Burnett | 67 | Head | Cotton Buyer | South Carolina |
| 28 | Martha A. Burnett | 65 | Wife | — | South Carolina |
| 29 | Albert Burnett | 35 | Son | Labour | South Carolina |
| 30 | Cly Miller | 39 | Head | Farmer | South Carolina |
| 31 | Priscilla Miller | 33 | Wife | Maid | South Carolina |
| 32 | S. B. Miller | 14 | Son | Labour | South Carolina |
| 33 | J. W. Miller | 10 | Son | — | South Carolina |
| 34 | Janita Miller | 8 | Daughter | — | South Carolina |
| 35 | Fred Miller | 6 | Son | — | South Carolina |
| 36 | Lewis Burnett | 38 | Head | Farmer | South Carolina |
| 37 | Venie Burnett | 38 | Wife | — | South Carolina |
| 38 | Mary Burnett | 15 | Daughter | — | South Carolina |
| 39 | Juanita Burnett | 13 | Daughter | — | South Carolina |
| 40 | Frank H. Morrison | 42 | Head | Coach Repairer | Alabama |
Pedigree Summary
John
Gen 1 · 2 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)