PJ
Peter Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allendale-County, South Carolina
Our Model Tree links this Peter Johnson across the 1920, 1930 and 1940 US Censuses in Allendale-County, South Carolina (XGBoost, ~Confirmed), with identified parents Joe & Jim — first a son (b.~1912), then head of a 8-person household.
Age 28
b. ~1912
Male
Son
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allendale-County, South Carolina |
| Surname | Johnson |
| Given Name | Peter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Allendale |
| Additional Details | |
| Occupation | Laborer |
| Industry | Saw mill |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 250 |
| Highest Grade | No 3 |
| 1935 Residence | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Bull Pond Twp |
| Est. Birth Year | ~1912 |
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 1940 census.
| Name | Relation to head | Relative to Peter | Age | Birth yr |
|---|---|---|---|---|
| Lavinia Johnson | Daughter | — | 16 | ~1924 |
| Johnnie Johnson | Head | — | 52 | ~1888 |
| Ginuard Johnson | Other | — | 5 | ~1935 |
| Marie Johnson | Other | — | 3 | ~1937 |
| Lillie Pippins | Other | — | 41 | ~1899 |
| Pauline Johnson | Other | — | 21 | ~1919 |
| Peter Johnson | Son | — | 28 | ~1912 |
| Grace Johnson | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Allendale, South …
Son, age 6
Allendale, South Carolina · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Peter |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Allendale, South …
Son, age 17
Allendale, South Carolina · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Peter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Logger |
| Industry | Saw mill |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Allendale-County, South …
Son, age 28
Allendale-County, South Carolina · implied b. ~1912 — 8 household members
| Surname | Johnson |
| Given Name | Peter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Allendale |
| Occupation | Laborer |
| Industry | Saw mill |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 250 |
| Highest Grade | No 3 |
| 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 Peter Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joe Johnson (~0.92 confidence) and father Jim Johnson (~0.92 confidence) and mother Lula Johnson (~0.92 confidence) and mother Grace Johnson (~0.92 confidence) and father Johnnie Johnson (~0.92 confidence) and mother Grace Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joe Johnson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Jim Johnson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Lula Johnson
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Grace Johnson
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Johnnie Johnson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Grace Johnson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Peter Johnson
Son · 1940 · age 28 · b. ~1912 · South Carolina
★ You are viewing this record
Sibling
Lavinia Johnson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allendale-County, South Carolina
Open full size
1940 US Federal Census — Allendale-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03784-00224)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Doe | 37 | Head | Laborer | South Carolina |
| 2 | Annie Doe | 39 | Wife | — | South Carolina |
| 3 | Louise Doe | 13 | Daughter | — | South Carolina |
| 4 | Mary Doe | 10 | Daughter | — | South Carolina |
| 5 | Georgiana Doe | 5 | Daughter | — | South Carolina |
| 6 | Fannie Doe | 3 | Daughter | — | South Carolina |
| 7 | Henry Seabrooks | 17 | Head | Laborer | South Carolina |
| 8 | Virginia Seabrooks | 15 | Sister | — | South Carolina |
| 9 | Wesley Williams | 45 | Head | Laborer | South Carolina |
| 10 | Essie Williams | 29 | Wife | — | South Carolina |
| 11 | Mary Williams | 13 | Daughter | — | South Carolina |
| 12 | Kate Williams | 8 | Daughter | — | South Carolina |
| 13 | Wesley Jr. Williams | 1 | Son | — | South Carolina |
| 14 | Elar Doe | 60 | Friend | Laborer | South Carolina |
| 15 | Wesley Harden | 34 | Head | Laborer | South Carolina |
| 16 | Mayetta Harden | 34 | Wife | — | South Carolina |
| 17 | Lula Harden | 16 | Son | — | South Carolina |
| 18 | Gertrude Harden | 14 | Daughter | — | South Carolina |
| 19 | Marie Harden | 12 | Daughter | — | South Carolina |
| 20 | Benjamin Harden | 10 | Son | — | South Carolina |
| 21 | Wilson Doe | 60 | Head | — | South Carolina |
| 22 | Florence Doe | 50 | Wife | — | South Carolina |
| 23 | Peter Doe | 20 | Son | Laborer | South Carolina |
| 24 | Macon Doe | 15 | Son | — | South Carolina |
| 25 | Leroy Doe | 10 | Son | — | South Carolina |
| 26 | Henry Williams | 72 | Head | Farming | South Carolina |
| 27 | Johnnie Johnson | 52 | Head | Farming | South Carolina |
| 28 | Grace Johnson | 45 | Wife | — | South Carolina |
| 29 | Lavinia Johnson | 16 | Daughter | — | South Carolina |
| 30 | Peter Johnson THIS PERSON | 28 | Son | Laborer | South Carolina |
| 31 | Pauline Johnson | 21 | Daughter-in-law | Laborer | South Carolina |
| 32 | Ginuard Johnson | 5 | Grandson | — | South Carolina |
| 33 | Marie Johnson | 3 | Granddaughter | — | South Carolina |
| 34 | Lillie Pippins | 41 | Cousin | — | South Carolina |
| 35 | William Robinson | 42 | Head | Farming | South Carolina |
| 36 | Rosa Robinson | 30 | Wife | — | South Carolina |
| 37 | Isaiah Harrison | 22 | Head | Farming | South Carolina |
| 38 | Alberta Harrison | 19 | Wife | — | South Carolina |
| 39 | Lucile Harrison | 1 | Daughter | — | South Carolina |
| 40 | Eliza Harrison | 50 | Mother | — | South Carolina |
Pedigree Summary
Peter + 1 sibling
Gen 1 · 6 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)