JM
John Montgomery — 1940 US Census Record
Model Tree available1940 United States Federal Census · Williamsburg-County, South Carolina
Our Model Tree links this John Montgomery across the 1920, 1930 and 1940 US Censuses in Williamsburg-County, South Carolina (XGBoost, ~Confirmed), with identified parents Rena & Rena — first a son (b.~1920), then head of a 7-person household.
Age 20
b. ~1920
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Williamsburg-County, South Carolina |
| Surname | Montgomery |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Penn Township |
| 1935 Residence (County) | Williamsburg |
| Additional Details | |
| Occupation | Laborer |
| Industry | Fertilizer Factory |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 140 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Penn Township |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| Evelene Montgomery | Daughter | — | 19 | ~1921 |
| Maude Montgomery | Head | — | 54 | ~1886 |
| Addie Montgomery | Other | — | 12 | ~1928 |
| Burnie Montgomery | Son | — | 16 | ~1924 |
| John Montgomery | Son | — | 20 | ~1920 |
| Remus Montgomery | Son | — | 22 | ~1918 |
| Margaret Montgomery | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Williamsburg, South …
Son, age 2
Williamsburg, South Carolina · implied b. ~1918 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | Joe |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| 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
Williamsburg, South …
Son, age 12
Williamsburg, South Carolina · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Montgomery |
| Given Name | Joe |
| 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 | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Williamsburg-County, South …
Son, age 20
Williamsburg-County, South Carolina · implied b. ~1920 — 7 household members
| Surname | Montgomery |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Penn Township |
| 1935 Residence (County) | Williamsburg |
| Occupation | Laborer |
| Industry | Fertilizer Factory |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 140 |
| Highest Grade | No 4 |
| 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 John Montgomery across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Rena Montgomery (~0.92 confidence) and mother Rena Montgomery (~0.55 confidence) and mother Maude Montgomery (~0.92 confidence) and mother Margaret Montgomery (~0.60 confidence). The pedigree spans 2 generations with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.75
Mother
Rena Montgomery
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Rena Montgomery
b. ~1880
Source mother>mother
● Household
· direct · ~0.55
Mother
Maude Montgomery
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Margaret Montgomery
b. ~1910
Source mother
● Household
· direct · ~0.6
This person
Anchor record
John Montgomery
Son · 1940 · age 20 · b. ~1920 · South Carolina
★ You are viewing this record
Sibling
Burnie Montgomery
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelene Montgomery
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Remus Montgomery
Sibling · 1940 · age 22
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 — Williamsburg-County, South Carolina
Open full size
1940 US Federal Census — Williamsburg-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03844-00234)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Fulton | 7 | Son | — | South Carolina |
| 42 | Marcenia Fulton | 6 | Daughter | — | South Carolina |
| 43 | Marylee Fulton | 2 | Daughter | — | South Carolina |
| 44 | Liza Anne Darley | 40 | Head | Laborer | South Carolina |
| 45 | John Darley | 21 | Son | Laborer | South Carolina |
| 46 | Daniel Darley | 16 | Son | — | South Carolina |
| 47 | Rowena Darley | 12 | Daughter | — | South Carolina |
| 48 | Thomas Darley | 10 | Son | — | South Carolina |
| 49 | Maude Montgomery | 54 | Head | Farmer | South Carolina |
| 50 | Margaret Montgomery | 30 | Wife | Laborer | South Carolina |
| 51 | Remus Montgomery | 22 | Son | Laborer | South Carolina |
| 52 | John Montgomery THIS PERSON | 20 | Son | Laborer | South Carolina |
| 53 | Evelene Montgomery | 19 | Daughter | Laborer | South Carolina |
| 54 | Burnie Montgomery | 16 | Son | — | South Carolina |
| 55 | Addie Montgomery | 12 | Granddaughter | — | South Carolina |
| 56 | Mary Joyner | 62 | Head | Laborer | South Carolina |
| 57 | Anna Wilson | 30 | Daughter | Laborer | South Carolina |
| 58 | Viola Burgess | 19 | Granddaughter | Laborer | South Carolina |
| 59 | Robert Lee Wilson | 10 | Grandson | — | South Carolina |
| 60 | Abraham Wilson | 8 | Grandson | — | South Carolina |
| 61 | Arthur Ed Mccrea | 41 | Head | Farmer | South Carolina |
| 62 | Zela Mccrea | 35 | Wife | — | South Carolina |
| 63 | Edward Mccrea | 12 | Son | — | South Carolina |
| 64 | Willie Mccrea | 10 | Son | — | South Carolina |
| 65 | Brice Mccrea | 8 | Son | — | South Carolina |
| 66 | Jean Mccrea | 2 | Daughter | — | South Carolina |
| 67 | Lizzie Lifrage | 46 | Head | Farmer | South Carolina |
| 68 | Corrine Lifrage | 40 | Sister | — | South Carolina |
| 69 | Angelina Montgomery | 81 | Aunt | — | South Carolina |
| 70 | W. F. Lifrage | 52 | Head | Farmer | South Carolina |
| 71 | V. G. Lifrage | 92 | Father | — | South Carolina |
| 72 | Cristiana Lifrage | 84 | Mother | — | South Carolina |
| 73 | Wilhelmina Lifrage | 59 | Sister | — | South Carolina |
| 74 | Paula Lifrage | 57 | Sister | — | South Carolina |
| 75 | Sam Scott | 51 | Head | Farmer | South Carolina |
| 76 | Florine Scott | 50 | Wife | Laborer | South Carolina |
| 77 | Eveline Scott | 13 | Granddaughter | — | South Carolina |
| 78 | Sarah Scott | 12 | Stepdaughter | — | South Carolina |
| 79 | Daniel Brown | 86 | Head | — | South Carolina |
| 80 | Ida Brown | 52 | Wife | Laborer | South Carolina |
Pedigree Summary
John + 3 siblings
Gen 1 · 3 parents
~0.81
Gen 2 · 1 grandparents
~0.55
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)