JM
James Mack — 1940 US Census Record
Model Tree available1940 United States Federal Census · Darlington-County, South Carolina
Our Model Tree links this James Mack across the 1920, 1930 and 1940 US Censuses in Darlington-County, South Carolina (XGBoost, ~Confirmed), with identified parents Elijah & James — first a son (b.~1921), then head of a 4-person household.
Age 19
b. ~1921
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Darlington-County, South Carolina |
| Surname | Mack |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (County) | Darlington |
| Additional Details | |
| Occupation | W.P.A. |
| Industry | GW |
| Class of Worker | 230 |
| Highest Grade | No 5 |
| 1935 Residence | 40 |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | W.P.A. |
| Township / Ward | Darlington |
| Est. Birth Year | ~1921 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Mack | Son | — | 19 | ~1921 |
| Anna Mack | Daughter | — | 12 | ~1928 |
| Rebecca Gitt | Head | — | 39 | ~1901 |
| Palmus Mack | Son | — | 17 | ~1923 |
Census Appearances
1920
Darlington, South …
Son, age 1
Darlington, South Carolina · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| 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
Darlington, South …
Son, age 11
Darlington, South Carolina · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Darlington-County, South …
Son, age 19
Darlington-County, South Carolina · implied b. ~1921 — 4 household members
| Surname | Mack |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (County) | Darlington |
| Occupation | W.P.A. |
| Industry | GW |
| Class of Worker | 230 |
| Highest Grade | No 5 |
| 1935 Residence | 40 |
| 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 James Mack across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Elijah Mack (~0.92 confidence) and father James Mack (~0.92 confidence) and mother Alice Mack (~0.92 confidence) and mother Rebecca Mack (~0.92 confidence) and mother Rebecca Gitt (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Elijah Mack
b. ~1890
Source father
● Household
· direct · ~0.92
Father
James Mack
b. ~1901
Source father
● Household
· direct · ~0.92
Mother
Alice Mack
b. ~1900
Source mother
● Household
· direct · ~0.92
Mother
Rebecca Mack
b. ~1901
Source mother
● Household
· direct · ~0.92
Mother
Rebecca Gitt
b. ~1901
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Mack
Son · 1940 · age 19 · b. ~1921 · South Carolina
★ You are viewing this record
Sibling
Anna Mack
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Palmus Mack
Sibling · 1940 · age 17
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 — Darlington-County, South Carolina
Open full size
1940 US Federal Census — Darlington-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03802-00169)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Marie Findlay | 1 | daughter | — | South Carolina |
| 2 | Junius Mcdaniel | 25 | head | Veneer Co | South Carolina |
| 3 | Irene Mcdaniel | 22 | wife | Private Family | South Carolina |
| 4 | Annie Jackson | 60 | head | 6 | South Carolina |
| 5 | Namonie Washington | 16 | daughter | — | South Carolina |
| 6 | Rebecca Gitt | 39 | head | — | South Carolina |
| 7 | James Mack THIS PERSON | 19 | son | W.P.A. | South Carolina |
| 8 | Palmus Mack | 17 | son | Wpa | South Carolina |
| 9 | Anna Mae Mack | 12 | daughter | — | South Carolina |
| 10 | Bossman Collins | 29 | head | Contractor | South Carolina |
| 11 | Creola Collins | 32 | wife | — | South Carolina |
| 12 | Kenneth Collins | 6 | son | — | South Carolina |
| 13 | Thelma Gibson | 27 | head | — | South Carolina |
| 14 | A. W. Bryant | 39 | lodger | Public School | South Carolina |
| 15 | Pearline Doran | 28 | head | Private Family | South Carolina |
| 16 | Julia Mae Doran | 14 | daughter | — | South Carolina |
| 17 | Willie M. Doran | 13 | son | — | South Carolina |
| 18 | Christine Doran | 10 | daughter | — | South Carolina |
| 19 | Baycal Gitt | 22 | lodger | Private Family | South Carolina |
| 20 | Etha Gitt | 26 | sister | — | South Carolina |
| 21 | Johnnie James | 26 | head | Town | South Carolina |
| 22 | Willie Mae James | 23 | wife | — | South Carolina |
| 23 | Edna Odom | 24 | head | Private Family | South Carolina |
| 24 | Mattie M. Odom | 10 | daughter | — | South Carolina |
| 25 | Willie James Odom | 7 | son | — | South Carolina |
| 26 | Rebecca Odom | 5 | daughter | — | South Carolina |
| 27 | Oscar Jr. Odom | 4 | son | — | South Carolina |
| 28 | Joshua Samuel | 40 | head | Automobile | South Carolina |
| 29 | Pauline Samuel | 30 | wife | — | South Carolina |
| 30 | Willie Samuel | 14 | son | Wood Yard | South Carolina |
| 31 | Norman Bruce | 26 | head | W.P.A. | South Carolina |
| 32 | Janice Bruce | 22 | wife | Private Family | South Carolina |
| 33 | Blanch Bruce | 11 | daughter | — | South Carolina |
| 34 | Dorthy Mae Bruce | 10 | daughter | — | South Carolina |
| 35 | Robert Mullins | 27 | head | 16 | South Carolina |
| 36 | Anna Mullins | 24 | wife | — | South Carolina |
| 37 | Robert Jr. Mullins | 6 | son | — | South Carolina |
| 38 | Mattie English | 45 | head | Private Family | South Carolina |
| 39 | Edgar English | 13 | son | — | South Carolina |
| 40 | Anna Walker | 30 | head | Private Family | South Carolina |
Pedigree Summary
James + 2 siblings
Gen 1 · 5 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)