JM
James Mack — 1940 US Census Record
Model Tree available1940 United States Federal Census · Warren-County, Mississippi
Our Model Tree links this James Mack across the 1920, 1930 and 1940 US Censuses in Warren-County, Mississippi (XGBoost, ~Confirmed), with identified parents Charley & John — first a head (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Head
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Warren-County, Mississippi |
| Surname | Mack |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Vicksburg City |
| 1935 Residence (County) | Warren |
| Additional Details | |
| Occupation | Porter |
| Industry | a Grocery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 250 |
| Highest Grade | No 9 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Porter |
| Township / Ward | Vicksburg City |
| Est. Birth Year | ~1913 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Cecelia Mack | Daughter | — | 2 | ~1938 |
| James Mack | Head | — | 27 | ~1913 |
| Margaret Mack | Spouse | — | 21 | ~1919 |
Census Appearances
1920
Washington, Mississippi
Son, age 5
Washington, Mississippi · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Sunflower, Mississippi
Son, age 16
Sunflower, Mississippi · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Warren-County, Mississippi
Head, age 27
Warren-County, Mississippi · implied b. ~1913 — 3 household members
| Surname | Mack |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Vicksburg City |
| 1935 Residence (County) | Warren |
| Occupation | Porter |
| Industry | a Grocery |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 250 |
| Highest Grade | No 9 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 3 locations, using XGBoost record linkage. Identified parents: father Charley Mack (~0.92 confidence) and father John Mack (~0.92 confidence) and mother Lula Mack (~0.92 confidence) and mother Mary Mack (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charley Mack
b. ~1867
Source father
● Household
· direct · ~0.92
Father
John Mack
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Lula Mack
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Mary Mack
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Mack
Head · 1940 · age 27 · b. ~1913 · Mississippi
★ 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 — Warren-County, Mississippi
Open full size
1940 US Federal Census — Warren-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02074-00696)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Banks | 18 | Head | Laborer | Mississippi |
| 42 | James Mack THIS PERSON | 27 | Head | Porter | Mississippi |
| 43 | Margaret Mack | 21 | Wife | — | Mississippi |
| 44 | Cecelia Mack | 2 | Daughter | — | Mississippi |
| 45 | James Collins | 50 | Head | Grading | Mississippi |
| 46 | Alice Collins | 50 | Wife | Cook | Mississippi |
| 47 | Gladys Collins | 23 | Daughter | — | Mississippi |
| 48 | James Collins | 3 | Son | — | Mississippi |
| 49 | Jane Holmes | 55 | Head | Laborer | Mississippi |
| 50 | Emma Holmes | 47 | Wife | Maid | Louisiana |
| 51 | Willie Mae Bell | 48 | Head | Cook | Alabama |
| 52 | J. E. Jr. Bell | 15 | Son | Bus Boy | Mississippi |
| 53 | Sherie Hunter | 74 | Mother | — | Georgia |
| 54 | Met Lawrence | 30 | Head | Chauffeur | Mississippi |
| 55 | Olena Lawrence | 26 | Wife | Maid | Mississippi |
| 56 | J. E. Moore | 27 | Head | Sawyer | Mississippi |
| 57 | Jessie Mae Moore | 24 | Wife | Cook | Mississippi |
| 58 | Estella Griffin | 18 | Cousin | — | Mississippi |
| 59 | Charlie Hill | 56 | Head | Laborer | Louisiana |
| 60 | Rosalie Hill | 40 | Wife | Maid | Louisiana |
| 61 | Charlie Jr. Hill | 18 | Son | Laborer | Arkansas |
| 62 | Sonnie Hill | 17 | Daughter | Laundress | Mississippi |
| 63 | Beatrice Young | 44 | Head | Laundress | Mississippi |
| 64 | Taylor Young | 97 | Father | — | Mississippi |
| 65 | Melissa Carter | 60 | Head | Nurse | Mississippi |
| 66 | Mary Washington | 40 | Head | Laborer | Mississippi |
| 67 | Lulu Carter | 33 | Wife | — | Mississippi |
| 68 | Julia Washington | 8 | Daughter | — | Mississippi |
| 69 | Pleasant Patterson | 39 | Head | Chauffeur | Louisiana |
| 70 | Jennie Patterson | 31 | Wife | — | Mississippi |
| 71 | Ima Davis | 50 | Mother in law | — | Mississippi |
| 72 | James Reese | 48 | Head | Janitor | Mississippi |
| 73 | Mattie Reese | 46 | Wife | — | Mississippi |
| 74 | Lawrence Mcgee | 46 | Boarder | Teacher | Mississippi |
| 75 | Henry Shell | 29 | Head | Skidder | Mississippi |
| 76 | Laura Shell | 28 | Wife | Cook | Mississippi |
| 77 | R. D. Jackson | 28 | Boarder | Painter | Mississippi |
| 78 | John Springs | 23 | Head | Laborer | Mississippi |
| 79 | Hattie Mae Springs | 21 | Wife | — | Mississippi |
| 80 | Eddie Vernell | 27 | Head | Baker | Tennessee |
Pedigree Summary
James
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)