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James Mack — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Perry-County, Alabama
Our Model Tree links this James Mack across the 1930 and 1940 US Censuses in Perry-County, Alabama (XGBoost, ~Confirmed) — first a head (b.~1909), then head of a 9-person household.
Age 31
b. ~1909
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Perry-County, Alabama |
| Surname | Mack |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Perry |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Farmer |
| Township / Ward | 18 P |
| Est. Birth Year | ~1909 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Mack | Head | — | 31 | ~1909 |
| Lucille Mack | Daughter | — | 12 | ~1928 |
| Leroy Mack | Son | — | 4 | ~1936 |
| Nenny Mack | Daughter | — | 10 | ~1930 |
| Malinda Mack | Spouse | — | 30 | ~1910 |
| Alfred Mack | Son | — | 2 | ~1938 |
| Ernestine Mack | Daughter | — | 6 | ~1934 |
| James Mack | Son | — | 8 | ~1932 |
| Thomas Mack | Son | — | 13 | ~1927 |
Census Appearances
1930
Perry, Alabama
Head, age 22
Perry, Alabama · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 18 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | No |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Perry-County, Alabama
Head, age 31
Perry-County, Alabama · implied b. ~1909 — 9 household members
| Surname | Mack |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Perry |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mack
Head · 1940 · age 31 · b. ~1909 · Alabama
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Perry-County, Alabama
Open full size
1940 US Federal Census — Perry-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00073-00642)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Indiana Hopper | 73 | Head | — | Alabama |
| 42 | Jimmie Walker | 40 | Head | Farmer | Alabama |
| 43 | Ruby Walker | 25 | Wife | Farm Laborer | Alabama |
| 44 | Plee Hood | 56 | Head | Farmer | Alabama |
| 45 | Rebecca Hood | 32 | Wife | Farm Laborer | Alabama |
| 46 | Ben Hood | 16 | Son | Farm Laborer | Alabama |
| 47 | Mary Hood | 11 | Daughter | — | Alabama |
| 48 | Lou Ella Hood | 5 | Daughter | — | Alabama |
| 49 | Top Jones Hood | 63 | Head | Farmer | Alabama |
| 50 | Emma Lou Hood | 40 | Wife | Farm Laborer | Alabama |
| 51 | Martha Walker | 65 | Mother-in-law | Farm Laborer | Alabama |
| 52 | John E. Scott | 53 | Head | Farmer | Alabama |
| 53 | Sarah Scott | 52 | Wife | Farm Laborer | Alabama |
| 54 | Mary Frances Scott | 32 | Daughter | Farm Laborer | Alabama |
| 55 | Ned Scott | 18 | Son | Farm Laborer | Alabama |
| 56 | Ead Scott | 18 | Son | Farm Laborer | Alabama |
| 57 | Willie Gene Scott | 17 | Grand Son | — | Alabama |
| 58 | Martha Scott | 15 | Grand Daughter | — | Alabama |
| 59 | Charlie Scott | 14 | Grand Son | — | Alabama |
| 60 | Johnnie Mae Glover | 9 | Grand Daughter | — | Alabama |
| 61 | Louise Scott | 1 | Grand Daughter | — | Alabama |
| 62 | James Mack THIS PERSON | 31 | Head | Farmer | Alabama |
| 63 | Malinda Mack | 30 | Wife | Farm Laborer | Alabama |
| 64 | Thomas Mack | 13 | Son | — | Alabama |
| 65 | Lucille Mack | 12 | Daughter | — | Alabama |
| 66 | Nenny Mae Mack | 10 | Daughter | — | Alabama |
| 67 | James Arthur Mack | 8 | Son | — | Alabama |
| 68 | Ernestine Mack | 6 | Daughter | — | Alabama |
| 69 | Leroy Mack | 4 | Son | — | Alabama |
| 70 | Alfred Mack | 2 | Son | — | Alabama |
| 71 | Abraham Mckinley | 48 | Head | Farmer | Alabama |
| 72 | Lola Mckinley | 38 | Wife | Farm Laborer | Alabama |
| 73 | James Mckinley | 22 | Son | Farm Laborer | Alabama |
| 74 | Samuel James Jackson | 22 | Nephew | Farm Laborer | Alabama |
| 75 | Bell Jackson | 24 | Niece | Farm Laborer | Alabama |
| 76 | Nardis Lee Jackson | 2 | Nephew | — | Alabama |
| 77 | Sarah Jefferson | 79 | Mother | — | Alabama |
| 78 | Robert Walker | 65 | Head | Farmer | Alabama |
| 79 | Matilda Walker | 68 | Wife | Farm Laborer | Alabama |
| 80 | Edgar Lee Walker | 15 | Grandson | — | Alabama |
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)