JM
John Mack — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Bibb, Georgia
Our Model Tree links this John Mack across the 1930 and 1940 US Censuses in Bibb, Georgia (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 13-person household.
Age 16
b. ~1914
Male
Son
Born: Georgia
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Bibb, Georgia |
| Surname | Mack |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Additional Details | |
| Occupation | Laborer |
| Industry | Clay Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Laborer |
| Township / Ward | Macon City |
| Est. Birth Year | ~1914 |
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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Fannie Mack | Daughter | — | 13 | ~1917 |
| Oscar Mack | Son | — | 5 | ~1925 |
| George Mack | Son | — | 11 | ~1919 |
| Leo Mack | Son | — | 14 | ~1916 |
| Alberta Mack | Daughter | — | 17 | ~1913 |
| Charlie Nelson | Other | — | 60 | ~1870 |
| Annie Mack | Daughter | — | 12 | ~1918 |
| Clara Mack | Daughter | — | 7 | ~1923 |
| Rosa Mack | Daughter | — | 9 | ~1921 |
| John Mack | Son | — | 16 | ~1914 |
| Vella Mack | Other | — | 37 | ~1893 |
| Oscar Mack | Head | — | 36 | ~1894 |
| Grover Mack | Son | — | 3 | ~1927 |
Census Appearances
1930
Bibb, Georgia
Son, age 16
Bibb, Georgia · implied b. ~1914 — 13 household members
| Surname | Mack |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Laborer |
| Industry | Clay Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Houston-County, Georgia
Other, age 25
Houston-County, Georgia · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mack |
| Given Name | Johnnie J. |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Lower Eleventh M.D. 970 |
| 1935 Residence (County) | Houston |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Mack across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mack
Son · 1930 · age 16 · b. ~1914 · Georgia
★ You are viewing this record
Sibling
Annie Mack
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Mack
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oscar Mack
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alberta Mack
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Mack
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grover Mack
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Mack
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fannie Mack
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Mack
Sibling · 1930 · age 9
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
1930 US Federal Census — Bibb, Georgia
Open full size
1930 US Federal Census — Bibb, Georgia
Page Contents
50 people indexed on this census page (ia:1930:georgiacensus00reel338:0667)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Bland | 60 | Head | Washerwoman | Georgia |
| 2 | Sallie Carr | 38 | Head-H | Sweeper | Georgia |
| 3 | Albert Jr Carr | 16 | Son | Coach Washer | Georgia |
| 4 | Annie M Carr | 13 | Daughter | — | Georgia |
| 5 | Steven Barnes | 40 | Head | Stationary Fireman | Georgia |
| 6 | Rosa Barnes | 40 | Wife | Washerwoman | Georgia |
| 7 | John H Ussery | 18 | Step-son | Coach Washer | Georgia |
| 8 | Clarence Ussery | 15 | Step-son | Delivery Boy | Georgia |
| 9 | Florence Ussery | 10 | Step-daughter | — | Georgia |
| 10 | Hattie Smith | 23 | Sister | — | Georgia |
| 11 | Lonnie Pope | 37 | Head | Barber | Georgia |
| 12 | Lenora Pope | 31 | Wife-H | — | Georgia |
| 13 | Irene M Pope | 12 | Daughter | — | Georgia |
| 14 | Fred P Pope | 8 | Son | — | Georgia |
| 15 | Lula M Pope | 5 | Daughter | — | Georgia |
| 16 | Mahaley Rames | 58 | Sister-in-law | — | Georgia |
| 17 | Ida L Rames | 19 | Niece | Spinner | Georgia |
| 18 | Allen L Lones | 39 | Head | Operator | Georgia |
| 19 | Magnolia Lones | 34 | Wife | — | Georgia |
| 20 | Thomas L Lones | 13 | Son | — | Georgia |
| 21 | Frances Lones | 10 | Daughter | — | Georgia |
| 22 | Mary V Lones | 7 | Daughter | — | Georgia |
| 23 | William J Lones | 4 | Son | — | Georgia |
| 24 | James A Lones | 41 | Brother | Painter | Georgia |
| 25 | Luke N Gunn | 53 | Boarder | Painter | Georgia |
| 26 | John R Durden | 26 | Head | Apiarist | Georgia |
| 27 | Emma L Durden | 25 | Wife | — | Tennessee |
| 28 | John R Jr Durden | 1 | Son | — | Georgia |
| 29 | Albert H Durden | 1 | Son | — | Georgia |
| 30 | Lewis F Durden | 0 | Son | — | Georgia |
| 31 | James M Williford | 26 | Head | Pipefitter | Georgia |
| 32 | Marion L Williford | 19 | Wife-H | — | Georgia |
| 33 | James M Jr Williford | 3 | Son | — | Georgia |
| 34 | Julia Wright | 48 | Head | — | Georgia |
| 35 | Mattie Wright | 24 | Daughter | Teacher | Georgia |
| 36 | Oscar Mack | 36 | Head | Laborer | Georgia |
| 37 | Vella Mack | 37 | Wife-H | Washerwoman | Georgia |
| 38 | Alberta Mack | 17 | Daughter | Maid | Georgia |
| 39 | John Mack THIS PERSON | 16 | Son | Laborer | Georgia |
| 40 | Leo D Mack | 14 | Son | — | Georgia |
| 41 | Fannie M Mack | 13 | Daughter | — | Georgia |
| 42 | Annie B Mack | 12 | Daughter | — | Georgia |
| 43 | George E Mack | 11 | Son | — | Georgia |
| 44 | Rosa L Mack | 9 | Daughter | — | Georgia |
| 45 | Clara Mack | 7 | Daughter | — | Georgia |
| 46 | Oscar Jr Mack | 5 | Son | — | Georgia |
| 47 | Grover Mack | 3 | Son | — | Georgia |
| 48 | Charlie Nelson | 60 | Father-in-law | — | Georgia |
| 49 | Odie Wells | 37 | Head | Locomotive Fireman | Georgia |
| 50 | Phenie Wells | 35 | Wife-H | — | Georgia |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)