FT
Fred Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bibb-County, Georgia
Our Model Tree links this Fred Thomas across the 1920, 1930 and 1940 US Censuses in Bibb-County, Georgia (XGBoost, ~Confirmed), with identified parents Dave & Mattie — first a son (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Son
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bibb-County, Georgia |
| Surname | Thomas |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Macon |
| 1935 Residence (County) | Bibb |
| Additional Details | |
| Occupation | janitor |
| Industry | church |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 468 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Janitor |
| Township / Ward | Macon |
| Est. Birth Year | ~1911 |
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 Fred | Age | Birth yr |
|---|---|---|---|---|
| Lillie Thomas | Daughter | — | 26 | ~1914 |
| Emmett Bivins | Head | — | 49 | ~1891 |
| Fred Thomas | Son | — | 29 | ~1911 |
| Rosie Bivins | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Bibb, Georgia
Son, age 9
Bibb, Georgia · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Freddie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Bibb, Georgia
Son, age 18
Bibb, Georgia · implied b. ~1912 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | Delivery boy |
| Industry | Hat store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Bibb-County, Georgia
Son, age 29
Bibb-County, Georgia · implied b. ~1911 — 4 household members
| Surname | Thomas |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | Macon |
| 1935 Residence (County) | Bibb |
| Occupation | janitor |
| Industry | church |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 468 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| 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 Fred Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Dave Thomas (~0.92 confidence) and mother Mattie Thomas (~0.92 confidence) and father Barrow Thomas (~0.92 confidence) and father Emmett Bivins (~0.92 confidence) and mother Rosie Bivins (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Dave Thomas
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Mattie Thomas
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
Barrow Thomas
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Emmett Bivins
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Rosie Bivins
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Fred Thomas
Son · 1940 · age 29 · b. ~1911 · Georgia
★ You are viewing this record
Sibling
Lillie Thomas
Sibling · 1940 · age 26
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 — Bibb-County, Georgia
Open full size
1940 US Federal Census — Bibb-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00641-00615)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Abbie Scott | 35 | Sister-in-law | Maid | Georgia |
| 2 | Marion J. Holbrook | 38 | Head | Letter Carrier | Georgia |
| 3 | Birdie O. Holbrook | 36 | Wife | Teacher | Georgia |
| 4 | Emmett Otis Bivins | 49 | Head | Minister | Georgia |
| 5 | Rosie Roberta Bivins | 48 | Wife | — | Georgia |
| 6 | Fred Thomas THIS PERSON | 29 | Son | Janitor | Georgia |
| 7 | Lillie B. Thomas | 26 | Daughter | Cook | Georgia |
| 8 | Furney D. Mashburn | 35 | Head | Minister | North Carolina |
| 9 | Velma Mashburn | 28 | Wife | — | Georgia |
| 10 | Elaine Mashburn | 12 | Daughter | — | Georgia |
| 11 | Aubin H. Willis | 35 | Head | Manager | Georgia |
| 12 | Lucile Willis | 30 | Wife | — | Georgia |
| 13 | Aubin H. Jr. Willis | 12 | Son | — | Georgia |
| 14 | Mary Belle Willis | 64 | Mother | — | Georgia |
| 15 | Guy U. Loyd | 37 | Head | Carpenter | Georgia |
| 16 | Rosa Lee Loyd | 33 | Wife | Spool | Georgia |
| 17 | Walter Alair | 53 | Head | Helper | Florida |
| 18 | Mattie Q. Alair | 46 | Wife | — | Florida |
| 19 | Merle Alair | 15 | Son | — | Georgia |
| 20 | Thomas Irene Alair | 20 | Daughter | — | Florida |
| 21 | Cecil B. Alair | 24 | Son-in-law | Truck Driver | Georgia |
| 22 | William H. Chapman | 66 | Head | Retired-Man | Georgia |
| 23 | Eliza Elizabeth Chapman | 63 | Wife | — | Georgia |
| 24 | Wilmer Lawson Hartley | 24 | Head | Truck Driver | Georgia |
| 25 | Virginia Elizabeth Hartley | 24 | Wife | — | Georgia |
| 26 | Florence Martin | 51 | Head | — | Georgia |
| 27 | James Martin | 29 | Son | Collector | Georgia |
| 28 | Zonie Pearce | 71 | Mother | — | Georgia |
| 29 | Arnold Adams | 28 | Head | Reproduction | Georgia |
| 30 | Clifford Estelle Adams | 27 | Wife | — | Georgia |
| 31 | Arnold J. Jr. Adams | 6 | Son | — | Georgia |
| 32 | John William Adams | 4 | Son | — | Georgia |
| 33 | Lester F. Hanks | 60 | Head | — | Alabama |
| 34 | Mary C. Hanks | 63 | Wife | Seamstress | Georgia |
| 35 | Retadnez Bloodworth | 21 | Nurse | No No No No | Georgia |
| 36 | Eptal Adel Cook | 23 | Nurse | No No No No | Georgia |
| 37 | Lucile Crook | 21 | Nurse | No No No No | Georgia |
| 38 | Mary Elizabeth Hartley | 21 | Nurse | — | Georgia |
| 39 | Ruth D. Patterson | 21 | Nurse | No No No No | Georgia |
| 40 | Rochelle Mccowell | 28 | Nurse | No No No No | Georgia |
Pedigree Summary
Fred + 1 sibling
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)