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Fred Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Rockdale-County, Georgia
Our Model Tree links this Fred Martin across the 1920, 1930 and 1940 US Censuses in Rockdale-County, Georgia (XGBoost, ~Confirmed), with identified parents Rosa & Rosie — first a head (b.~1920), then head of a 3-person household.
Age 20
b. ~1920
Male
Head
Born: Georgia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Rockdale-County, Georgia |
| Surname | Martin |
| Given Name | Fred D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Newton |
| Additional Details | |
| Occupation | Farmer |
| Industry | On Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | 10 |
| 1935 Residence | Georgia |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Farmer |
| Township / Ward | Town 476 |
| Est. Birth Year | ~1920 |
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 Fred | Age | Birth yr |
|---|---|---|---|---|
| Hazel Martin | Daughter | — | 1 | ~1939 |
| Fred Martin | Head | — | 20 | ~1920 |
| Nina Martin | Spouse | — | 20 | ~1920 |
Census Appearances
1920
Newton, Georgia
Son, age 1
Newton, Georgia · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Newton, Georgia
Son, age 10
Newton, Georgia · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Rockdale-County, Georgia
Head, age 20
Rockdale-County, Georgia · implied b. ~1920 — 3 household members
| Surname | Martin |
| Given Name | Fred D. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Georgia |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Newton |
| Occupation | Farmer |
| Industry | On Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | 10 |
| 1935 Residence | Georgia |
| 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 Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Rosa Martin (~0.92 confidence) and mother Rosie Martin (~0.92 confidence) and father James Martin (~0.92 confidence) and father Luncis Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Rosa Martin
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Rosie Martin
b. ~1895
Source mother
● Household
· direct · ~0.92
Father
James Martin
b. ~1896
Source father
● Household
· direct · ~0.92
Father
Luncis Martin
b. ~1896
Source father
● Household
· direct · ~0.92
This person
Anchor record
Fred Martin
Head · 1940 · age 20 · b. ~1920 · Georgia
★ 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 — Rockdale-County, Georgia
Open full size
1940 US Federal Census — Rockdale-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00707-00123)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Johnnie P. Sims | 35 | Head | Farmer | Georgia |
| 2 | Mamie Sims | 32 | Wife | Helper | Georgia |
| 3 | Vester Sims | 55 | Uncle | Helper | Georgia |
| 4 | William C. White | 29 | Head | Carpenter | Georgia |
| 5 | Nora Mae White | 26 | Wife | Helper | Georgia |
| 6 | Jean White | 6 | Daughter | — | Georgia |
| 7 | Harry White | 4 | Son | — | Georgia |
| 8 | Fred D. Martin THIS PERSON | 20 | Head | Farmer | Georgia |
| 9 | Nina Martin | 20 | Wife | — | Georgia |
| 10 | Hazel Martin | 1 | Daughter | — | Georgia |
| 11 | Rufus W. Cowan | 40 | Head | Dealer | Georgia |
| 12 | Frances Cowan | 31 | Wife | Helper | Georgia |
| 13 | Sam Cowan | 5 | Son | — | Georgia |
| 14 | Elizabeth Cowan | 1 | Daughter | — | Georgia |
| 15 | Shelly Smith | 61 | Head | Farmer | Georgia |
| 16 | Maude Smith | 57 | Wife | Helper | Georgia |
| 17 | Ralph Smith | 20 | Son | Farmer | Georgia |
| 18 | Otis Cowan | 25 | Head | Carpenter | Georgia |
| 19 | Lula Cowan | 25 | Wife | Spinner | S. Carolina |
| 20 | John Cowan | 50 | Father | Carpenter | Georgia |
| 21 | Jessie Cowan | 27 | Brother | Carpenter | Georgia |
| 22 | Horace Cowan | 19 | Brother | Carpenter | Georgia |
| 23 | H. Eustace Hartley | 41 | Head | Carpenter | Georgia |
| 24 | Willie Myrt Hartley | 38 | Wife | Helper | Georgia |
| 25 | Cora Hartley | 18 | Daughter | Clerical | Georgia |
| 26 | H. Eustace Jr. Hartley | 14 | Son | Helper | Georgia |
| 27 | Willie Hartley | 6 | Daughter | — | Georgia |
| 28 | Binda Rogers | 67 | Mother-in-law | — | Georgia |
| 29 | Leon Hell | 48 | Head | Farmer | Georgia |
| 30 | Frances Hell | 36 | Wife | Seamstress | Georgia |
| 31 | Olene Hell | 17 | Daughter | — | Georgia |
| 32 | Gladys Hell | 15 | Daughter | Helper | Georgia |
| 33 | James Hell | 11 | Son | — | Georgia |
| 34 | Lawson Rodgers | 63 | Head | Poultryman | Georgia |
| 35 | Ben Rodgers | 61 | Brother | Poultryman | Georgia |
| 36 | Lon W. Rodgers | 50 | Brother | Farmer | Georgia |
| 37 | J. Rufus Conner | 62 | Head | Farmer | Georgia |
| 38 | M. J. Conner | 62 | Wife | Helper | Georgia |
| 39 | Flora Jane Parker | 2 | Grand-daughter | — | Georgia |
| 40 | Homer B. Cawthon | 73 | Head | Farmer | Georgia |
Pedigree Summary
Fred
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)