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Fred Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Fred Martin across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed), with identified parents George & Lizzie — first a head (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Martin |
| Given Name | Fred J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Auditor |
| Industry | Sash & Door Co |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 3000 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Auditor |
| Township / Ward | Birmingham |
| Est. Birth Year | ~1898 |
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 |
|---|---|---|---|---|
| Fred Martin | Head | — | 42 | ~1898 |
| Fred Martin | Son | — | 13 | ~1927 |
| Robert Martin | Son | — | 11 | ~1929 |
| Cleopatra Martin | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Jefferson, Alabama
Son, age 22
Jefferson, Alabama · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Freddie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Head, age 32
Jefferson, Alabama · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Fred J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 22 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $30 |
| Radio Set | R |
| Veteran | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Head, age 42
Jefferson-County, Alabama · implied b. ~1898 — 4 household members
| Surname | Martin |
| Given Name | Fred J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Occupation | Auditor |
| Industry | Sash & Door Co |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 3000 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| 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 Fred Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Martin (~0.92 confidence) and mother Lizzie Martin (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Martin
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Lizzie Martin
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Fred Martin
Head · 1940 · age 42 · b. ~1898 · Alabama
★ 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 — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00091-00374)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Grady Sr. Conway | 43 | Head | Salesman | Alabama |
| 2 | Lennie Conway | 39 | Wife | — | Alabama |
| 3 | Judson Conway | 17 | Son | — | Alabama |
| 4 | Elwyn Conway | 13 | Son | — | Alabama |
| 5 | William E. Clayton | 29 | Head | Clerk | Alabama |
| 6 | Eleanor D. Clayton | 31 | Wife | — | Alabama |
| 7 | Billy Clayton | 7 | Son | — | Alabama |
| 8 | Sandra Jean Clayton | 0 | Daughter | — | Alabama |
| 9 | William Newton | 36 | Head | Estimator | Alabama |
| 10 | Dorothy M. Newton | 33 | Wife | — | Alabama |
| 11 | Evelyn Newton | 14 | Daughter | — | Alabama |
| 12 | Barbara Newton | 2 | Daughter | — | Alabama |
| 13 | Fred J. Martin THIS PERSON | 42 | Head | Auditor | Alabama |
| 14 | Cleopatra Martin | 42 | Wife | — | Alabama |
| 15 | Fred J. Jr. Martin | 13 | Son | — | New Jersey |
| 16 | Robert S. Martin | 11 | Son | — | Alabama |
| 17 | Carl Hygin?|Hyginus Cathey | 36 | Head | Seater | Tennessee |
| 18 | Lola G. Cathey | 38 | Wife | — | Alabama |
| 19 | Carl H. Jr. Cathey | 10 | Son | — | Alabama |
| 20 | Damon H. Jones | 30 | Head | Electrician | Florida |
| 21 | Lillian Jones | 20 | Wife | Clerk | Alabama |
| 22 | Robert Barham | 28 | Head | Switchman | Alabama |
| 23 | Florrie Barham | 28 | Wife | Operator | Georgia |
| 24 | Louise D. Barham | 47 | Mother | — | Alabama |
| 25 | Leonard R. Campbell | 37 | Head | Salesman | Virginia |
| 26 | Nannie P. Campbell | 37 | Wife | — | Alabama |
| 27 | Leonard R. Jr. Campbell | 10 | Son | — | Alabama |
| 28 | James Chon Campbell | 7 | Son | — | Alabama |
| 29 | John Carroll Campbell | 1 | Son | — | Alabama |
| 30 | Chester G. Bucsh | 42 | Head | Master Man | Pennsylvania |
| 31 | Geneva D. Bucsh | 46 | Wife | — | Alabama |
| 32 | Joanna Thorpe | 20 | Daughter | — | Florida |
| 33 | Leslie Thorpe | 19 | Daughter | — | Alabama |
| 34 | Elbert R. Hughes | 37 | Head | Meter Installer | Alabama |
| 35 | Bernice Hughes | 30 | Wife | Stenographer | Alabama |
| 36 | Walter H. Olaberry | 45 | Head | Barber | Alabama |
| 37 | Cora L. Olaberry | 47 | Wife | — | Alabama |
| 38 | Walter E. Olaberry | 16 | Daughter | — | Alabama |
| 39 | Glen Durbin | 56 | Head | Assistant | Indiana |
Pedigree Summary
Fred
Gen 1 · 2 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)