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John Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Perry-County, Alabama
Our Model Tree links this John Martin across the 1920, 1930 and 1940 US Censuses in Perry-County, Alabama (XGBoost, ~Confirmed), with identified parents John & Willie — first a head (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Head
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Perry-County, Alabama |
| Surname | Martin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Prec. 1, Marion |
| 1935 Residence (County) | Perry |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 200 |
| Highest Grade | No 1 |
| 1935 Residence | Same House |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Farmer |
| Township / Ward | Prec 1 Marion |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Nancy Martin | Daughter | — | 7 | ~1933 |
| John Martin | Head | — | 31 | ~1909 |
| Mary Martin | Other | — | 78 | ~1862 |
| Velma Martin | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Perry, Alabama
Son, age 10
Perry, Alabama · implied b. ~1910 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Perry, Alabama
Son, age 18
Perry, Alabama · implied b. ~1912 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Laborer |
| Industry | Gen Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Perry-County, Alabama
Head, age 31
Perry-County, Alabama · implied b. ~1909 — 4 household members
| Surname | Martin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Prec. 1, Marion |
| 1935 Residence (County) | Perry |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 200 |
| Highest Grade | No 1 |
| 1935 Residence | Same House |
| 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 John Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Martin (~0.92 confidence) and father Willie Martin (~0.92 confidence) and mother Mattie Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Martin
b. ~1896
Source father
● Household
· direct · ~0.92
Father
Willie Martin
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mattie Martin
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Martin
Head · 1940 · age 31 · b. ~1909 · 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 — 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-t0627-00073-00114)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Annie Mae Johnson | 16 | Step-daughter | Laborer | Alabama |
| 42 | Annie Mae Johnson | 13 | Step-daughter | Laborer | Alabama |
| 43 | Eddie Johnson | 13 | Step-son | — | Alabama |
| 44 | Arthur Johnson | 25 | Head | Share Cropper | Alabama |
| 45 | Lucile Johnson | 21 | Wife | Helper | Alabama |
| 46 | Arthur Jr. Johnson | 2 | Son | — | Alabama |
| 47 | J. H. Gayle | 44 | Head | Farmer | Alabama |
| 48 | Cecile C. Gayle | 44 | Wife | — | Alabama |
| 49 | Fanny W. Cockrum | 73 | Mother-in-law | — | Alabama |
| 50 | Jack Craig | 34 | Head | Farmer | Alabama |
| 51 | Peggy Craig | 29 | Wife | Laborer | Alabama |
| 52 | Will Craig | 12 | Son | — | Alabama |
| 53 | Will Craig | 11 | Son | — | Alabama |
| 54 | Allen Craig | 10 | Son | — | Alabama |
| 55 | Allie Mae Craig | 8 | Daughter | — | Alabama |
| 56 | Sarah Craig | 7 | Daughter | — | Alabama |
| 57 | Oliver Craig | 5 | Son | — | Alabama |
| 58 | Estelle Craig | 1 | Daughter | — | Alabama |
| 59 | David Craig | 12 | Grandson | — | Alabama |
| 60 | Will Martin | 50 | Head | Farmer | Alabama |
| 61 | Mary Martin | 52 | Wife | Laborer | Alabama |
| 62 | Mary Martin | 16 | Daughter | Laborer | Alabama |
| 63 | Lucile Martin | 14 | Daughter | — | Alabama |
| 64 | Sarah Lee Cole | 7 | Granddaughter | — | Alabama |
| 65 | Bessie Lou Fenches | 7 | Granddaughter | — | Alabama |
| 66 | Cornelius Fenches | 9 | Grandson | — | Alabama |
| 67 | John Martin THIS PERSON | 31 | Head | Farmer | Alabama |
| 68 | Velma Martin | 28 | Wife | Helper | Alabama |
| 69 | Nancy Martin | 7 | Daughter | — | Alabama |
| 70 | Mary Martin | 78 | Grandmother | Laborer | Alabama |
| 71 | Jessie Bell | 22 | Head | Farmer | Alabama |
| 72 | Sallie Mitchell | 34 | Head | Farmer | Alabama |
| 73 | Will Mitchell | 9 | Son | — | Alabama |
| 74 | John Wesley Mitchell | 6 | Son | — | Alabama |
| 75 | Lucile Mitchell | 2 | Daughter | — | Alabama |
| 76 | Pack Craig | 27 | Head | Farmer | Alabama |
| 77 | Melinda Craig | 25 | Wife | Laborer | Alabama |
| 78 | Joseph Craig | 5 | Son | — | Alabama |
| 79 | Ida Mae Craig | 4 | Daughter | — | Alabama |
| 80 | Bertha Mae Craig | 1 | Daughter | — | Alabama |
Related Census Records
Pedigree Summary
John
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)