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Earl Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Knott-County, Kentucky
Our Model Tree links this Earl Martin across the 1920, 1930 and 1940 US Censuses in Knott-County, Kentucky (XGBoost, ~Confirmed), with identified parents B & Liza — first a head (b.~1908), then head of a 10-person household.
Age 32
b. ~1908
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Knott-County, Kentucky |
| Surname | Martin |
| Given Name | Earl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District No 3 |
| 1935 Residence (County) | Knott |
| Additional Details | |
| Highest Grade | H-6 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial District No 3 |
| Est. Birth Year | ~1908 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Earl | Age | Birth yr |
|---|---|---|---|---|
| Maxie Martin | Daughter | — | 12 | ~1928 |
| Earl Martin | Head | — | 32 | ~1908 |
| Ollie Martin | Daughter | — | 8 | ~1932 |
| Merby Hall | Other | — | 72 | ~1868 |
| Maynard Martin | Son | — | 3 | ~1937 |
| French Martin | Son | — | 13 | ~1927 |
| Florence Martin | Spouse | — | 33 | ~1907 |
| Earl Martin | Son | — | 10 | ~1930 |
| Flo Martin | Daughter | — | 1 | ~1939 |
| Prince Martin | Son | — | 5 | ~1935 |
Census Appearances
1920
Knott, Kentucky
Son, age 11
Knott, Kentucky · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Knott, Kentucky
Son, age 22
Knott, Kentucky · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Knott-County, Kentucky
Head, age 32
Knott-County, Kentucky · implied b. ~1908 — 10 household members
| Surname | Martin |
| Given Name | Earl |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial District No 3 |
| 1935 Residence (County) | Knott |
| Highest Grade | H-6 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Earl Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father B Martin (~0.92 confidence) and mother Liza Martin (~0.92 confidence) and father Ben Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
B Martin
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Liza Martin
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Ben Martin
b. ~1888
Source father
● Household
· direct · ~0.92
This person
Anchor record
Earl Martin
Head · 1940 · age 32 · b. ~1908 · Kentucky
★ 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 — Knott-County, Kentucky
Open full size
1940 US Federal Census — Knott-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01326-00513)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Son Champ | None | M | County High School | — |
| 2 | A. B. Cardell | 24 | Son | Teacher | Kentucky |
| 3 | Son Quentin | None | M | Farm | — |
| 4 | Charley Breeding | 50 | Head | Teacher | Kentucky |
| 5 | Josie Breeding | 43 | Wife | — | Kentucky |
| 6 | Dalton A. B. Breeding | 25 | Son | — | Kentucky |
| 7 | Dorothy A. B. Breeding | 23 | Daughter | — | Kentucky |
| 8 | Elsie A. B. Breeding | 16 | Daughter | — | Kentucky |
| 9 | Lula King | 35 | Head | Farming | Kentucky |
| 10 | Hassel King | 5 | Son | — | Kentucky |
| 11 | Della King | 38 | Sister | — | Kentucky |
| 12 | J. D. Hall | 40 | Head | Miner | Kentucky |
| 13 | Sallie Hall | 43 | Wife | — | Kentucky |
| 14 | Allie Hall | 20 | Daughter | — | Kentucky |
| 15 | Altie Hall | 17 | Daughter | — | Kentucky |
| 16 | Virgil Hall | 16 | Son | Farm Helper | Kentucky |
| 17 | Claude Hall | 12 | Son | — | Kentucky |
| 18 | Nessie Hall | 7 | Daughter | — | Kentucky |
| 19 | Edd Haddix | 62 | Head | Farmer | Kentucky |
| 20 | Frankie Pearl Haddix | 55 | Wife | — | Kentucky |
| 21 | Gershem Haddix | 19 | Son | — | Kentucky |
| 22 | Reau Hall | 74 | Mother | — | Kentucky |
| 23 | Lee King | 40 | Head | Trucking | Kentucky |
| 24 | Angeline King | 45 | Wife | — | Kentucky |
| 25 | Viola King | 18 | Daughter | — | Kentucky |
| 26 | Leverage King | 16 | Son | Farm Work | Kentucky |
| 27 | Ace King | 15 | Daughter | — | Kentucky |
| 28 | Beulah King | 13 | Daughter | — | Kentucky |
| 29 | Cleo Patria King | 8 | Daughter | — | Kentucky |
| 30 | Nannie Della King | 2 | Daughter | — | Kentucky |
| 31 | Earl Martin THIS PERSON | 32 | Head | — | Kentucky |
| 32 | Florence Martin | 33 | Wife | — | Kentucky |
| 33 | French Martin | 13 | Son | — | Kentucky |
| 34 | Maxie Martin | 12 | Daughter | — | Kentucky |
| 35 | Earl Jr. Martin | 10 | Son | — | Kentucky |
| 36 | Ollie Lucille Martin | 8 | Daughter | — | Kentucky |
| 37 | Prince Darwin Martin | 5 | Son | — | Kentucky |
| 38 | Maynard Martin | 3 | Son | — | Kentucky |
| 39 | Flo Anna Martin | 1 | Daughter | — | Kentucky |
| 40 | Merby Hall | 72 | Mother-in-law | — | Kentucky |
Pedigree Summary
Earl
Gen 1 · 3 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)