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Jack Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Metcalfe-County, Kentucky
Our Model Tree links this Jack Martin across the 1930 and 1940 US Censuses in Metcalfe-County, Kentucky (XGBoost, ~Confirmed) — first a head (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Metcalfe-County, Kentucky |
| Surname | Martin |
| Given Name | Jack |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Metcalfe |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | G 4 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Farmer |
| Township / Ward | Edmonton Town |
| Est. Birth Year | ~1905 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jack | Age | Birth yr |
|---|---|---|---|---|
| Hattie Martin | Spouse | — | 40 | ~1900 |
| Jack Martin | Head | — | 35 | ~1905 |
| Clara Martin | Daughter | — | 11 | ~1929 |
| Robert Martin | Son | — | 4 | ~1936 |
| Hazel Martin | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Metcalfe, Kentucky
Head, age 25
Metcalfe, Kentucky · implied b. ~1905 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Jack |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 19 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Industry | Helper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 1200 |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Metcalfe-County, Kentucky
Head, age 35
Metcalfe-County, Kentucky · implied b. ~1905 — 5 household members
| Surname | Martin |
| Given Name | Jack |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Metcalfe |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 0 |
| Highest Grade | G 4 |
| 1935 Residence | Kentucky |
| 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 Jack Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Martin
Head · 1940 · age 35 · b. ~1905 · Kentucky
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Metcalfe-County, Kentucky
Open full size
1940 US Federal Census — Metcalfe-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01342-00009)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jane R Martin | 14 | Daughter | — | Kentucky |
| 2 | John W Martin | 75 | Head | Farmer | Kentucky |
| 3 | Smith J Martin | 73 | Wife | — | Kentucky |
| 4 | Jessie F Francis | 38 | Maid | Maid | Kentucky |
| 5 | Vaughan Coleman | 57 | Head | Barber | Kentucky |
| 6 | Mae Coleman | 50 | Wife | — | Kentucky |
| 7 | Jane C Branstetter | 6 | Grandson | — | Kentucky |
| 8 | Ruth U Branstetter | 24 | Daughter | — | Kentucky |
| 9 | B G Branstetter | 34 | Son-in-law | Electrician | Kentucky |
| 10 | Eugene Quinn | 59 | Head | Brick Layer | Kentucky |
| 11 | Dillie Quinn | 54 | Wife | — | Kentucky |
| 12 | James R Quinn | 17 | Son | — | Kentucky |
| 13 | John B Quinn | 11 | Son | — | Kentucky |
| 14 | John B Moran | 47 | Head | Salesman | Kentucky |
| 15 | Clara C Moran | 41 | Wife | Certifying Agent | Kentucky |
| 16 | Jack Martin THIS PERSON | 35 | Head | Farmer | Kentucky |
| 17 | Hattie Martin | 40 | Wife | — | Kentucky |
| 18 | Hazel J Martin | 13 | Daughter | — | Kentucky |
| 19 | Clara M Martin | 11 | Daughter | — | Kentucky |
| 20 | Robert F Martin | 4 | Son | — | Kentucky |
| 21 | Charles W England | 65 | Head | Farmer | Kentucky |
| 22 | Sallie England | 61 | Wife | — | Kentucky |
| 23 | Earl England | 15 | Son | Helper | Kentucky |
| 24 | James C England | 25 | Son | Road Work | Kentucky |
| 25 | Vera M England | 23 | Daughter-in-law | — | Kentucky |
| 26 | Jera P England | 4 | Granddaughter | — | Kentucky |
| 27 | Daisy K England | 1 | Granddaughter | — | Kentucky |
| 28 | Otis Grissom | 19 | Head | Carpenter | Kentucky |
| 29 | Clara M Grissom | 21 | Wife | — | Kentucky |
| 30 | William A Fridline | 26 | Brother-in-law | Farmer | Kentucky |
| 31 | Opal O Fridline | 20 | Sister | — | Kentucky |
| 32 | Annie M Fridline | 1 | Daughter | — | Kentucky |
| 33 | Henry C Fields | 47 | Head | Road Work | Kentucky |
| 34 | Julia E Fields | 33 | Wife | — | Kentucky |
| 35 | Eddy L Fields | 17 | Daughter | — | Kentucky |
| 36 | Goldie M Fields | 15 | Daughter | — | Kentucky |
| 37 | Annie L Fields | 13 | Daughter | — | Kentucky |
| 38 | Geneva Fields | 9 | Daughter | — | Kentucky |
| 39 | Mary E Fields | 4 | Daughter | — | Kentucky |
| 40 | James C Fields | 1 | Son | — | Kentucky |
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)