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Jack Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hopkins-County, Texas
Our Model Tree links this Jack Martin across the 1930 and 1940 US Censuses in Hopkins-County, Texas (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 7-person household.
Age 16
b. ~1924
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hopkins-County, Texas |
| Surname | Martin |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Heke |
| 1935 Residence (County) | Hopkins |
| Additional Details | |
| Occupation | Farm Hand |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 88 |
| Highest Grade | 7 |
| 1935 Residence | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Farm Hand |
| Township / Ward | G P 1 |
| Est. Birth Year | ~1924 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jack | Age | Birth yr |
|---|---|---|---|---|
| Betty Martin | Daughter | — | 4 | ~1936 |
| Wash Martin | Head | — | 44 | ~1896 |
| Mildred Martin | Daughter | — | 20 | ~1920 |
| Annie Martin | Spouse | — | 40 | ~1900 |
| Worthy Martin | Daughter | — | 10 | ~1930 |
| Jack Martin | Son | — | 16 | ~1924 |
| Elmer Martin | Son | — | 12 | ~1928 |
Census Appearances
1930
Hopkins, Texas
Son, age 5
Hopkins, Texas · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Oklahoma |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Hopkins-County, Texas
Son, age 16
Hopkins-County, Texas · implied b. ~1924 — 7 household members
| Surname | Martin |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Heke |
| 1935 Residence (County) | Hopkins |
| Occupation | Farm Hand |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 88 |
| Highest Grade | 7 |
| 1935 Residence | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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
Son · 1940 · age 16 · b. ~1924 · Texas
★ You are viewing this record
Sibling
Mildred Martin
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Martin
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Worthy Martin
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Martin
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hopkins-County, Texas
Open full size
1940 US Federal Census — Hopkins-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04068-00288)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | H. M. Emerson | 62 | Head | Farmer | Texas |
| 42 | Earl Emerson | 56 | Wife | — | Texas |
| 43 | A. G. Garrison | 63 | Head | Farmer | Texas |
| 44 | Cara Garrison | 46 | Wife | — | Georgia |
| 45 | Birdie Garrison | 19 | Son | Farm Hand | Texas |
| 46 | Pauline Garrison | 15 | Daughter | — | Oklahoma |
| 47 | S. N. Harris | 49 | Head | Farm | Texas |
| 48 | Mollie Harris | 44 | Wife | — | Texas |
| 49 | J. C. Harris | 21 | Son | Farm Labor | Texas |
| 50 | Lessie B. Harris | 14 | Daughter | Farm Labor | Texas |
| 51 | Mary J. Harris | 6 | Daughter | — | Texas |
| 52 | Sherly J. Harris | 4 | Daughter | — | Texas |
| 53 | S. C. Hickey | 27 | Head | Farmer | Colorado |
| 54 | Hester Hickey | 26 | Wife | — | Texas |
| 55 | Allin Hickey | 3 | Son | — | Texas |
| 56 | Burey Ann Hickey | 2 | Daughter | — | Texas |
| 57 | J. E. Javarthan | 31 | Head | Farmer | Texas |
| 58 | Lucil Javarthan | 22 | Wife | — | Texas |
| 59 | R. C. Smith | 44 | Head | Farming | Texas |
| 60 | Grace Smith | 40 | Wife | — | Texas |
| 61 | William H. Smith | 9 | Son | — | Texas |
| 62 | Wash Martin | 44 | Head | Farm And Gin | Texas |
| 63 | Annie Martin | 40 | Wife | — | Oklahoma |
| 64 | Jack Martin THIS PERSON | 16 | Son | Farm Hand | Texas |
| 65 | Mildred Martin | 20 | Daughter | Farm Labor | Texas |
| 66 | Elmer Martin | 12 | Son | — | Texas |
| 67 | Worthy J. Martin | 10 | Daughter | — | Texas |
| 68 | Betty Sue Martin | 4 | Daughter | — | Texas |
| 69 | John E. Claw | 77 | Head | Farmer | Iowa |
| 70 | Viola Claw | 73 | Wife | — | Iowa |
| 71 | Robert Pitts | 19 | Grandson | Farm Labor | Texas |
| 72 | H. C. Martin | 57 | Head | Farmer | Texas |
| 73 | Sanie Martin | 49 | Wife | — | Texas |
| 74 | Chas Abe Martin | 19 | Son | Farm Hand | Oklahoma |
| 75 | W. H. Kennedy | 66 | Head | Farmer | Texas |
| 76 | Clara Kennedy | 56 | Wife | — | Texas |
| 77 | Leon Herich | 24 | Head | Hired Hand | Texas |
| 78 | Lilia Herich | 21 | Wife | — | Texas |
| 79 | Lune Thomas | 24 | Head | Hired Hand | Texas |
| 80 | Lucil Thomas | 22 | Wife | — | Texas |
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)