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Hazel Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pittsburg-County, Oklahoma
Our Model Tree links this Hazel Martin across the 1930 and 1940 US Censuses in Pittsburg-County, Oklahoma (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 10-person household.
Age 15
b. ~1925
Female
Daughter
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pittsburg-County, Oklahoma |
| Surname | Martin |
| Given Name | Hazel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | McAlester |
| 1935 Residence (County) | Pittsburg |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Oklahoma |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Township / Ward | Bucklucksy Twp 6 Township |
| Est. Birth Year | ~1925 |
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 Hazel | Age | Birth yr |
|---|---|---|---|---|
| Fay Martin | Daughter | — | 13 | ~1927 |
| Callen Martin | Daughter | — | 16 | ~1924 |
| Oscar Martin | Son | — | 6 | ~1934 |
| Hazel Martin | Daughter | — | 15 | ~1925 |
| Bobby Martin | Son | — | 4 | ~1936 |
| Betty Martin | Daughter | — | 9 | ~1931 |
| Ida Martin | Spouse | — | 40 | ~1900 |
| Mamie Martin | Daughter | — | 20 | ~1920 |
| Robert Martin | Head | — | 45 | ~1895 |
| Lois Martin | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Pittsburg, Oklahoma
Daughter, age 5
Pittsburg, Oklahoma · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Hazel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Pittsburg-County, Oklahoma
Daughter, age 15
Pittsburg-County, Oklahoma · implied b. ~1925 — 10 household members
| Surname | Martin |
| Given Name | Hazel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | McAlester |
| 1935 Residence (County) | Pittsburg |
| Highest Grade | No 8 |
| 1935 Residence | Oklahoma |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Hazel Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Hazel Martin
Daughter · 1940 · age 15 · b. ~1925 · Oklahoma
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Sibling
Fay Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobby Martin
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Callen Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Martin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mamie Martin
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lois Martin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oscar Martin
Sibling · 1940 · age 6
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 — Pittsburg-County, Oklahoma
Open full size
1940 US Federal Census — Pittsburg-County, Oklahoma
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03324-00322)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Arvil Pannell | 9 | Son | — | Oklahoma |
| 3 | Frank D. James | 44 | Head | Farmer | Oklahoma |
| 4 | Golden James | 39 | Wife | — | Oklahoma |
| 5 | Alfred James | 20 | Son | Laborer | Oklahoma |
| 6 | Bonnie James | 16 | Daughter | — | Oklahoma |
| 7 | Nelson Pickens | 58 | Head | — | Oklahoma |
| 8 | Malinda Pickens | 55 | Wife | — | Oklahoma |
| 9 | Josephine Pickens | 18 | Daughter | — | Oklahoma |
| 10 | Thomas Pickens | 17 | Son | — | Oklahoma |
| 11 | Elmer Pickens | 14 | Daughter | — | Oklahoma |
| 12 | Bryant C. Stevens | 42 | Head | Farmer | Oklahoma |
| 13 | Bessie Stevens | 45 | Wife | — | Arkansas |
| 14 | A. C. Stevens | 19 | Son | — | Oklahoma |
| 15 | Thomas Stevens | 11 | Son | — | Oklahoma |
| 16 | Dorothy Stevens | 9 | Daughter | — | Texas |
| 17 | Bruce Stevens | 3 | Son | — | Texas |
| 18 | Franklin Stevens | 4 | Son | — | Oklahoma |
| 19 | Robert E. Martin | 45 | Head | Farmer | Arkansas |
| 20 | Ida Martin | 40 | Wife | — | Arkansas |
| 21 | Mamie Martin | 20 | Daughter | Stenographer | Oklahoma |
| 22 | Lois Martin | 18 | Daughter | — | Oklahoma |
| 23 | Callen Martin | 16 | Daughter | — | Oklahoma |
| 24 | Hazel Martin THIS PERSON | 15 | Daughter | — | Oklahoma |
| 25 | Fay Martin | 13 | Daughter | — | Oklahoma |
| 26 | Betty June Martin | 9 | Daughter | — | Oklahoma |
| 27 | Oscar Martin | 6 | Son | — | Oklahoma |
| 28 | Bobby Martin | 4 | Son | — | Oklahoma |
| 29 | Alpheus Nebbett | 23 | Head | Farmer | Oklahoma |
| 30 | Bessie Nebbett | 19 | Wife | — | Alabama |
| 31 | E. V. Cravens | 45 | Head | Farmer | Texas |
| 32 | Sarah Cravens | 39 | Wife | — | Missouri |
| 33 | Alvin Cravens | 18 | Son | Laborer | Oklahoma |
| 34 | Allen Cravens | 17 | Son | — | Oklahoma |
| 35 | Velma Cravens | 14 | Daughter | — | Oklahoma |
| 36 | Kenneth Cravens | 12 | Son | — | Oklahoma |
| 37 | Edward Cravens | 10 | Son | — | Texas |
| 38 | Donald Cravens | 8 | Son | — | Texas |
| 39 | Dorothy Cravens | 7 | Daughter | — | Texas |
| 40 | Lawrence Cravens | 5 | Son | — | Texas |
Related Census Records
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)