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Grace Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calcasieu-County, Louisiana
Our Model Tree links this Grace Martin across the 1930 and 1940 US Censuses in Calcasieu-County, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Calcasieu-County, Louisiana |
| Surname | Martin |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Sulphur |
| 1935 Residence (County) | Calcasieu |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | G 7 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Sulphur |
| Est. Birth Year | ~1926 |
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 Grace | Age | Birth yr |
|---|---|---|---|---|
| Hazel Martin | Daughter | — | 16 | ~1924 |
| Carmelite Martin | Spouse | — | 52 | ~1888 |
| Will Martin | Son | — | 26 | ~1914 |
| Lolita Martin | Daughter | — | 24 | ~1916 |
| Grace Martin | Daughter | — | 14 | ~1926 |
| Annie Martin | Daughter | — | 18 | ~1922 |
| Ignace Martin | Head | — | 56 | ~1884 |
| Ignace Martin | Son | — | 12 | ~1928 |
| Gladys Martin | Daughter | — | 14 | ~1926 |
| Ula Martin | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Calcasieu, Louisiana
Daughter, age 4
Calcasieu, Louisiana · implied b. ~1926 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Calcasieu-County, Louisiana
Daughter, age 14
Calcasieu-County, Louisiana · implied b. ~1926 — 10 household members
| Surname | Martin |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Sulphur |
| 1935 Residence (County) | Calcasieu |
| Income (1939) | 0 |
| Highest Grade | G 7 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Grace Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Grace Martin
Daughter · 1940 · age 14 · b. ~1926 · Louisiana
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Sibling
Gladys Martin
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Will Martin
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ula Martin
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ignace Martin
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lolita Martin
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Martin
Sibling · 1940 · age 18
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 — Calcasieu-County, Louisiana
Open full size
1940 US Federal Census — Calcasieu-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01391-00024)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Evelyn Lawton | 32 | Wife | — | Louisiana |
| 2 | Billy Lawton | 12 | Son | — | Louisiana |
| 3 | Jackie Lawton | 11 | Son | — | Louisiana |
| 4 | Ray Perryman | 28 | Head | — | Louisiana |
| 5 | Evelyn Perryman | 28 | Wife | — | Louisiana |
| 6 | Glenn Perryman | 12 | Son | — | Louisiana |
| 7 | Evelyn Ray Perryman | 1 | Daughter | — | Louisiana |
| 8 | Camille Sondrier | 40 | Head | Boiler Fireman | Louisiana |
| 9 | Armance Sondrier | 44 | Wife | — | Louisiana |
| 10 | Dupley Sondrier | 68 | Father | — | Louisiana |
| 11 | Marie Sondrier | 67 | Mother | — | Louisiana |
| 12 | Ewell Darbonne | 23 | Head | Laborer | Louisiana |
| 13 | Lena Mae Darbonne | 20 | Wife | — | Louisiana |
| 14 | Ignace Martin | 56 | Head | Oil Field Worker | Louisiana |
| 15 | Carmelite Martin | 52 | Wife | — | Louisiana |
| 16 | Lolita Martin | 24 | Daughter | Clerk | Louisiana |
| 17 | Ula Martin | 20 | Daughter | Saleslady | Louisiana |
| 18 | Annie Martin | 18 | Daughter | Cashier | Louisiana |
| 19 | Hazel Martin | 16 | Daughter | — | Louisiana |
| 20 | Gladys Martin | 14 | Daughter | — | Louisiana |
| 21 | Grace Martin THIS PERSON | 14 | Daughter | — | Louisiana |
| 22 | Ignace Jr Martin | 12 | Son | — | Louisiana |
| 23 | Will Martin | 26 | Son | Bartender | Louisiana |
| 24 | Neva Regina | 17 | Block 13 | — | Louisiana |
| 25 | Mozard Broussard | 77 | Head | — | Louisiana |
| 26 | Olivia Broussard | 73 | Wife | — | Louisiana |
| 27 | Judice Broussard | 39 | Son | — | Louisiana |
| 28 | L. O. Mormount | 47 | Head | Fireman | Louisiana |
| 29 | Claudia Mormount | 43 | Wife | — | Louisiana |
| 30 | Harris Mormount | 21 | Son | New Worker | Louisiana |
| 31 | Claude B. Hoffpauir | 31 | Head | Driller | Louisiana |
| 32 | Gelena Hoffpauir | 32 | Wife | — | Oklahoma |
| 33 | Claude James Hoffpauir | 7 | Son | — | Louisiana |
| 34 | Gayle Heelen Hoffpauir | 3 | Daughter | — | Louisiana |
| 35 | Ray H. Singletary | 34 | Head | Mechanic | Louisiana |
| 36 | Mattie Mae Singletary | 31 | Wife | — | Louisiana |
| 37 | Nancy E. Singletary | 6 | Daughter | — | Louisiana |
| 38 | Ray H. Jr Singletary | 4 | Son | — | Louisiana |
| 39 | Beverly Gail Singletary | 2 | Daughter | — | Louisiana |
| 40 | Dr. W. D. K. Seale | 33 | Head | Medical Doctor | Mississippi |
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)