MG
Martha Gray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Osage-County, Kansas
Our Model Tree links this Martha Gray across the 1930 and 1940 US Censuses in Osage-County, Kansas (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 8-person household.
Age 43
b. ~1897
Female
Spouse
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Osage-County, Kansas |
| Surname | Gray |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Lyndon |
| 1935 Residence (County) | Osage |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Lyndon |
| Est. Birth Year | ~1897 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Margaret Rockey | Daughter | — | 21 | ~1919 |
| Garry Rockey | Son | — | 1 | ~1939 |
| Dawn Gray | Daughter | — | 16 | ~1924 |
| Roland Rockey | Other | — | 23 | ~1917 |
| Helen Gray | Daughter | — | 14 | ~1926 |
| Martha Gray | Spouse | — | 43 | ~1897 |
| Larry Rockey | Son | — | 1 | ~1939 |
| Dean Gray | Head | — | 44 | ~1896 |
Census Appearances
1930
Osage, Kansas
Other, age 33
Osage, Kansas · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Martha M. |
| Relationship to Head | wife-N |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 20 |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Osage-County, Kansas
Spouse, age 43
Osage-County, Kansas · implied b. ~1897 — 8 household members
| Surname | Gray |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Lyndon |
| 1935 Residence (County) | Osage |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Martha Gray across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Gray
Spouse · 1940 · age 43 · b. ~1897 · Kansas
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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 — Osage-County, Kansas
Open full size
1940 US Federal Census — Osage-County, Kansas
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01250-00758)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norma Richards | 17 | Wife | — | Kansas |
| 42 | F J Lang | 46 | Head | Pharmacist | Missouri |
| 43 | Grace Lang | 45 | Wife | — | Kansas |
| 44 | John David Lang | 14 | Son | — | Kansas |
| 45 | Roy Smith | 48 | Head | Laborer | Missouri |
| 46 | Mabel Smith | 49 | Wife | — | Kansas |
| 47 | Erma Jean Smith | 18 | Daughter | Telephone Operator | Kansas |
| 48 | Leroy Smith | 16 | Son | Clerk | Kansas |
| 49 | Frank Johnston | 43 | Head | Operator | Kansas |
| 50 | Blanch Johnston | 38 | Wife | — | Kansas |
| 51 | Nola Jean Johnston | 14 | Daughter | — | Kansas |
| 52 | Darriel Johnston | 12 | Son | — | Kansas |
| 53 | Rev. A. H. Harnich | 51 | Head | Minister | Pennsylvania |
| 54 | Elma Harnich | 45 | Wife | — | Kansas |
| 55 | Arthur Harnich | 10 | Son | — | Nebraska |
| 56 | Ernest Whalen | 34 | Head | Producer | Kansas |
| 57 | Lorena Whalen | 28 | Wife | — | Kansas |
| 58 | Katherine Whalen | 5 | Daughter | — | Kansas |
| 59 | G H Newell | 77 | Head | — | Illinois |
| 60 | Emma Newell | 79 | Wife | — | Illinois |
| 62 | J W Little | 46 | Head | — | Arkansas |
| 63 | Hazel Little | 37 | Wife | — | Kansas |
| 64 | John Little | 16 | Son | — | Kansas |
| 65 | Robert Little | 12 | Son | — | Kansas |
| 66 | Paul Mason | 36 | Head | Carrier R.C. Star | Kansas |
| 67 | Mabel Mason | 26 | Wife | — | Kansas |
| 69 | Dean Gray | 44 | Head | Contractor | Kansas |
| 70 | Martha Gray THIS PERSON | 43 | Wife | — | Kansas |
| 71 | Dawn Gray | 16 | Daughter | — | Kansas |
| 72 | Helen Gray | 14 | Daughter | — | Kansas |
| 73 | Roland Rockey | 23 | Son-in-law | Laborer | Kansas |
| 74 | Margaret Dean Rockey | 21 | Daughter | — | Kansas |
| 75 | Larry Rockey | 1 | Son | — | Kansas |
| 76 | Garry Rockey | 1 | Son | — | Kansas |
| 77 | C L Laughlin | 41 | Head | Maintainer | North Carolina |
| 78 | Abbie Laughlin | 40 | Wife | — | Kansas |
| 79 | W E A Meek | 47 | Head | Funeral Director | Kansas |
| 80 | Lois Meek | 50 | Wife | — | Kansas |
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)