MH
Martha Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cowley-County, Kansas
Our Model Tree links this Martha Harris across the 1930 and 1940 US Censuses in Cowley-County, Kansas (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Female
Daughter
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cowley-County, Kansas |
| Surname | Harris |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Silver Creek |
| 1935 Residence (County) | Cowley |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Silver Creek |
| Est. Birth Year | ~1930 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Martha Harris | Daughter | — | 10 | ~1930 |
| Mary Harris | Daughter | — | 12 | ~1928 |
| R Harris | Head | — | 39 | ~1901 |
| Erwin Harris | Son | — | 8 | ~1932 |
| Robert Harris | Son | — | 6 | ~1934 |
| Richard Harris | Son | — | 11 | ~1929 |
| Donnie Harris | Son | — | 4 | ~1936 |
| Cherlyn Harris | Son | — | 2 | ~1938 |
| Celia Harris | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Cowley, Kansas
Daughter, age
Cowley, Kansas · implied b. ~1930 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Nebraska |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Cowley-County, Kansas
Daughter, age 10
Cowley-County, Kansas · implied b. ~1930 — 9 household members
| Surname | Harris |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Silver Creek |
| 1935 Residence (County) | Cowley |
| Highest Grade | 3 |
| 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 Harris across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Harris
Daughter · 1940 · age 10 · b. ~1930 · Kansas
★ You are viewing this record
Sibling
Richard Harris
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donnie Harris
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Harris
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Harris
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cherlyn Harris
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Erwin Harris
Sibling · 1940 · age 8
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 — Cowley-County, Kansas
Open full size
1940 US Federal Census — Cowley-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01226-00720)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | May May | 2 | Daughter | — | Kansas |
| 42 | Arpha May | 1 | Daughter | — | Kansas |
| 43 | Betsy Ann May | 0 | Daughter | — | Kansas |
| 44 | Samuel W. Haines | 35 | Head | Farmer | Kansas |
| 45 | Hazel Haines | 27 | Wife | — | Kansas |
| 46 | Wayne Haines | 7 | Son | — | Kansas |
| 47 | Lou Haines | 2 | Son | — | Kansas |
| 48 | Lewis Brisbane | 27 | Head | Laborer | Kansas |
| 49 | Virginia Brisbane | 24 | Wife | — | Kansas |
| 50 | Lois Jean Brisbane | 3 | Daughter | — | Kansas |
| 51 | Doris Elaine Brisbane | 1 | Daughter | — | Kansas |
| 52 | Ray Stoker | 40 | Head | Pumper | Alabama |
| 53 | Lilly B. Stoker | 38 | Wife | — | Alabama |
| 54 | Dorothy Stoker | 16 | Daughter | — | Alabama |
| 55 | R. Lee Harris | 39 | Head | Laborer | Kansas |
| 56 | Celia Harris | 32 | Wife | — | Nebraska |
| 57 | Mary E. Harris | 12 | Daughter | — | Kansas |
| 58 | Richard Harris | 11 | Son | — | Kansas |
| 59 | Martha Harris THIS PERSON | 10 | Daughter | — | Kansas |
| 60 | Erwin Harris | 8 | Son | — | Kansas |
| 61 | Robert Harris | 6 | Son | — | Kansas |
| 62 | Donnie Harris | 4 | Son | — | Kansas |
| 63 | Cherlyn Harris | 2 | Son | — | Kansas |
| 64 | Chas. D. Wright | 72 | Head | Laborer | Kansas |
| 65 | Lydia Wright | 68 | Wife | — | Iowa |
| 66 | J. M. Gatton | 64 | Head | Farmer | Iowa |
| 67 | Sidney B. Gatton | 63 | Wife | Farmer | Kansas |
| 68 | W. E. Gatton | 44 | Head | Farmer | Kansas |
| 69 | Myrtle Gatton | 44 | Wife | — | Kansas |
| 70 | Marion Gatton | 21 | Son | Laborer | Kansas |
| 71 | William Gatton | 10 | Son | — | Kansas |
| 72 | Lloyd Mcfall | 46 | Head | Farmer | Kansas |
| 73 | Mable Mcfall | 41 | Wife | — | Kansas |
| 74 | William Mcfall | 15 | Son | — | Kansas |
| 75 | Ruth Mcfall | 13 | Daughter | — | Kansas |
| 76 | Kenneth Mcfall | 11 | Son | — | Colorado |
| 77 | Alice Mcfall | 8 | Daughter | — | Colorado |
| 78 | Robert Mcfall | 5 | Son | — | Kansas |
| 79 | John D. West | 56 | Head | Laborer | Kansas |
| 80 | Louis F. Culy | 41 | Head | Farmer | 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)