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Barbara Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Kansas
Our Model Tree links this Barbara Martin across the 1930 and 1940 US Censuses in Washington-County, Kansas (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 7-person household.
Age 14
b. ~1926
Female
Daughter
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Kansas |
| Surname | Martin |
| Given Name | Barbara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Greenleaf Twp |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | attending School |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Attending School |
| Township / Ward | Greenleaf Twp |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Barbara | Age | Birth yr |
|---|---|---|---|---|
| Barbara Martin | Daughter | — | 14 | ~1926 |
| Virginia Martin | Daughter | — | 9 | ~1931 |
| Matthew Martin | Head | — | 41 | ~1899 |
| Charlotte Martin | Daughter | — | 7 | ~1933 |
| Merlyn Martin | Son | — | 12 | ~1928 |
| Patricia Martin | Daughter | — | 5 | ~1935 |
| Beatrice Martin | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Washington, Kansas
Daughter, age 4
Washington, Kansas · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Barbara S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Washington-County, Kansas
Daughter, age 14
Washington-County, Kansas · implied b. ~1926 — 7 household members
| Surname | Martin |
| Given Name | Barbara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Greenleaf Twp |
| 1935 Residence (County) | Washington |
| Occupation | attending School |
| Highest Grade | 8 |
| 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 Barbara Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Barbara Martin
Daughter · 1940 · age 14 · b. ~1926 · Kansas
★ You are viewing this record
Sibling
Patricia Martin
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Martin
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Martin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merlyn 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 — Washington-County, Kansas
Open full size
1940 US Federal Census — Washington-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01265-00164)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vininga Wrecke | 14 | Daughter | Helping In Home | Kansas |
| 2 | Melvin Wrecke | 8 | Son | — | Kansas |
| 3 | Donald Wrecke | 6 | Son | — | Kansas |
| 4 | Joan Wrecke | 1 | Daughter | — | Kansas |
| 5 | Lena Stigge | 70 | Mother | — | Germany |
| 6 | Tho Orville Defur | 53 | Head | Farming | Kansas |
| 7 | Florence E Defur | 49 | Wife | — | Kansas |
| 8 | Doris R Defur | 19 | Daughter | Attending School | Kansas |
| 9 | Jeanette Defur | 18 | Daughter | Attending School | Kansas |
| 10 | J William Defur | 16 | Son | Attending School | Kansas |
| 11 | Shirley J Defur | 15 | Daughter | Attending School | Kansas |
| 12 | Neil F Defur | 14 | Son | — | Kansas |
| 13 | Daniel R Defur | 12 | Son | — | Kansas |
| 14 | John H Defur | 11 | Son | — | Kansas |
| 15 | Maryann Defur | 8 | Daughter | — | Kansas |
| 16 | Roy Weiche | 42 | Head | Farming | Kansas |
| 17 | Elda Weiche | 40 | Wife | — | Kansas |
| 18 | Lyla Weiche | 19 | Daughter | N-Y-A- Home Helper | Kansas |
| 19 | Paul Weiche | 12 | Son | Attending School | Kansas |
| 20 | Pauline Weiche | 12 | Daughter | — | Kansas |
| 21 | Glen Weiche | 4 | Son | — | Kansas |
| 22 | Lewis Weiche | 79 | Head | — | Wisconsin |
| 23 | Louise Weiche | 70 | Wife | — | Missouri |
| 24 | Matthew Martin | 41 | Head | Farming | Kansas |
| 25 | Beatrice Martin | 40 | Wife | — | Kansas |
| 26 | Barbara Martin THIS PERSON | 14 | Daughter | Attending School | Kansas |
| 27 | Merlyn Martin | 12 | Son | — | Kansas |
| 28 | Virginia Lois Martin | 9 | Daughter | — | Kansas |
| 29 | Charlotte Martin | 7 | Daughter | — | Kansas |
| 30 | Patricia Martin | 5 | Daughter | — | Kansas |
| 31 | Maury Gideon | 69 | Head | Caveman | Kansas |
| 32 | Glen Cairns | 25 | Head | Farming | Kansas |
| 33 | Russ Cairns | 52 | Head | Farming | Kansas |
| 34 | Cora Cairns | 50 | Wife | — | Kansas |
| 35 | Evelene Cairns | 16 | Daughter | Attending School | Kansas |
| 36 | Lawrence Cairns | 12 | Son | — | Kansas |
| 37 | Charles O Plummer | 32 | Head | Farming | Kansas |
| 38 | Kathryn Lucille Plummer | 28 | Wife | — | Kansas |
| 39 | Chas Jerry Plummer | 10 | Son | — | Kansas |
| 40 | James Lee Plummer | 6 | Son | — | 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)