MB
Mary Blackburn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Labette-County, Kansas
Our Model Tree links this Mary Blackburn across the 1930 and 1940 US Censuses in Labette-County, Kansas (XGBoost, ~Confirmed) — first a spouse (b.~1905), then head of a 7-person household.
Age 35
b. ~1905
Female
Spouse
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Labette-County, Kansas |
| Surname | Blackburn |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Parsons City |
| 1935 Residence (County) | Labette |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Parsons City |
| Est. Birth Year | ~1905 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Wilma Blackburn | Daughter | — | 17 | ~1923 |
| Cecil Blackburn | Son | — | 13 | ~1927 |
| Earl Blackburn | Head | — | 40 | ~1900 |
| Lester Blackburn | Son | — | 9 | ~1931 |
| Lillie Blackburn | Daughter | — | 18 | ~1922 |
| Mary Blackburn | Spouse | — | 35 | ~1905 |
| Helen Blackburn | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Labette, Kansas
Other, age 23
Labette, Kansas · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackburn |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 15 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Labette-County, Kansas
Spouse, age 35
Labette-County, Kansas · implied b. ~1905 — 7 household members
| Surname | Blackburn |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Parsons City |
| 1935 Residence (County) | Labette |
| 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 Mary Blackburn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Blackburn
Spouse · 1940 · age 35 · b. ~1905 · Kansas
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Labette-County, Kansas
Open full size
1940 US Federal Census — Labette-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01239-00690)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Loyd Knight | 47 | Head | Foreman | Kansas |
| 2 | Vonie Knight | 54 | Wife | — | Missouri |
| 3 | Charles Knight | 20 | Son | Laborer | Kansas |
| 4 | Lon Jr Knight | 16 | Son | — | Kansas |
| 5 | Edward Hamsher | 50 | Head | Car Helper | Kansas |
| 6 | Ethel Hamsher | 47 | Wife | — | Kansas |
| 7 | Ethel C. Hamsher | 20 | Daughter | — | Kansas |
| 8 | Mildred Hamsher | 14 | Daughter | — | Kansas |
| 9 | Robert Hamsher | 13 | Son | — | Kansas |
| 10 | Carl Hamsher | 11 | Son | — | Kansas |
| 11 | Billy Joe Hamsher | 10 | Son | — | Kansas |
| 12 | Fredrick Hamsher | 8 | Daughter | — | Kansas |
| 13 | Ealum J. Smith | 40 | Head | Machinist | Arkansas |
| 14 | Louise Smith | 35 | Wife | — | Kansas |
| 15 | Ealum Smith | 15 | Son | — | Kansas |
| 16 | Darnell Wilson | 12 | Son | — | Kansas |
| 17 | Edward Ragee | 45 | Head | Teacher | Nebraska |
| 18 | Grace M. Ragee | 44 | Wife | — | Kansas |
| 19 | Dean Ragee | 12 | Son | — | Kansas |
| 20 | Joe Flournoy | 45 | Head | Laborer | Texas |
| 21 | Jessie Flournoy | 35 | Wife | — | Texas |
| 22 | Lawrence Flournoy | 19 | Son | New Worker | Kansas |
| 23 | Ruth Flournoy | 14 | Daughter | — | Kansas |
| 24 | Harvey D. Flournoy | 12 | Son | — | Kansas |
| 25 | Chester Robinson | 45 | Head | Stone Mason | Missouri |
| 26 | Elva Robinson | 38 | Wife | — | Oklahoma |
| 27 | Eugene Robinson | 18 | Son | — | Oklahoma |
| 28 | W. C. Robinson | 7 | Son | — | Oklahoma |
| 29 | Robert L. Cherry | 43 | Head | — | Iowa |
| 30 | Mary B. Cherry | 47 | Wife | Seamstress | Nebraska |
| 31 | Rosella Gentry | 16 | Daughter | — | Kansas |
| 32 | William Blackwell | 33 | Head | Cook | Oklahoma |
| 33 | Mildred Blackwell | 25 | Wife | — | Oklahoma |
| 34 | Earl Blackburn | 40 | Head | Jack Hammer Man | Kansas |
| 35 | Mary Blackburn THIS PERSON | 35 | Wife | — | Kansas |
| 36 | Lillie Blackburn | 18 | Daughter | — | Kansas |
| 37 | Wilma Blackburn | 17 | Daughter | — | Kansas |
| 38 | Cecil Blackburn | 13 | Son | — | Kansas |
| 39 | Lester Blackburn | 9 | Son | — | Kansas |
| 40 | Helen Blackburn | 5 | Daughter | — | 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)