MW
Mary Willis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cheyenne-County, Nebraska
Our Model Tree links this Mary Willis across the 1920, 1930 and 1940 US Censuses in Cheyenne-County, Nebraska (XGBoost, ~Confirmed), with identified parents Ed & Frank — first a daughter (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Female
Daughter
Born: Nebraska
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cheyenne-County, Nebraska |
| Surname | Willis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Sidney city |
| 1935 Residence (County) | Cheyenne |
| Additional Details | |
| Occupation | Housewife |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Housewife |
| Township / Ward | Sidney City |
| Est. Birth Year | ~1908 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Willis | Daughter | — | 32 | ~1908 |
| Stephen Willis | Head | — | 68 | ~1872 |
| Effie Willis | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Cheyenne, Nebraska
Daughter, age 12
Cheyenne, Nebraska · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Willis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Kansas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1930
Cheyenne, Nebraska
Daughter, age 22
Cheyenne, Nebraska · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Willis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Nebraska |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Cheyenne-County, Nebraska
Daughter, age 32
Cheyenne-County, Nebraska · implied b. ~1908 — 3 household members
| Surname | Willis |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Nebraska |
| 1935 Residence (City) | Sidney city |
| 1935 Residence (County) | Cheyenne |
| Occupation | Housewife |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Willis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ed Willis (~0.92 confidence) and father Frank Willis (~0.92 confidence) and father Stephen Willis (~0.92 confidence) and mother Effie Willis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ed Willis
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Frank Willis
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Stephen Willis
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Effie Willis
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Willis
Daughter · 1940 · age 32 · b. ~1908 · Nebraska
★ 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 — Cheyenne-County, Nebraska
Open full size
1940 US Federal Census — Cheyenne-County, Nebraska
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02241-00181)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hera Jacobs | 23 | Head | Supervisor | Illinois |
| 42 | Alan Pruitt | 49 | Head | Locomotive Engineer | Missouri |
| 43 | Annie Pruitt | 44 | Wife | Housewife | Nebraska |
| 44 | Clarence Pruitt | 19 | Son | Salesman | Nebraska |
| 45 | Lester Pruitt | 16 | Son | — | Nebraska |
| 46 | La Verne Pruitt | 11 | Son | — | Nebraska |
| 47 | Harry G. Locke | 56 | Head | Carpenter | Nebraska |
| 48 | Matilda Locke | 51 | Wife | Housewife | Nebraska |
| 49 | Stephen Willis | 68 | Head | Janitor | Vermont |
| 50 | Effie Willis | 65 | Wife | Housewife | Kansas |
| 51 | Mary Willis THIS PERSON | 32 | Daughter | Housewife | Nebraska |
| 52 | Edward E. Thalman | 32 | Head | Dispatcher | Florida |
| 53 | Irene Thalman | 31 | Wife | Housewife | Nebraska |
| 54 | Donald Thalman | 9 | Son | — | Florida |
| 55 | Diane Thalman | 5 | Daughter | — | Florida |
| 56 | Sutanne Thalman | 3 | Daughter | — | Florida |
| 57 | Robert E. Welsh | 41 | Head | Sales Agent | Nebraska |
| 58 | Agnes Welsh | 35 | Wife | Housewife | Nebraska |
| 59 | Jack David Welsh | 11 | Son | — | Nebraska |
| 60 | Mrs. Mary Lyons | 31 | Lodger | Clerk | Nebraska |
| 61 | David Hunt | 49 | Head | Nurseryman | Nebraska |
| 62 | Lucille Hunt | 14 | Daughter | — | Nebraska |
| 63 | Annie Laurie Hunt | 11 | Daughter | — | Nebraska |
| 64 | Cynthia Grey | 30 | Head | Laundress | Nebraska |
| 65 | Shelly Grey | 11 | Daughter | — | Nebraska |
| 66 | Elizabeth Patterson | 83 | Mother | — | Nebraska |
| 67 | Edwin Pike | 57 | Head | Housewife | Nebraska |
| 68 | Anderson Alber | 51 | Head | Laborer | Nebraska |
| 69 | Annie Alber | 20 | Daughter | Housewife | Nebraska |
| 70 | — | None | — | — | — |
| 71 | Peter H. Swartz | 55 | Head | Proprietor | Nebraska |
| 72 | Mildred Swartz | 47 | Wife | Housewife | Nebraska |
| 73 | Frances Birmingham | 71 | Head | Retired | Tennessee |
| 74 | Robert Young | 43 | Head | Janitor | Kansas |
| 75 | Lulu Young | 36 | Wife | Housewife | Kansas |
| 76 | Jean Young | 15 | Daughter | — | Kansas |
| 77 | Mrs. Kinney Young | 66 | Mother-in-law | — | Kansas |
| 78 | Commodore Young | 10 | Son | — | Kansas |
| 79 | Johnny Young | 7 | Son | — | Nebraska |
| 80 | Sheila Young | 5 | Daughter | — | Nebraska |
Pedigree Summary
Mary
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)