WM
William Mayer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wabaunsee-County, Kansas
Our Model Tree links this William Mayer across the 1930 and 1940 US Censuses in Wabaunsee-County, Kansas (XGBoost, ~Confirmed) — first a head (b.~1902), then head of a 6-person household.
Age 38
b. ~1902
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wabaunsee-County, Kansas |
| Surname | Mayer |
| Given Name | William R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Rockcreek |
| 1935 Residence (County) | Wabaunsee |
| Additional Details | |
| Occupation | Operator |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 600 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Operator |
| Township / Ward | Rockcreek |
| Est. Birth Year | ~1902 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Mayer | Head | — | 38 | ~1902 |
| Wilma Mayer | Daughter | — | 10 | ~1930 |
| Willard Mayer | Son | — | 12 | ~1928 |
| Donna Mayer | Daughter | — | 8 | ~1932 |
| Alta Mayer | Spouse | — | 35 | ~1905 |
| Kenneth Mayer | Son | — | 4 | ~1936 |
Census Appearances
1930
Wabaunsee, Kansas
Head, age 28
Wabaunsee, Kansas · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mayer |
| Given Name | William J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 23 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kansas |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Radio Set | R |
| Veteran | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Wabaunsee-County, Kansas
Head, age 38
Wabaunsee-County, Kansas · implied b. ~1902 — 6 household members
| Surname | Mayer |
| Given Name | William R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Rockcreek |
| 1935 Residence (County) | Wabaunsee |
| Occupation | Operator |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 600 |
| 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 William Mayer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mayer
Head · 1940 · age 38 · b. ~1902 · 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 — Wabaunsee-County, Kansas
Open full size
1940 US Federal Census — Wabaunsee-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01264-00607)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ethel Meinhardt | 38 | Wife | — | Kansas |
| 42 | Gayla Meinhardt | 7 | Daughter | — | Kansas |
| 43 | Harold Rolfs | 22 | Head | Operator | Kansas |
| 44 | Erma Rolfs | 23 | Wife | — | Kansas |
| 45 | David Rolfs | 53 | Head | Operator | Kansas |
| 46 | Iva L. Rolfs | 47 | Wife | — | Kansas |
| 47 | Judith Rolfs | 1 | Daughter | — | Kansas |
| 48 | B. William Reeping | 65 | Head | Operator | Kansas |
| 49 | Chris R. Foster | 55 | Head | Operator | Missouri |
| 50 | Katie Foster | 55 | Wife | — | Kansas |
| 51 | Opal Foster | 14 | Daughter | — | Kansas |
| 52 | William R. Mayer THIS PERSON | 38 | Head | Operator | Kansas |
| 53 | Alta Mayer | 35 | Wife | — | Kansas |
| 54 | Willard Mayer | 12 | Son | — | Kansas |
| 55 | Wilma Mayer | 10 | Daughter | — | Kansas |
| 56 | Donna Mayer | 8 | Daughter | — | Kansas |
| 57 | Kenneth Mayer | 4 | Son | — | Kansas |
| 58 | Arthur Chambers | 52 | Head | Operator | Nebraska |
| 59 | Alvena Chambers | 44 | Wife | — | Kansas |
| 60 | Elmore Chambers | 14 | Son | — | Kansas |
| 61 | Carrie Rumeyer | 71 | Head | — | Germany |
| 62 | George Rumeyer | 46 | Son | Operator | Kansas |
| 63 | Edgar Ashburn | 24 | Head | Operator | Kansas |
| 64 | Doris Ashburn | 22 | Wife | — | Kansas |
| 65 | Lauren Ashburn | 2 | Son | — | Kansas |
| 66 | Leland Ashburn | 0 | Son | — | Kansas |
| 67 | Glen Bonwell | 27 | Head | Operator | Kansas |
| 68 | Nellie Bonwell | 29 | Wife | — | Kansas |
| 69 | Donna Lou Bonwell | 6 | Daughter | — | Kansas |
| 70 | Jackie Lee Bonwell | 5 | Son | — | Kansas |
| 71 | Rosalie Nell Bonwell | 2 | Daughter | — | Kansas |
| 72 | Herman Kahle | 45 | Head | Operator | Illinois |
| 73 | Ada Kahle | 42 | Wife | — | Kansas |
| 74 | Marvin Kahle | 16 | Son | — | Kansas |
| 75 | Edward Farnsworth | 22 | Head | Farm Hand | Oklahoma |
| 76 | Verna Farnsworth | 19 | Wife | — | Kansas |
| 77 | Janice Farnsworth | 1 | Daughter | — | Kansas |
| 78 | Harold Reaka | 32 | Head | Operator | Kansas |
| 79 | Emily Reaka | 32 | Wife | — | Kansas |
| 80 | Mary Catherine Reaka | 3 | 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)