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John Mayer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Riley-County, Kansas
Our Model Tree links this John Mayer across the 1930 and 1940 US Censuses in Riley-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Riley-County, Kansas |
| Surname | Mayer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Zeandale Township |
| 1935 Residence (County) | Riley |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Zeandale Township |
| Est. Birth Year | ~1929 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Patty Mayer | Daughter | — | 3 | ~1937 |
| Joan Mayer | Daughter | — | 12 | ~1928 |
| Peggy Mayer | Daughter | — | 3 | ~1937 |
| Barbra Mayer | Daughter | — | 5 | ~1935 |
| John Mayer | Head | — | 34 | ~1906 |
| John Mayer | Son | — | 11 | ~1929 |
| Lynn Mayer | Son | — | 9 | ~1931 |
| Mildred Mayer | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Pottawatomie, Kansas
Son, age 1
Pottawatomie, Kansas · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mayer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Iowa |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Riley-County, Kansas
Son, age 11
Riley-County, Kansas · implied b. ~1929 — 8 household members
| Surname | Mayer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Zeandale Township |
| 1935 Residence (County) | Riley |
| Highest Grade | No 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 John Mayer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mayer
Son · 1940 · age 11 · b. ~1929 · Kansas
★ You are viewing this record
Sibling
Patty Mayer
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peggy Mayer
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Mayer
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lynn Mayer
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbra Mayer
Sibling · 1940 · age 5
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 — Riley-County, Kansas
Open full size
1940 US Federal Census — Riley-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01256-00615)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry F. Moore | 65 | Head | Farmer | Kentucky |
| 2 | Edith Moore | 62 | Wife | — | Kentucky |
| 3 | John W. Mayer | 34 | Head | Professor | Kansas |
| 4 | Mildred Mayer | 34 | Wife | — | Kansas |
| 5 | Joan Mayer | 12 | Daughter | — | Kansas |
| 6 | John Mayer THIS PERSON | 11 | Son | — | Kansas |
| 7 | Lynn Mayer | 9 | Son | — | Kansas |
| 8 | Barbra Mayer | 5 | Daughter | — | Kansas |
| 9 | Peggy Mayer | 3 | Daughter | — | Kansas |
| 10 | Patty Mayer | 3 | Daughter | — | Kansas |
| 11 | Mary Worrel | 83 | Head | — | Kansas |
| 12 | Clarice Garland | 22 | Housekeeper | Housekeeper | Kansas |
| 13 | Elizabeth Allen | 85 | Head | — | Kentucky |
| 14 | J. Oran Reid | 32 | Head | Salesman | Kansas |
| 15 | Mamie Belle Reid | 26 | Wife | — | Kansas |
| 16 | Larry Neal Reid | 1 | Son | — | Kansas |
| 17 | George Fielder | 34 | Head | Truck Driver | Kansas |
| 18 | Ethel Fielder | 32 | Wife | — | Kansas |
| 19 | Marjorie Fielder | 14 | Daughter | — | Kansas |
| 20 | Elvon Fielder | 12 | Son | — | Kansas |
| 21 | Billy Fielder | 9 | Son | — | Kansas |
| 22 | Paul Wayne Fielder | 5 | Son | — | Kansas |
| 23 | Willie Holmertz | 47 | Head | Agent & Operator | Iowa |
| 24 | Naomi Ellen Holmertz | 43 | Wife | — | Missouri |
| 25 | David E. Holmertz | 18 | Son | Laborer | Missouri |
| 26 | Altha Durrett | 53 | Head | Section Hand | Kansas |
| 27 | Myrtle Durrett | 53 | Wife | — | Missouri |
| 28 | Paul W. Durrett | 21 | Son | Farm Laborer | Kansas |
| 29 | William Cartwright | 85 | Head | Mail Carrier | Ohio |
| 30 | Rex Vail | 27 | Head | Feed Grinder | Kansas |
| 31 | Mildred Vail | 25 | Wife | — | Kansas |
| 32 | James D. Reid | 58 | Head | Professor | Kansas |
| 33 | Ida Reid | 59 | Wife | — | Iowa |
| 34 | Earle Reid | 38 | Son | Sales Clerk | Kansas |
| 35 | Margaret Blockerby | 46 | Head | Farmer | Kansas |
| 36 | Josephine Blockerby | 16 | Daughter | — | Kansas |
| 37 | Robert Blockerby | 14 | Son | — | Kansas |
| 38 | Ruth Blockerby | 11 | Daughter | — | Kansas |
| 39 | William Blockerby | 8 | Son | — | Kansas |
| 40 | Donna Blockerby | 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)