WM
William Mayer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Holt, Missouri
Our Model Tree links this William Mayer across the 1930 and 1940 US Censuses in Holt, Missouri (XGBoost, ~Confirmed) — first a son (b.~1905), then head of a 11-person household.
Age 25
b. ~1905
Male
Son
Born: Missouri
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Holt, Missouri |
| Surname | Mayer |
| Given Name | William E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 22 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Farmer |
| Township / Ward | Lewis Township |
| 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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Earl Dinwiddie | Son | — | 19 | ~1911 |
| Clarence Dinwiddie | Son | — | 26 | ~1904 |
| Lucile Dinwiddie | Other | — | 23 | ~1907 |
| James Mayer | Other | — | 71 | ~1859 |
| Chester Dinwiddie | Son | — | 9 | ~1921 |
| William Mayer | Son | — | 25 | ~1905 |
| Lizzie Mayer | Spouse | — | 70 | ~1860 |
| Charles Dinwiddie | Head | — | 48 | ~1882 |
| Opal Mayer | Other | — | 22 | ~1908 |
| Harry Dinwiddie | Son | — | 16 | ~1914 |
| Rosa Dinwiddie | Spouse | — | 42 | ~1888 |
Census Appearances
1930
Holt, Missouri
Son, age 25
Holt, Missouri · implied b. ~1905 — 11 household members
| Surname | Mayer |
| Given Name | William E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 22 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Ohio |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Holt-County, Missouri
Head, age 35
Holt-County, Missouri · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Meyer |
| Given Name | William E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Lewis Township |
| 1935 Residence (County) | Holt |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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
Son · 1930 · age 25 · b. ~1905 · Missouri
★ You are viewing this record
Sibling
Harry Dinwiddie
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Dinwiddie
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Dinwiddie
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chester Dinwiddie
Sibling · 1930 · age 9
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
1930 US Federal Census — Holt, Missouri
Open full size
1930 US Federal Census — Holt, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1189:1085)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harrison H. Murray | 34 | Head | Farmer | West Virginia |
| 2 | Mary L. Murray | 32 | Wife | — | Missouri |
| 3 | Harold H. Murray | 8 | Son | — | Missouri |
| 4 | Helen M. Murray | 2 | Daughter | — | Missouri |
| 5 | Edward Wetzel | 57 | Head | Farmer | Missouri |
| 6 | Minnie M. Wetzel | 51 | Wife | — | Missouri |
| 7 | Leo Bender | 17 | Foster Son | — | Missouri |
| 8 | Louis F. Noellsch | 50 | Head | Farmer | Missouri |
| 9 | Ethel B. Noellsch | 44 | Wife | — | Missouri |
| 10 | Kenneth Noellsch | 23 | Son | Laborer | Missouri |
| 11 | Lewis B. Noellsch | 21 | Son | Laborer | Missouri |
| 12 | Ethel M. Noellsch | 19 | Daughter | — | Missouri |
| 13 | Floris D. Noellsch | 10 | Daughter | — | Missouri |
| 14 | Floyd E. Coffman | 35 | R | Farmer | Missouri |
| 15 | Thelma L. Coffman | 10 | Daughter | — | Missouri |
| 16 | Aaron E. Coffman | 9 | Son | — | Missouri |
| 17 | Wilma K. Coffman | 6 | Daughter | — | Missouri |
| 18 | Ione Barker | 68 | Mother in law | — | Missouri |
| 19 | Fred A. Campbell | 47 | Head | Farmer | Missouri |
| 20 | Maude Campbell | 44 | Wife | — | Missouri |
| 21 | James Curtis | 90 | Father in law | — | Indiana |
| 22 | Elmer G. Campbell | 22 | Head | Laborer | Missouri |
| 23 | Martha A. Campbell | 24 | Wife | — | Illinois |
| 24 | Fred E. Fleener | 49 | O | Farmer | Missouri |
| 25 | Gertie M. Fleener | 40 | Wife | — | Missouri |
| 26 | James H. Hodgins | 41 | Brother in law | Laborer | Missouri |
| 27 | Emerson Ramsey | 27 | O | Farmer | Missouri |
| 28 | Pauline Ramsey | 20 | Wife | — | Missouri |
| 29 | Marilyn Ramsey | 2 | Daughter | — | Missouri |
| 30 | Emmett Proffit | 20 | Brother in law | Laborer | Missouri |
| 31 | Kate Grinder | 65 | Head | — | Missouri |
| 32 | Nooma Callow | 70 | Head | — | Missouri |
| 33 | James W. Meek | 3 | Boarder | — | Missouri |
| 34 | Guy J. Noland | 38 | Head | Farmer | Missouri |
| 35 | Maude E. Noland | 31 | Wife | — | Missouri |
| 36 | Lucile Noland | 9 | Daughter | — | Missouri |
| 37 | Wilma F. Noland | 7 | Daughter | — | Missouri |
| 38 | Rose M. Noland | 3 | Daughter | — | Missouri |
| 39 | Charles J. Dinwiddie | 48 | Head | Farmer | Missouri |
| 40 | Rosa M. Dinwiddie | 42 | Wife | — | Missouri |
| 41 | Earl D. Dinwiddie | 19 | Son | Laborer | Missouri |
| 42 | Harry Dinwiddie | 16 | Son | — | Missouri |
| 43 | Chester Dinwiddie | 9 | Son | — | Missouri |
| 44 | Clarence Dinwiddie | 26 | Son | Mechanic | Missouri |
| 45 | Lucile Dinwiddie | 23 | Daughter in law | Teacher | Missouri |
| 46 | James C. Mayer | 71 | O | — | Missouri |
| 47 | Lizzie S. Mayer | 70 | Wife | — | Ohio |
| 48 | William E. Mayer THIS PERSON | 25 | Son | Farmer | Missouri |
| 49 | Opal I. Mayer | 22 | Daughter in law | — | Missouri |
| 50 | John R. Ferguson | 43 | Head | Farmer | Missouri |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)