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John Moon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sauk-County, Wisconsin
Our Model Tree links this John Moon across the 1930 and 1940 US Censuses in Sauk-County, Wisconsin (XGBoost, ~Confirmed) — first a head (b.~1900), then head of a 6-person household.
Age 40
b. ~1900
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sauk-County, Wisconsin |
| Surname | Moon |
| Given Name | John Dr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Baraboo City |
| 1935 Residence (County) | Sauk |
| Additional Details | |
| Occupation | medical doctor |
| Industry | medical private practice |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Medical Doctor |
| Township / Ward | Baraboo City |
| Est. Birth Year | ~1900 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Viola Nelson | Other | — | 19 | ~1921 |
| James Moon | Son | — | 14 | ~1926 |
| William Moon | Son | — | 17 | ~1923 |
| John Moon | Head | — | 40 | ~1900 |
| Virginia Moon | Spouse | — | 25 | ~1915 |
| Michael Moon | Son | — | 2 | ~1938 |
Census Appearances
1930
Sauk, Wisconsin
Head, age 30
Sauk, Wisconsin · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Moon |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 21 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | Grinder |
| Industry | Woolen Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 15000 |
| Radio Set | R |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Sauk-County, Wisconsin
Head, age 40
Sauk-County, Wisconsin · implied b. ~1900 — 6 household members
| Surname | Moon |
| Given Name | John Dr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Baraboo City |
| 1935 Residence (County) | Sauk |
| Occupation | medical doctor |
| Industry | medical private practice |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Moon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Moon
Head · 1940 · age 40 · b. ~1900 · Wisconsin
★ 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 — Sauk-County, Wisconsin
Open full size
1940 US Federal Census — Sauk-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04523-00038)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clayton L Gill | 34 | Head | Census Clerk | Wisconsin |
| 42 | Alice S Gill | 30 | Wife | — | Wisconsin |
| 43 | Dale Gill | 6 | Son | — | Wisconsin |
| 44 | Nancy Gill | 1 | Daughter | — | Wisconsin |
| 45 | Walter Denzer | 34 | Head | Mason | Wisconsin |
| 46 | Irene Denzer | 22 | Wife | — | Wisconsin |
| 47 | Carolyn Denzer | 3 | Daughter | — | Wisconsin |
| 48 | Betty Denzer | 2 | Daughter | — | Wisconsin |
| 49 | Martha Herfort | 56 | Head | Pastry Salad | Wisconsin |
| 50 | Alvin Herfort | 17 | Son | New Usher | Wisconsin |
| 51 | Rodney Herfort | 24 | Head | Laborer | Wisconsin |
| 52 | Janice Herfort | 24 | Wife | — | Wisconsin |
| 53 | Gordon Herfort | 3 | Son | — | Wisconsin |
| 54 | Henry Quandt | 66 | Head | Laborer | Wisconsin |
| 55 | Margaret Quandt | 65 | Wife | — | Wisconsin |
| 56 | Burton Higgins | 53 | Head | Salesman | Wisconsin |
| 57 | Clarissa Higgins | 50 | Wife | — | Wisconsin |
| 58 | Floyd Higgins | 21 | Son | Surveyor Helper | Wisconsin |
| 59 | John L Garner | 32 | Roomer | Farm Rr Supt | Wisconsin |
| 60 | Roy Lienau | 30 | Head | Manager | Wisconsin |
| 61 | Isabel Lienau | 28 | Wife | — | Wisconsin |
| 62 | Darlene Lienau | 5 | Daughter | — | Michigan |
| 63 | Janis Lynn Lienau | 1 | Daughter | — | Wisconsin |
| 64 | Rodger Vethe | 34 | Head | Clerk | Wisconsin |
| 65 | Loretta Vethe | 33 | Wife | — | Illinois |
| 66 | Donald Vethe | 4 | Son | — | Wisconsin |
| 67 | Philip Goodale | 55 | Head | Carpenter | Kansas |
| 68 | Mabel Goodale | 32 | Wife | — | Wisconsin |
| 69 | John Dr Moon THIS PERSON | 40 | Head | Medical Doctor | Wisconsin |
| 70 | Virginia Moon | 25 | Wife | — | Wisconsin |
| 71 | Michael Moon | 2 | Son | — | Wisconsin |
| 72 | William Moon | 17 | Son | — | Wisconsin |
| 73 | James Moon | 14 | Son | — | Wisconsin |
| 74 | Viola Nelson | 19 | Maid | Maid | Wisconsin |
| 75 | Lester Fry | 43 | Head | Director Of Public Welfare | Illinois |
| 76 | Mildred Fry | 42 | Wife | — | Illinois |
| 77 | John Fry | 16 | Son | — | Wisconsin |
| 78 | George Fry | 13 | Son | — | Wisconsin |
| 79 | Helen Fry | 5 | Daughter | — | Illinois |
| 80 | Linda Pagel | 22 | Maid | Maid | Wisconsin |
Related Census Records
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)