WS
William Simon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fillmore-County, Minnesota
Our Model Tree links this William Simon across the 1930 and 1940 US Censuses in Fillmore-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 11-person household.
Age 13
b. ~1927
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fillmore-County, Minnesota |
| Surname | Simon |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Spring Valley Twp |
| 1935 Residence (County) | Fillmore |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Spring Valley Twp |
| Est. Birth Year | ~1927 |
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 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Ann Simon | Daughter | — | 1 | ~1939 |
| James Simon | Son | — | 15 | ~1925 |
| William Simon | Son | — | 13 | ~1927 |
| Anton Simon | Son | — | 14 | ~1926 |
| Jerry Simon | Son | — | 9 | ~1931 |
| Eugene Simon | Son | — | 11 | ~1929 |
| Theodore Simon | Son | — | 10 | ~1930 |
| Clair Simon | Son | — | 5 | ~1935 |
| Ellen Simon | Spouse | — | 38 | ~1902 |
| Hugh Simon | Head | — | 40 | ~1900 |
| Helen Simon | Daughter | — | 3 | ~1937 |
Census Appearances
1930
Fillmore, Minnesota
Son, age 2
Fillmore, Minnesota · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simon |
| Given Name | William E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Fillmore-County, Minnesota
Son, age 13
Fillmore-County, Minnesota · implied b. ~1927 — 11 household members
| Surname | Simon |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Spring Valley Twp |
| 1935 Residence (County) | Fillmore |
| Highest Grade | No 8 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Simon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Simon
Son · 1940 · age 13 · b. ~1927 · Minnesota
★ You are viewing this record
Sibling
Clair Simon
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anton Simon
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerry Simon
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Simon
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Simon
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Simon
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Simon
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Simon
Sibling · 1940 · age 11
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 — Fillmore-County, Minnesota
Open full size
1940 US Federal Census — Fillmore-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01921-00637)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hugh A Simon | 40 | Head | Farmer | Minnesota |
| 2 | Ellen Simon | 38 | Wife | Housewife | Minnesota |
| 3 | James Simon | 15 | Son | — | Minnesota |
| 4 | Anton Simon | 14 | Son | — | Minnesota |
| 5 | William Simon THIS PERSON | 13 | Son | — | Minnesota |
| 6 | Eugene Simon | 11 | Son | — | Minnesota |
| 7 | Theodore Simon | 10 | Son | — | Minnesota |
| 8 | Jerry Simon | 9 | Son | — | Minnesota |
| 9 | Clair Simon | 5 | Son | — | Minnesota |
| 10 | Helen Simon | 3 | Daughter | — | Minnesota |
| 11 | Ann Simon | 1 | Daughter | — | Minnesota |
| 12 | Fred H Peters | 53 | Head | Farmer | Minnesota |
| 13 | Margaret Peters | 50 | Wife | Housewife | Minnesota |
| 14 | James T Goyen | 44 | Head | Stock Buyer | Illinois |
| 15 | Mary Goyen | 50 | Wife | Housewife | Missouri |
| 16 | Frank Cornwell | 48 | Head | Farmer | Minnesota |
| 17 | Clara Cornwell | 36 | Wife | Housewife | Minnesota |
| 18 | John Flynn | 17 | Stepson | — | Minnesota |
| 19 | George Makowski | 40 | Head | Farmer | Minnesota |
| 20 | Hazel Makowski | 37 | Wife | Housewife | Minnesota |
| 21 | Wendel Makowski | 12 | Son | — | Minnesota |
| 22 | Shirley Makowski | 12 | Daughter | — | Minnesota |
| 23 | Anko Runken | 69 | Head | Farmer | Illinois |
| 24 | Eliza Runken | 52 | Wife | Housewife | Indiana |
| 25 | Rosella Runken | 15 | Daughter | — | Minnesota |
| 26 | Dwain Runken | 11 | Son | — | Minnesota |
| 27 | Ephriam Bundy | 62 | Head | Farmer | Wisconsin |
| 28 | Maude Bundy | 57 | Wife | Housewife | Wisconsin |
| 29 | Gale Bundy | 17 | Son | — | Iowa |
| 30 | Herbert Sinn | 41 | Head | Farmer | Minnesota |
| 31 | Eda Sinn | 36 | Wife | Housewife | Minnesota |
| 32 | Maurice Sinn | 14 | Son | — | Minnesota |
| 33 | Donald Sinn | 12 | Son | — | Minnesota |
| 34 | Darline Sinn | 6 | Daughter | — | Minnesota |
| 35 | Floyd Bly | 43 | Head | Farmer | Minnesota |
| 36 | Inoz Bly | 36 | Wife | Housewife | Minnesota |
| 37 | George Bly | 15 | Son | — | Minnesota |
| 38 | Marion Bly | 11 | Daughter | — | Minnesota |
| 39 | Joyce Bly | 6 | Daughter | — | Minnesota |
| 40 | James Ezra | 57 | Head | Stock Buyer | Illinois |
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)