WF
William Frederick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Greene-County, Indiana
Our Model Tree links this William Frederick across the 1930 and 1940 US Censuses in Greene-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 5-person household.
Age 15
b. ~1925
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Greene-County, Indiana |
| Surname | Frederick |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Stafford |
| 1935 Residence (County) | Greene |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Stafford |
| Est. Birth Year | ~1925 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Frederick | Son | — | 15 | ~1925 |
| Sheran Frederick | Daughter | — | 2 | ~1938 |
| Dessa Frederick | Daughter | — | 18 | ~1922 |
| A Frederick | Head | — | 44 | ~1896 |
| Leona Frederick | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Greene, Indiana
Son, age 5
Greene, Indiana · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frederick |
| Given Name | William D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Greene-County, Indiana
Son, age 15
Greene-County, Indiana · implied b. ~1925 — 5 household members
| Surname | Frederick |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Stafford |
| 1935 Residence (County) | Greene |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Frederick across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Frederick
Son · 1940 · age 15 · b. ~1925 · Indiana
★ You are viewing this record
Sibling
Dessa Frederick
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sheran Frederick
Sibling · 1940 · age 2
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 — Greene-County, Indiana
Open full size
1940 US Federal Census — Greene-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01049-00413)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ira L. Brown | 5 | Step son | — | Indiana |
| 42 | Ira L. Brown | 50 | Head | Owner | Indiana |
| 43 | James Hughes | 47 | Head | Owner | Indiana |
| 44 | Elsie B. Hughes | 48 | Wife | — | Indiana |
| 45 | Agnes M. Hughes | 24 | Daughter | Housekeeper | Indiana |
| 46 | Alverta W. Hughes | 22 | Daughter | — | Indiana |
| 47 | Dale J. Hughes | 20 | Son | — | Indiana |
| 48 | Ruth L. Hughes | 17 | Daughter | — | Indiana |
| 49 | Doris G. Hughes | 15 | Daughter | — | Indiana |
| 50 | Merle E. Hughes | 11 | Daughter | — | Indiana |
| 51 | Martha L. Hughes | 6 | Daughter | — | Indiana |
| 52 | Mary A. Hughes | 5 | Daughter | — | Indiana |
| 53 | Leonard J. Hughes | 2 | Son | — | Indiana |
| 54 | A. Culmer Frederick | 44 | Head | — | Indiana |
| 55 | Leona L. Frederick | 40 | Wife | — | Indiana |
| 56 | Dessa L. Frederick | 18 | Daughter | Typist | Indiana |
| 57 | William J. Frederick THIS PERSON | 15 | Son | — | Indiana |
| 58 | Sheran L. Frederick | 2 | Daughter | — | Indiana |
| 59 | Irving Medlock | 49 | Head | Foreman | Indiana |
| 60 | Lena L. Medlock | 49 | Wife | — | Indiana |
| 61 | Opal D. Medlock | 18 | Daughter | — | Indiana |
| 62 | Kenneth M. Medlock | 15 | Son | — | Indiana |
| 63 | James F. Medlock | 12 | Son | — | Indiana |
| 64 | Irving Jr. Medlock | 10 | Son | — | Indiana |
| 65 | Betty J. Medlock | 9 | Daughter | — | Indiana |
| 66 | Bonnie R. Medlock | 6 | Daughter | — | Indiana |
| 67 | Franklin S. Medlock | 4 | Son | — | Indiana |
| 68 | Lawrence Young | 39 | Head | Owner | Indiana |
| 69 | Ethel E. Young | 38 | Wife | — | Indiana |
| 70 | Anna M. Young | 15 | Daughter | — | Indiana |
| 71 | Lela J. Young | 13 | Daughter | — | Indiana |
| 72 | Martin D. Young | 1 | Son | — | Indiana |
| 73 | Clara E. Williams | 63 | Head | Farmer | Indiana |
| 74 | Marion Williams | 38 | Son | Teacher | Indiana |
| 75 | Lois M. Williams | 25 | Daughter | Feeder | Indiana |
| 76 | Marshall Benson | 65 | Head | Owner | Indiana |
| 77 | Mary F. Benson | 66 | Wife | — | Indiana |
| 78 | John R. Carmichael | 34 | Head | Bus Driver | Indiana |
| 79 | Ruth E. Carmichael | 29 | Wife | — | Indiana |
| 80 | Clarence R. Carmichael | 11 | Son | — | Indiana |
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)