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William Lindsey — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mason-County, Illinois
Our Model Tree links this William Lindsey across the 1920, 1930 and 1940 US Censuses in Mason-County, Illinois (XGBoost, ~Confirmed), with identified parents Warren & Ethel — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mason-County, Illinois |
| Surname | Lindsey |
| Given Name | William L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Bath Township |
| 1935 Residence (County) | Mason |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 28 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Farmer |
| Township / Ward | Bath Township |
| Est. Birth Year | ~1919 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Oran Lindsey | Son | — | 28 | ~1912 |
| William Lindsey | Son | — | 21 | ~1919 |
| Ethel Lindsey | Spouse | — | 58 | ~1882 |
| Warren Lindsey | Head | — | 58 | ~1882 |
Census Appearances
1920
Mason, Illinois
Son, age 1
Mason, Illinois · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lindsay |
| Given Name | Willie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Mason, Illinois
Son, age 11
Mason, Illinois · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lindsay |
| Given Name | Willie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mason-County, Illinois
Son, age 21
Mason-County, Illinois · implied b. ~1919 — 4 household members
| Surname | Lindsey |
| Given Name | William L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Bath Township |
| 1935 Residence (County) | Mason |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 28 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Lindsey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Warren Lindsay (~0.92 confidence) and mother Ethel Lindsay (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Warren Lindsay
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Ethel Lindsay
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Lindsey
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Oran Lindsey
Sibling · 1940 · age 28
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 — Mason-County, Illinois
Open full size
1940 US Federal Census — Mason-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00855-00050)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Irma Lippert | 28 | Daughter | Clerk | Illinois |
| 42 | Charles E. Lippert | 51 | Head | Farmer | Illinois |
| 43 | Edith M. Lippert | 43 | Wife | — | Illinois |
| 44 | Leslie A. Lippert | 21 | Son | Farm Laborer | Illinois |
| 45 | Charles A. Lippert | 16 | Son | — | Illinois |
| 46 | Marshall H. Williams | 65 | Head | Farmer | Illinois |
| 47 | Virgie A. Williams | 54 | Wife | — | Illinois |
| 48 | Addie I. Williams | 15 | Daughter | — | Illinois |
| 49 | William H. Schuering | 45 | Head | Farmer | Illinois |
| 50 | Alma A. Schuering | 42 | Wife | — | Illinois |
| 51 | Marguerite A.M. Schuering | 18 | Daughter | — | Illinois |
| 52 | Josephine E.E. Schuering | 15 | Daughter | — | Illinois |
| 53 | Francis F.M. Schuering | 12 | Daughter | — | Illinois |
| 54 | Rosalyn S. Schuering | 6 | Daughter | — | Illinois |
| 55 | Ralph Sisson | 50 | Head | Farmer | Illinois |
| 56 | Irene E. Sisson | 28 | Wife | — | Illinois |
| 57 | Danny Sisson | 9 | Son | — | Illinois |
| 58 | Adelia J. Sisson | 7 | Daughter | — | Illinois |
| 59 | Warren L.O. Lindsey | 58 | Head | Farmer | Illinois |
| 60 | Ethel C. Lindsey | 58 | Wife | — | Illinois |
| 61 | Oran T. Lindsey | 28 | Son | Farmer | Illinois |
| 62 | William L. Lindsey THIS PERSON | 21 | Son | Farmer | Illinois |
| 63 | Oscar B. Fore | 35 | Head | Laborer | Illinois |
| 64 | Dolly B. Fore | 30 | Wife | — | Illinois |
| 65 | Donald E. Fore | 4 | Son | — | Illinois |
| 66 | Patsy L. Fore | 0 | Daughter | — | Illinois |
| 67 | Melvin L. Fore | 19 | Head | Laborer | Illinois |
| 68 | Cora P. Fore | 20 | Wife | — | Illinois |
| 69 | Melvin D. Fore | 0 | Son | — | Illinois |
| 70 | Oran T. Dale | 22 | Head | Laborer | Illinois |
| 71 | Mildred A. Dale | 19 | Wife | — | Kansas |
| 72 | Flossie J. Dale | 1 | Daughter | — | Illinois |
| 73 | Jesse D. Dale | 64 | Head | Laborer | Illinois |
| 74 | Leona E. Dale | 63 | Wife | — | Illinois |
| 75 | Howard J. Miller | 30 | Head | Laborer | Illinois |
| 76 | Beulah P. Miller | 23 | Wife | — | Illinois |
| 77 | Edith D. Miller | 3 | Daughter | — | Illinois |
| 78 | Doris J. Miller | 2 | Daughter | — | Illinois |
| 79 | Jacob Smith | 54 | Boarder | Laborer | Illinois |
| 80 | Arlie J. Session | 37 | Head | Farm Laborer | Illinois |
Pedigree Summary
William + 1 sibling
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)