AM
Alice Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fayette-County, Illinois
Our Model Tree links this Alice Mason across the 1930 and 1940 US Censuses in Fayette-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 6-person household.
Age 11
b. ~1929
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fayette-County, Illinois |
| Surname | Mason |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Avena Twp |
| 1935 Residence (County) | Fayette |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Avena Twp |
| Est. Birth Year | ~1929 |
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 Alice | Age | Birth yr |
|---|---|---|---|---|
| Mildred Mason | Daughter | — | 17 | ~1923 |
| Mike Mason | Head | — | 42 | ~1898 |
| Iva Mason | Spouse | — | 37 | ~1903 |
| Carl Mason | Son | — | 8 | ~1932 |
| Alice Mason | Daughter | — | 11 | ~1929 |
| Earl Mason | Son | — | 14 | ~1926 |
Census Appearances
1930
Effingham, Illinois
Daughter, age 1
Effingham, Illinois · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| 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 |
1940
Fayette-County, Illinois
Daughter, age 11
Fayette-County, Illinois · implied b. ~1929 — 6 household members
| Surname | Mason |
| Given Name | Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Avena Twp |
| 1935 Residence (County) | Fayette |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| 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 Alice Mason across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Alice Mason
Daughter · 1940 · age 11 · b. ~1929 · Illinois
★ You are viewing this record
Sibling
Mildred Mason
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Mason
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Mason
Sibling · 1940 · age 14
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 — Fayette-County, Illinois
Open full size
1940 US Federal Census — Fayette-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00801-00090)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lee Lee | 35 | Son | Laborer Project | Illinois |
| 2 | Pearl W Lee | 30 | Son | Truck Driver | Illinois |
| 3 | L A Mackey | 34 | Head | Teamster | Oklahoma |
| 4 | Edna Mackey | 34 | Wife | — | Oklahoma |
| 5 | Homer O'Haver | 41 | Head | Truck Driver | Oklahoma |
| 6 | Velma O'Haver | 16 | Wife | — | Illinois |
| 7 | Mike Mason | 42 | Head | Laborer | Illinois |
| 8 | Iva Mason | 37 | Wife | — | Illinois |
| 9 | Mildred Mason | 17 | Daughter | — | Illinois |
| 10 | Earl Mason | 14 | Son | — | Illinois |
| 11 | Alice Mason THIS PERSON | 11 | Daughter | — | Illinois |
| 12 | Carl Mason | 8 | Son | — | Illinois |
| 13 | William Mason | 20 | Head | Cook | Illinois |
| 14 | Emma Mason | 16 | Wife | — | Texas |
| 15 | Curtis Riley | 39 | Head | Laborer | Illinois |
| 16 | Kathryn Riley | 40 | Wife | — | Illinois |
| 17 | Curtis Harlan Riley | 10 | Son | — | Illinois |
| 18 | Pauletta Ann Riley | 7 | Daughter | — | Illinois |
| 19 | Patience June Riley | 5 | Daughter | — | Illinois |
| 20 | Larry William Riley | 5 | Son | — | Illinois |
| 21 | Flora Riley | 56 | Head | — | Illinois |
| 22 | Eloise Riley | 16 | Granddaughter | — | Illinois |
| 23 | Juanita Riley | 14 | Granddaughter | — | Illinois |
| 24 | Laura Owens | 54 | Head | — | Kansas |
| 25 | Earl Owens | 29 | Son | Laborer | Illinois |
| 26 | Lillian Owens | 23 | Daughter | Housekeeper | Illinois |
| 27 | Harry Ashton | 45 | Head | Police Chief | Illinois |
| 28 | Jessie Ashton | 42 | Wife | — | Illinois |
| 29 | John Gumbaugh | 45 | Head | Laborer | Illinois |
| 30 | Ruth Gumbaugh | 32 | Wife | — | Illinois |
| 31 | Berna Gumbaugh | 20 | Daughter | — | Illinois |
| 32 | Viola Gumbaugh | 15 | Daughter | — | Illinois |
| 33 | Imogene Gumbaugh | 12 | Daughter | — | Illinois |
| 34 | Billie Gumbaugh | 9 | Son | — | Illinois |
| 35 | Helen Gumbaugh | 8 | Daughter | — | Illinois |
| 36 | Mary Lou Gumbaugh | 5 | Daughter | — | Illinois |
| 37 | H H Beer | 53 | Head | Maintenance Mechanic | Illinois |
| 38 | Rosaline Beer | 42 | Wife | — | Illinois |
| 39 | Darma Beer | 15 | Daughter | — | Illinois |
| 40 | Carol Louise Beer | 11 | Daughter | — | Kansas |
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)