CM
Charles Mason — 1940 US Census Record
Model Tree available1940 United States Federal Census · Johnson-County, Illinois
Our Model Tree links this Charles Mason across the 1920, 1930 and 1940 US Censuses in Johnson-County, Illinois (XGBoost, ~Confirmed), with identified parents Elabine & E — first a head (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Johnson-County, Illinois |
| Surname | Mason |
| Given Name | Charles H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Cypress |
| 1935 Residence (County) | Johnson |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| 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 | Cypress |
| Est. Birth Year | ~1908 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Betty Kellie | Daughter | — | 14 | ~1926 |
| Charles Mason | Head | — | 32 | ~1908 |
| Charles Mason | Son | — | 9 | ~1931 |
| Mary Mason | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Johnson, Illinois
Son, age 11
Johnson, Illinois · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Charles H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Johnson, Illinois
Son, age 21
Johnson, Illinois · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Charles H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Johnson-County, Illinois
Head, age 32
Johnson-County, Illinois · implied b. ~1908 — 4 household members
| Surname | Mason |
| Given Name | Charles H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Cypress |
| 1935 Residence (County) | Johnson |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| 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 Charles Mason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Elabine Mason (~0.92 confidence) and mother E Mason (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Elabine Mason
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
E Mason
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Mason
Head · 1940 · age 32 · b. ~1908 · Illinois
★ 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 — Johnson-County, Illinois
Open full size
1940 US Federal Census — Johnson-County, Illinois
Page Contents
26 people indexed on this census page (nara:1940:m-t0627-00818-00076)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thelma Mccoy | 2 | Daughter | — | Illinois |
| 42 | John G. Mccoy | 57 | Head | Salesman | Illinois |
| 43 | Cora Mccoy | 56 | Wife | — | Illinois |
| 44 | Archie E. Capron | 19 | Grandson | New Worker | Illinois |
| 45 | Mary Helen Capron | 10 | Granddaughter | — | Illinois |
| 46 | Barney Allen | 50 | Head | Timber Cutter | Illinois |
| 47 | Laura Allen | 45 | Wife | — | Illinois |
| 48 | Warren Allen | 19 | Son | Timber Cutter | Illinois |
| 49 | Anna M. Allen | 17 | Daughter | — | Illinois |
| 50 | Guy Allen | 14 | Son | — | Illinois |
| 51 | Doris Allen | 13 | Daughter | — | Illinois |
| 52 | Bessie Allen | 12 | Daughter | — | Illinois |
| 53 | Mary Etta Allen | 5 | Daughter | — | Illinois |
| 54 | Charles H. Mason THIS PERSON | 32 | Head | Farmer | Illinois |
| 55 | Mary Belle Mason | 33 | Wife | Teacher | Illinois |
| 56 | Charles Mason | 9 | Son | — | Illinois |
| 57 | Betty Joe Kellie | 14 | Daughter | — | Illinois |
| 58 | Mae Laughlin | 61 | Head | — | Illinois |
| 59 | William J. Jr. Racey | 33 | Son-in-law | Lineman | Illinois |
| 60 | Katherine Racey | 25 | Daughter | — | Illinois |
| 61 | Margaret A. Racey | 6 | Granddaughter | — | Illinois |
| 62 | John E. Racey | 4 | Grandson | — | Illinois |
| 63 | W. F. D. Hunter | 52 | Head | Farmer | Illinois |
| 64 | Lela Hunter | 48 | Wife | — | Illinois |
| 65 | Guy J. Hunter | 28 | Son | Teacher | Illinois |
| 66 | Clay M. Hunter | 26 | Son | Teacher | Illinois |
Pedigree Summary
Charles
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)