RM
Robert Mason — 1940 US Census Record
Model Tree available1940 United States Federal Census · Madison-County, Kentucky
Our Model Tree links this Robert Mason across the 1920, 1930 and 1940 US Censuses in Madison-County, Kentucky (XGBoost, ~Confirmed), with identified parents John & Sarah — first a son (b.~1891), then head of a 4-person household.
Age 49
b. ~1891
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Kentucky |
| Surname | Mason |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist 6 Glade |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Farmer |
| Industry | On Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Farmer |
| Township / Ward | Mag Dist 6 Glade |
| Est. Birth Year | ~1891 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Lada Mason | Daughter | — | 53 | ~1887 |
| Sarah Mason | Head | — | 80 | ~1860 |
| Robert Mason | Son | — | 49 | ~1891 |
| John Mason | Son | — | 55 | ~1885 |
Census Appearances
1920
Madison, Kentucky
Son, age 28
Madison, Kentucky · implied b. ~1892 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Madison, Kentucky
Son, age 39
Madison, Kentucky · implied b. ~1891 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farmer |
| Industry | Gen farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Madison-County, Kentucky
Son, age 49
Madison-County, Kentucky · implied b. ~1891 — 4 household members
| Surname | Mason |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist 6 Glade |
| 1935 Residence (County) | Madison |
| Occupation | Farmer |
| Industry | On Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Robert Mason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Mason (~0.92 confidence) and mother Sarah Mason (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mason
b. ~1851
Source father
● Household
· direct · ~0.92
Mother
Sarah Mason
b. ~1860
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Mason
Son · 1940 · age 49 · b. ~1891 · Kentucky
★ You are viewing this record
Sibling
John Mason
Sibling · 1940 · age 55
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lada Mason
Sibling · 1940 · age 53
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 — Madison-County, Kentucky
Open full size
1940 US Federal Census — Madison-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01337-00533)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dave R Hisle | 34 | Head | Farmer | Kentucky |
| 42 | Mystic Ann Hisle | 24 | Wife | — | Kentucky |
| 43 | Mary Catherine Hisle | 13 | Daughter | — | Kentucky |
| 44 | John David Hisle | 9 | Son | — | Kentucky |
| 45 | Leo Witt | 23 | Head | Farmer | Kentucky |
| 46 | Nancy Witt | 24 | Wife | — | Kentucky |
| 47 | Wm Jr. Witt | 8 | Son | — | Kentucky |
| 48 | Annick Galloway | 57 | Head | Farmer | Kentucky |
| 49 | Jack Galloway | 22 | Son | Farmer | Kentucky |
| 50 | B. M. Stagner | 35 | Son | Clerk | Kentucky |
| 51 | Joe Lawson | 57 | Head | Farmer | Kentucky |
| 52 | Mary Lawson | 49 | Wife | — | Kentucky |
| 53 | Clarence Lawson | 18 | Son | Laborer | Kentucky |
| 54 | Evelyn Lawson | 14 | Daughter | — | Kentucky |
| 55 | Juanita Lawson | 11 | Daughter | — | Kentucky |
| 56 | Joe Jr. Lawson | 5 | Son | — | Kentucky |
| 57 | Robert Coffey | 32 | Head | Farmer | Kentucky |
| 58 | Gladys Coffey | 26 | Wife | — | Kentucky |
| 59 | Mary Ann Coffey | 6 | Daughter | — | Kentucky |
| 60 | Betty Jean Coffey | 3 | Daughter | — | Kentucky |
| 61 | Mat Hocker | 47 | Head | Farmer | Kentucky |
| 62 | Nannie Hocker | 42 | Wife | — | Kentucky |
| 63 | Joe Hocker | 49 | Brother | Farmer | Kentucky |
| 64 | Gladys Cripps | 9 | Daughter | — | Kentucky |
| 65 | Charlie Pete Hocker | 23 | Nephew | Laborer | Kentucky |
| 66 | May Francis Simpson | 27 | Lodger | Cook | Kentucky |
| 67 | Walter S Moores | 63 | Head | Farmer | Kentucky |
| 68 | Maggie P Moores | 60 | Wife | — | Kentucky |
| 69 | Walter W Moores | 33 | Son | Teacher | Kentucky |
| 70 | Elkin W Moores | 32 | Son | Farmer | Kentucky |
| 71 | Edgar S Moores | 30 | Son | Farmer | Kentucky |
| 72 | Eugene D Moores | 25 | Son | Farmer | Kentucky |
| 73 | Sarah C Mason | 80 | Head | — | Kentucky |
| 74 | John Mason | 55 | Son | Farmer | Kentucky |
| 75 | Lada Mason | 53 | Daughter | — | Kentucky |
| 76 | Robert Mason THIS PERSON | 49 | Son | Farmer | Kentucky |
| 77 | George Bowling | 31 | Head | Laborer | Kentucky |
| 78 | Vergie Bowling | 32 | Wife | — | Kentucky |
| 79 | Albert Bowling | 8 | Son | — | Kentucky |
| 80 | Henry Jr. Bowling | 6 | Son | — | Kentucky |
Related Census Records
Pedigree Summary
Robert + 2 siblings
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)