RM
Robert Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Scioto-County, Ohio
Our Model Tree links this Robert Mason across the 1930 and 1940 US Censuses in Scioto-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Scioto-County, Ohio |
| Surname | Mason |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Scioto |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 7 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Harrison Township |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Ruby Mason | Daughter | — | 22 | ~1918 |
| Helen Mason | Daughter | — | 16 | ~1924 |
| Logan Mason | Head | — | 52 | ~1888 |
| Carl Mason | Son | — | 7 | ~1933 |
| Matthew Mason | Son | — | 17 | ~1923 |
| William Mason | Son | — | 20 | ~1920 |
| Robert Mason | Son | — | 13 | ~1927 |
| Eliza Mason | Spouse | — | 45 | ~1895 |
Census Appearances
1930
Scioto, Ohio
Son, age 3
Scioto, Ohio · implied b. ~1927 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Scioto-County, Ohio
Son, age 13
Scioto-County, Ohio · implied b. ~1927 — 8 household members
| Surname | Mason |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Scioto |
| Class of Worker | 0 |
| Highest Grade | 7 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Mason
Son · 1940 · age 13 · b. ~1927 · Ohio
★ You are viewing this record
Sibling
Ruby Mason
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Matthew Mason
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mason
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Mason
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mason
Sibling · 1940 · age 16
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 — Scioto-County, Ohio
Open full size
1940 US Federal Census — Scioto-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03141-00318)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louella Bennett | 19 | daughter | — | Ohio |
| 42 | Homer Bennett | 18 | son | Farmer | Ohio |
| 43 | Ralph Bennett | 13 | son | — | Ohio |
| 44 | Logan Mason | 52 | Head | Laborer | Kentucky |
| 45 | Eliza Mason | 45 | Wife | — | Kentucky |
| 46 | Ruby Mason | 22 | daughter | — | Kentucky |
| 47 | William Mason | 20 | son | Laborer | Kentucky |
| 48 | Matthew Mason | 17 | son | Laborer | Ohio |
| 49 | Helen Mason | 16 | daughter | — | Ohio |
| 50 | Robert Mason THIS PERSON | 13 | son | — | Ohio |
| 51 | Carl Mason | 7 | son | — | Ohio |
| 52 | Norman Isom | 45 | Head | Laborer | Kentucky |
| 53 | Maggie Isom | 39 | Wife | — | Kentucky |
| 54 | Clarence Isom | 19 | son | Radio Mechanic | Kentucky |
| 55 | Lawrence Isom | 18 | son | Company Clerk | Kentucky |
| 56 | Emma Isom | 16 | daughter | — | Ohio |
| 57 | Kenneth Isom | 14 | son | — | Ohio |
| 58 | Edna Isom | 13 | daughter | — | Ohio |
| 59 | Ulmont Isom | 11 | son | — | Ohio |
| 60 | Leonard Isom | 9 | son | — | Ohio |
| 61 | William Weeks | 55 | Head | Farmer | Ohio |
| 62 | Ella Weeks | 50 | Wife | — | Ohio |
| 63 | Dorothy Weeks | 20 | daughter | Teacher | Ohio |
| 64 | Lowell Weeks | 18 | son | — | Ohio |
| 65 | John Weeks | 59 | Head | Farmer | Ohio |
| 66 | Jack Williams | 33 | Head | Laborer | Kentucky |
| 67 | Ellen Williams | 28 | Wife | — | Ohio |
| 68 | Virgil Williams | 5 | son | — | Ohio |
| 69 | Elmer Williams | 2 | son | — | Ohio |
| 70 | Clarence Everett Williams | 0 | son | — | Ohio |
| 71 | Dolph Dingus | 58 | Head | — | Kentucky |
| 72 | Cora Dingus | 46 | wife | — | Kentucky |
| 73 | Charles Dingus | 25 | son | Laborer | Kentucky |
| 74 | William Dingus | 17 | son | Laborer | Ohio |
| 75 | Raymond Dingus | 15 | son | — | Ohio |
| 76 | Rozena Dingus | 12 | daughter | — | Ohio |
| 77 | Ernest Pierson | 43 | Head | Steel Mill | West Virginia |
| 78 | Hester Pierson | 42 | Wife | — | West Virginia |
| 79 | Orville Pierson | 19 | son | Farmer | Ohio |
| 80 | Lester Pierson | 15 | son | — | Ohio |
Related Census Records
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)