RM
Richard Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Elkhart-County, Indiana
Our Model Tree links this Richard Mason across the 1930 and 1940 US Censuses in Elkhart-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Elkhart-County, Indiana |
| Surname | Mason |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Elkhart City |
| 1935 Residence (County) | Elkhart |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Elkhart City |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Richard | Age | Birth yr |
|---|---|---|---|---|
| Dean Mason | Son | — | 4 | ~1936 |
| James Mason | Head | — | 52 | ~1888 |
| Fanny Mason | Spouse | — | 49 | ~1891 |
| Leroy Mason | Son | — | 23 | ~1917 |
| Lavern Mason | Son | — | 9 | ~1931 |
| Wilbur Mason | Son | — | 18 | ~1922 |
| Richard Mason | Son | — | 12 | ~1928 |
Census Appearances
1930
Elkhart, Indiana
Son, age 3
Elkhart, Indiana · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Richard D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Maine |
| Mother's Birthplace | Indiana |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Elkhart-County, Indiana
Son, age 12
Elkhart-County, Indiana · implied b. ~1928 — 7 household members
| Surname | Mason |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Elkhart City |
| 1935 Residence (County) | Elkhart |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Richard Mason across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Richard Mason
Son · 1940 · age 12 · b. ~1928 · Indiana
★ You are viewing this record
Sibling
Wilbur Mason
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dean Mason
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lavern Mason
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Mason
Sibling · 1940 · age 23
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 — Elkhart-County, Indiana
Open full size
1940 US Federal Census — Elkhart-County, Indiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01040-01009)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James E. Mason | 52 | Head | Machinist | Maine |
| 2 | Fanny Mason | 49 | Wife | — | Indiana |
| 3 | Leroy Mason | 23 | Son | Shopwork | Michigan |
| 4 | Wilbur Mason | 18 | Son | — | Michigan |
| 5 | Richard Mason THIS PERSON | 12 | Son | — | Michigan |
| 6 | Lavern Mason | 9 | Son | — | Indiana |
| 7 | Dean Mason | 4 | Son | — | Indiana |
| 8 | Chester C. Bitters | 67 | Head | Carpenter | Indiana |
| 9 | Lola E. Bitters | 58 | Wife | Assembly Worker | Indiana |
| 10 | August M. Bock | 31 | Head | Welder | Indiana |
| 11 | Audrey E. Bock | 31 | Wife | — | Indiana |
| 12 | James D. Bock | 6 | Son | — | Indiana |
| 13 | Carl M. Hamlet | 39 | Head | Health Officer | Indiana |
| 14 | Gladys M. Hamlet | 35 | Wife | — | Michigan |
| 15 | Norma J. Hamlet | 10 | Daughter | — | Indiana |
| 16 | Frank H. Elvidge | 52 | Head | Upholsterer | Michigan |
| 17 | Hazel Elvidge | 50 | Wife | — | Indiana |
| 18 | Wilford R. Adams | 26 | Head | Manager | Indiana |
| 19 | Ruth Adams | 22 | Wife | — | Indiana |
| 20 | Loretta L. Adams | 2 | Daughter | — | Indiana |
| 21 | Andrew J. Vargo | 32 | Head | Welder | Indiana |
| 22 | Lillian Vargo | 23 | Wife | — | Michigan |
| 23 | Geraldine Vargo | 0 | Daughter | — | Indiana |
| 24 | Isola Waterman | 52 | Mother-in-law | — | Michigan |
| 25 | Lyle A. Tyson | 34 | Head | Foreman | Indiana |
| 26 | Elsie E. Tyson | 35 | Wife | — | Indiana |
| 27 | Beverly J. Tyson | 15 | Daughter | — | Indiana |
| 28 | Seth A. Rohrer | 30 | Head | Manager | Indiana |
| 29 | Emma Rohrer | 29 | Wife | — | Indiana |
| 30 | Austin J. Keifer | 39 | Head | Contractor | Indiana |
| 31 | Edna Keifer | 39 | Wife | — | Indiana |
| 32 | Elaine O. Keifer | 18 | Daughter | — | Indiana |
| 33 | Phyllis M. Keifer | 17 | Daughter | — | Indiana |
| 34 | Joyce A. Keifer | 12 | Daughter | — | Indiana |
| 35 | Patricia J. Keifer | 8 | Daughter | — | Indiana |
| 36 | Robert Keifer | 7 | Son | — | Indiana |
| 37 | Elizabeth J. Keifer | 5 | Daughter | — | Indiana |
| 38 | Edward W. Keifer | 1 | Son | — | Indiana |
| 39 | Clarence L. Gorsuch | 37 | Head | Locomotive Fireman | Indiana |
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)