RM
Richard Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kalamazoo-County, Michigan
Our Model Tree links this Richard Mason across the 1930 and 1940 US Censuses in Kalamazoo-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 7-person household.
Age 18
b. ~1922
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kalamazoo-County, Michigan |
| Surname | Mason |
| Given Name | Richard A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Prairie Ronde |
| 1935 Residence (County) | Kalamazoo |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Prairie Ronde |
| Est. Birth Year | ~1922 |
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 |
|---|---|---|---|---|
| Barbara Mason | Daughter | — | 8 | ~1932 |
| John Mason | Son | — | 13 | ~1927 |
| Betty Mason | Daughter | — | 11 | ~1929 |
| Eugene Mason | Son | — | 15 | ~1925 |
| Richard Mason | Son | — | 18 | ~1922 |
| Thelma Mason | Spouse | — | 40 | ~1900 |
| Charles Mason | Head | — | 42 | ~1898 |
Census Appearances
1930
Kalamazoo, Michigan
Son, age 6
Kalamazoo, Michigan · implied b. ~1924 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Richard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Kalamazoo-County, Michigan
Son, age 18
Kalamazoo-County, Michigan · implied b. ~1922 — 7 household members
| Surname | Mason |
| Given Name | Richard A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Prairie Ronde |
| 1935 Residence (County) | Kalamazoo |
| Highest Grade | H 4 |
| 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 18 · b. ~1922 · Michigan
★ You are viewing this record
Sibling
Barbara Mason
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mason
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Mason
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Mason
Sibling · 1940 · age 15
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 — Kalamazoo-County, Michigan
Open full size
1940 US Federal Census — Kalamazoo-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01773-00441)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lyle A Decker | 17 | son | — | Michigan |
| 42 | Charles A Vanatti | 60 | Head | Farmer | Indiana |
| 43 | Roy J Sutherland | 58 | Head | Farmer | Michigan |
| 44 | Nellie M Sutherland | 57 | wife | — | Michigan |
| 45 | Nelson R Sutherland | 23 | son | Maintenance | Michigan |
| 46 | Bernie Mach | 34 | Head | Farmer | Michigan |
| 47 | Eunice E Mach | 32 | wife | — | Michigan |
| 48 | Donald H Mach | 12 | son | — | Michigan |
| 49 | Bertha M Mach | 11 | daughter | — | Michigan |
| 50 | Patricia A Mach | 9 | daughter | — | Michigan |
| 51 | Howard L Mach | 7 | son | — | Michigan |
| 52 | David L Mach | 6 | son | — | Michigan |
| 53 | Charles B Mach | 5 | son | — | Michigan |
| 54 | Stanley R Mach | 1 | son | — | Michigan |
| 55 | Charles D Kinney | 54 | Head | Farmer | Michigan |
| 56 | Phebe Kinney | 78 | Mother | — | Michigan |
| 57 | Celia E Wallace | 36 | Housekeeper | Housekeeper | Michigan |
| 58 | Walt S Kinney | 46 | Head | Farmer | Michigan |
| 59 | Harriet A Kinney | 46 | wife | — | Michigan |
| 60 | Charles A Mason | 42 | Head | Farmer | Michigan |
| 61 | Thelma G Mason | 40 | wife | — | Michigan |
| 62 | Richard A Mason THIS PERSON | 18 | son | — | Michigan |
| 63 | Eugene C Mason | 15 | son | — | Michigan |
| 64 | John L Mason | 13 | son | — | Michigan |
| 65 | Betty J Mason | 11 | daughter | — | Michigan |
| 66 | Barbara J Mason | 8 | daughter | — | Michigan |
| 67 | George X Cooper | 63 | Head | Farmer | Michigan |
| 68 | Edith M Cooper | 59 | wife | — | Michigan |
| 69 | Ray D Middleton | 34 | Head | Inspector | Michigan |
| 70 | Mina E Middleton | 22 | wife | Farmer | Michigan |
| 71 | Dawn L Middleton | 5 | daughter | — | Michigan |
| 72 | Ray D Middleton | 3 | son | — | Michigan |
| 73 | Bonnie J Middleton | 1 | daughter | — | Michigan |
| 74 | Clifford Fuller | 50 | Head | Farmer | Michigan |
| 75 | Margaret L Fuller | 45 | wife | — | Michigan |
| 76 | Harley J Saxton | 40 | Head | Trucker | Michigan |
| 77 | Ola M Saxton | 34 | wife | — | Michigan |
| 78 | John L Saxton | 12 | son | — | Indiana |
| 79 | Lois M Saxton | 10 | daughter | — | 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)