MJ
Mary James — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mason-County, Michigan
Our Model Tree links this Mary James across the 1930 and 1940 US Censuses in Mason-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 10-person household.
Age 12
b. ~1928
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mason-County, Michigan |
| Surname | James |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Highest Grade | G 6 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Riverton Twp |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Willie James | Daughter | — | 5 | ~1935 |
| Printer James | Daughter | — | 10 | ~1930 |
| Audrey James | Daughter | — | 3 | ~1937 |
| Mary James | Daughter | — | 12 | ~1928 |
| Ray James | Head | — | 42 | ~1898 |
| Russell James | Son | — | 16 | ~1924 |
| Clarence James | Son | — | 7 | ~1933 |
| Henry James | Son | — | 15 | ~1925 |
| Edgar James | Son | — | 9 | ~1931 |
| Marie James | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Mason, Michigan
Daughter, age 3
Mason, Michigan · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | James |
| Given Name | Mary A. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Mason-County, Michigan
Daughter, age 12
Mason-County, Michigan · implied b. ~1928 — 10 household members
| Surname | James |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Lake |
| Highest Grade | G 6 |
| 1935 Residence | Michigan |
| 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 Mary James across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary James
Daughter · 1940 · age 12 · b. ~1928 · Michigan
★ You are viewing this record
Sibling
Russell James
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Printer James
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audrey James
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry James
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence James
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie James
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edgar James
Sibling · 1940 · age 9
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 — Mason-County, Michigan
Open full size
1940 US Federal Census — Mason-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01788-00440)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Standly Morton | 70 | Head | Farmer | Michigan |
| 42 | Luella Morton | 57 | Wife | — | Michigan |
| 43 | Elwyn Morton | 15 | Son | — | Michigan |
| 44 | Lemayne Morton | 4 | Son | — | Michigan |
| 45 | Fred Wright | 47 | Head | Farmer | Michigan |
| 46 | Mae Wright | 45 | Wife | — | Michigan |
| 47 | Louis Wright | 21 | Son | Farm Laborer | Michigan |
| 48 | Ira Wright | 19 | Son | Farm Laborer | Michigan |
| 49 | Ronald Wright | 12 | Son | — | Michigan |
| 50 | Jean Wright | 10 | Daughter | — | Michigan |
| 51 | Burdell Wright | 7 | Son | — | Michigan |
| 52 | Marylou Wright | 4 | Daughter | — | Michigan |
| 53 | Ray James | 42 | Head | Shoveling | Missouri |
| 54 | Marie James | 37 | Wife | — | Ohio |
| 55 | Russell James | 16 | Son | Farm Laborer | Michigan |
| 56 | Henry James | 15 | Son | Farm Laborer | Michigan |
| 57 | Mary James THIS PERSON | 12 | Daughter | — | Michigan |
| 58 | Printer James | 10 | Daughter | — | Michigan |
| 59 | Edgar James | 9 | Son | — | Michigan |
| 60 | Clarence James | 7 | Son | — | Michigan |
| 61 | Willie James | 5 | Daughter | — | Michigan |
| 62 | Audrey James | 3 | Daughter | — | Michigan |
| 63 | Oliver Hixon | 27 | Head | Farm Laborer | Arkansas |
| 64 | Ida May Hixon | 23 | Wife | — | Indiana |
| 65 | James R Hixon | 4 | Son | — | Michigan |
| 66 | Virginia Hixon | 2 | Daughter | — | Michigan |
| 67 | Mildred Hixon | 1 | Daughter | — | Michigan |
| 68 | James Mcdonald | 66 | Head | Farmer | Michigan |
| 69 | Grace Mcdonald | 57 | Wife | — | Michigan |
| 70 | Marion Dawson | 52 | Head | Farmer | Illinois |
| 71 | Lillian Dawson | 47 | Wife | — | Michigan |
| 72 | Harard Dawson | 22 | Son | Farm Laborer | Michigan |
| 73 | Riley Yaple | 46 | Head | Farmer | Michigan |
| 74 | Bessie Yaple | 46 | Wife | — | Michigan |
| 75 | Clarence Yaple | 25 | Son | Farm Laborer | Michigan |
| 76 | Janet Yaple | 15 | Daughter | School | Michigan |
| 77 | Arthur Cutler | 53 | Head | Farmer | Michigan |
| 78 | Emma Cutler | 53 | Wife | — | Michigan |
| 79 | Lois Cutler | 20 | Daughter | Operator | Michigan |
| 80 | Arline Cutler | 18 | Daughter | Student | Michigan |
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)