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Mary Boyle — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Stevens-County, Washington
Our Model Tree links this Mary Boyle across the 1930 and 1940 US Censuses in Stevens-County, Washington (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 8-person household.
Age 11
b. ~1929
Female
Daughter
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Stevens-County, Washington |
| Surname | Boyle |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Fruitland Election Precinct |
| 1935 Residence (County) | Stevens |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same House |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Fruitland Election Precinct |
| Est. Birth Year | ~1929 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Boyle | Daughter | — | 11 | ~1929 |
| Alice Boyle | Daughter | — | 8 | ~1932 |
| Allie Boyle | Daughter | — | 8 | ~1932 |
| Ethel Boyle | Daughter | — | 13 | ~1927 |
| Catherine Boyle | Daughter | — | 16 | ~1924 |
| Rose Boyle | Daughter | — | 15 | ~1925 |
| James Boyle | Head | — | 68 | ~1872 |
| Elma Boyle | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Stevens, Washington
Daughter, age 1
Stevens, Washington · implied b. ~1929 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyles |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Minnesota |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Stevens-County, Washington
Daughter, age 11
Stevens-County, Washington · implied b. ~1929 — 8 household members
| Surname | Boyle |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Fruitland Election Precinct |
| 1935 Residence (County) | Stevens |
| Highest Grade | 4 |
| 1935 Residence | Same House |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Boyle across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Boyle
Daughter · 1940 · age 11 · b. ~1929 · Washington
★ You are viewing this record
Sibling
Ethel Boyle
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Boyle
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allie Boyle
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Boyle
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Boyle
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 — Stevens-County, Washington
Open full size
1940 US Federal Census — Stevens-County, Washington
Page Contents
29 people indexed on this census page (nara:1940:m-t0627-04364-00366)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Mclean | 78 | Head | Farmer | Canada |
| 2 | Permillia Mclean | 73 | Wife | — | California |
| 3 | Leigh Mclean | 33 | Son | Farmer | Washington |
| 4 | Ellen Mclean | 21 | Daughter | — | Washington |
| 5 | John D. Cooper | 44 | Head | Laborer | Virginia |
| 6 | Mettie Cooper | 25 | Wife | — | Washington |
| 7 | Donald David Cooper | 12 | Son | — | Washington |
| 8 | Mike Kautz | 70 | Head | Farmer | Pennsylvania |
| 9 | Elizabeth Kautz | 65 | Wife | — | Oregon |
| 10 | John Mckinnon | 16 | Lodger | Labor | Wisconsin |
| 11 | William Jones | 60 | Head | Laborer | Illinois |
| 12 | Anna Jones | 53 | Wife | — | Canada |
| 13 | James A. Stahl | 36 | Head | Farmer | Washington |
| 14 | Mildred Stahl | 36 | Wife | — | Washington |
| 15 | John Donald Stahl | 9 | Son | — | Washington |
| 16 | Verna Stahl | 7 | Daughter | — | Washington |
| 17 | Ben Dunkel | 39 | Hired Hand | Laborer | Illinois |
| 18 | James D. Boyle | 68 | Head | Farmer | Canada |
| 19 | Elma Mary Boyle | 50 | Wife | — | Minnesota |
| 20 | Catherine Boyle | 16 | Daughter | — | Washington |
| 21 | Rose Boyle | 15 | Daughter | — | Washington |
| 22 | Ethel Boyle | 13 | Daughter | — | Washington |
| 23 | Mary Boyle THIS PERSON | 11 | Daughter | — | Washington |
| 24 | Alice Boyle | 8 | Daughter | — | Washington |
| 25 | Allie Boyle | 8 | Daughter | — | Washington |
| 26 | Mary Kautz | 25 | Head | — | Oregon |
| 27 | Michael Kautz | 7 | Son | — | Oregon |
| 28 | Berta Kautz | 3 | Son | — | Washington |
| 29 | Michael Kautz | 1 | Son | — | Washington |
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)