MC
Mary Carey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · King-County, Washington
Our Model Tree links this Mary Carey across the 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Female
Daughter
Born: Washington
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Carey |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1923 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Carey | Daughter | — | 17 | ~1923 |
| Margaret Carey | Daughter | — | 11 | ~1929 |
| Monica Carey | Daughter | — | 10 | ~1930 |
| Edward Carey | Head | — | 48 | ~1892 |
| Edward Baldwin | Other | — | 86 | ~1854 |
| Edmund Carey | Son | — | 16 | ~1924 |
| Mary Carey | Spouse | — | 44 | ~1896 |
Census Appearances
1930
King, Washington
Daughter, age 7
King, Washington · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carey |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Washington |
| Mother's Birthplace | Washington |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Daughter, age 17
King-County, Washington · implied b. ~1923 — 7 household members
| Surname | Carey |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Carey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Carey
Daughter · 1940 · age 17 · b. ~1923 · Washington
★ You are viewing this record
Sibling
Edmund Carey
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Carey
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Monica Carey
Sibling · 1940 · age 10
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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04374-00872)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth Compton | 39 | Head | Press Feeder | Kentucky |
| 2 | John T. Sand | 79 | Head | — | Norway |
| 3 | David Horton | 28 | Head | Proprietor | Washington |
| 4 | Maybelle Horton | 23 | Wife | — | Illinois |
| 5 | Mary Horton | 3 | Daughter | — | Illinois |
| 6 | Charles Magee | 26 | Head | Driver | Washington |
| 7 | Helen Magee | 26 | Wife | — | North Dakota |
| 8 | Jack Magee | 6 | Son | — | Washington |
| 9 | Garnett Edwards | 47 | Head | Baggage Agent | Missouri |
| 10 | Ellen Edwards | 71 | Mother | — | Missouri |
| 11 | Maurice Medcalf | 24 | Head | Owner | England |
| 12 | Berent Reiners | 55 | Head | Operator | Germany |
| 13 | Mary Reiners | 50 | Wife | — | Romania |
| 14 | Marie Anderson | 38 | Head | Private Home Nursing | Idaho |
| 15 | Barbara Wilson | 54 | Head | Machine Operator | Scotland |
| 16 | John M. Wilson | 27 | Son | Clerk | Pennsylvania |
| 17 | Clint L. Butcher | 49 | Head | Atty | Indiana |
| 18 | Ada J. Butcher | 49 | Wife | — | Wisconsin |
| 19 | Helen B. Butcher | 23 | Daughter | — | Washington |
| 20 | Wesley H. Heagy | 55 | Head | Truck Driver | Minnesota |
| 21 | Isabelle Heagy | 55 | Wife | — | Minnesota |
| 22 | Lois M. Heagy | 18 | Daughter | Fountain Clerk | Washington |
| 23 | Jerry E. Heagy | 15 | Daughter | — | Washington |
| 24 | Kathryn Heagy | 10 | Daughter | — | Washington |
| 25 | Ida Beck | 20 | Head | — | Iowa |
| 26 | Oliver O. Hilstad | 62 | Head | Mender | Norway |
| 27 | Mary E. Todd | 74 | Head | — | Kansas |
| 28 | George T. Walters | 32 | Head | Clerk | Washington |
| 29 | Mabel Walters | 26 | Wife | — | Wisconsin |
| 30 | Marie Klint | 49 | Head | Driver | Minnesota |
| 31 | Walter Klint | 21 | Son | Salesman | Oregon |
| 32 | Edward V. Carey | 48 | Head | Clerk | Washington |
| 33 | Mary E. Carey | 44 | Wife | — | Washington |
| 34 | Mary E. Carey THIS PERSON | 17 | Daughter | — | Washington |
| 35 | Edmund Carey | 16 | Son | — | Washington |
| 36 | Margaret A. Carey | 11 | Daughter | — | Washington |
| 37 | Monica B. Carey | 10 | Daughter | — | Washington |
| 38 | Edward Baldwin | 86 | Father | — | Ohio |
| 39 | Wallace N. Hall | 27 | Head | Warehouseman | Washington |
| 40 | Jeanne L. Hall | 25 | Wife | Sales Girl | Idaho |
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)