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Mary Tobin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · King-County, Washington
Our Model Tree links this Mary Tobin across the 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 6-person household.
Age 65
b. ~1875
Female
Head
Born: Michigan
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Tobin |
| Given Name | Mary Ellen |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Michigan |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Class of Worker | 9 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1875 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Tobin | Son | — | 36 | ~1904 |
| Donald Tobin | Son | — | 26 | ~1914 |
| Harold Tobin | Son | — | 26 | ~1914 |
| Mary Tobin | Head | — | 65 | ~1875 |
| Katherine Tobin | Daughter | — | 32 | ~1908 |
| Joseph Tobin | Son | — | 31 | ~1909 |
Census Appearances
1930
King, Washington
Other, age 55
King, Washington · implied b. ~1875 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tobin |
| Given Name | Mary E. |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | Michigan |
| Age at First Marriage | 23 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Michigan |
| Occupation | Helper |
| Industry | Lunch Room |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Radio Set | R |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
King-County, Washington
Head, age 65
King-County, Washington · implied b. ~1875 — 6 household members
| Surname | Tobin |
| Given Name | Mary Ellen |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Michigan |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Class of Worker | 9 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 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 Mary Tobin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Tobin
Head · 1940 · age 65 · b. ~1875 · Washington
★ You are viewing this record
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-t0627-04378-01000)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Eastern | 8 | Son | — | California |
| 2 | Stanley Eastern | 5 | Son | — | Washington |
| 3 | Samuel Eastern | 1 | Son | — | Washington |
| 4 | Alfred M. Ross | 70 | Head | — | Pennsylvania |
| 5 | Ursula F. Vander | 42 | Head | Proprietor | North Dakota |
| 6 | Sadie Vander | 48 | Wife | — | Kentucky |
| 7 | Edwin M. Hood | 19 | Nephew | — | Washington |
| 8 | Harry Alahadeff | 53 | Head | Foreman | Italy |
| 9 | Ora Alahadeff | 43 | Wife | — | Turkey |
| 10 | Jack Alahadeff | 24 | Son | Salesman | Washington |
| 11 | Morris Alahadeff | 18 | Son | — | Washington |
| 12 | Paul Thur | 37 | Head | Brewery Worker | Germany |
| 13 | Josephine Thur | 44 | Wife | — | Austria |
| 14 | Franklyn A. Thur | 6 | Son | — | Washington |
| 15 | Marion L. Thur | 5 | Daughter | — | Washington |
| 16 | Paul Lindberg | 54 | Head | Lumber Grader | Sweden |
| 17 | Minnie Lindberg | 60 | Wife | — | Sweden |
| 18 | Sam Capeloto | 42 | Head | Proprietor | Italy |
| 19 | Mary Capeloto | 35 | Wife | — | Italy |
| 20 | Joseph Capeloto | 11 | Son | — | Washington |
| 21 | Julia Capeloto | 7 | Daughter | — | Washington |
| 22 | Rochelle Capeloto | 2 | Daughter | — | Washington |
| 23 | Mary Ellen Tobin THIS PERSON | 65 | Head | — | Michigan |
| 24 | John Tobin | 36 | Son | Dishwasher | Michigan |
| 25 | Katherine Tobin | 32 | Daughter | Stenographer | Washington |
| 26 | Joseph Tobin | 31 | Son | Stock Clerk | Washington |
| 27 | Donald Tobin | 26 | Son | Blue Print Clerk | Washington |
| 28 | Harold Tobin | 26 | Son | Machine Operator | Washington |
| 29 | Albert W. Kiefer | 65 | Head | Box Maker | Missouri |
| 30 | Sophie Kiefer | 61 | Wife | — | Switzerland |
| 31 | Sam Baruch | 44 | Head | Partner Proprietor | Turkey |
| 32 | Dena Baruch | 39 | Wife | — | Turkey |
| 33 | Selma Baruch | 18 | Daughter | — | Washington |
| 34 | Isaac Baruch | 14 | Son | — | Washington |
| 35 | Bertha B. Mace | 27 | Head | Emblem Maker | California |
| 36 | Mildred Hale | 46 | Mother | — | Missouri |
| 37 | Linda Black Hale | 4 | Daughter | — | Washington |
| 38 | Max Sidell | 38 | Head | Proprietor Manager | Russia |
| 39 | Tessie Sidell | 36 | Wife | — | Pennsylvania |
| 40 | David Sidell | 17 | 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)