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Mary Morris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · King-County, Washington
Our Model Tree links this Mary Morris across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 5-person household.
Age 43
b. ~1897
Female
Spouse
Born: Montana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Morris |
| Given Name | Mary R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1897 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Morris | Daughter | — | 6 | ~1934 |
| Eleanor Morris | Daughter | — | 16 | ~1924 |
| Samuel Morris | Head | — | 53 | ~1887 |
| George Morris | Son | — | 20 | ~1920 |
| Mary Morris | Spouse | — | 43 | ~1897 |
Census Appearances
1920
King, Washington
Spouse, age 22
King, Washington · implied b. ~1898 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morris |
| Given Name | Mary J. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Montana |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
King, Washington
Spouse, age 33
King, Washington · implied b. ~1897 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morris |
| Given Name | Mary T. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Montana |
| Age at First Marriage | 16 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
King-County, Washington
Spouse, age 43
King-County, Washington · implied b. ~1897 — 5 household members
| Surname | Morris |
| Given Name | Mary R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Morris across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Morris
Spouse · 1940 · age 43 · b. ~1897 · Washington
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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
38 people indexed on this census page (nara:1940:m-t0627-04382-00090)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carl R. Peterson | 55 | Head | Longshoreman | Norway |
| 42 | Jennie Peterson | 53 | Wife | Binder | Colorado |
| 43 | Raymond Cortes | 20 | Wife's son | New Worker | Washington |
| 44 | Roy Gaskill | 24 | Head | Hod Carrier | Washington |
| 45 | Edith R. Gaskill | 24 | Wife | — | Washington |
| 46 | Samuel Morris | 53 | Head | Laborer | Yugoslavia |
| 47 | Mary R. Morris THIS PERSON | 43 | Wife | — | Montana |
| 48 | George Morris | 20 | Son | Riveter | Washington |
| 49 | Eleanor Morris | 16 | Daughter | — | Washington |
| 50 | Dorothy Morris | 6 | Daughter | — | Washington |
| 52 | Dimitra Sagenoff | 57 | Head | Upholsterer | Russia |
| 53 | Mary R. Sagenoff | 56 | Wife | Upholsterer Helper | Russia |
| 54 | Fay Navarre | 37 | Head | Bus Mechanic | Oklahoma |
| 55 | Carmen R. Navarre | 42 | Wife | — | Minnesota |
| 56 | Lewis Navarre | 6 | Son | — | Washington |
| 57 | Mitchell Navarre | 4 | Son | — | Washington |
| 58 | Gertrude Thoms | 18 | Daughter | New Worker | Minnesota |
| 59 | Charles Ellis | 39 | Head | Carpenter | Massachusetts |
| 60 | Maybell R. Ellis | 52 | Wife | — | Montana |
| 62 | Caroline R. Lerlau | 51 | Head | — | Norway |
| 63 | Frank Lerlau | 19 | Son | New Worker | Illinois |
| 64 | Rosella Lerlau | 16 | Daughter | — | Illinois |
| 65 | Jacob P. Mogensen | 67 | Head | — | Denmark |
| 66 | Carrie R. Mogensen | 62 | Wife | — | Denmark |
| 67 | Edward Mogensen | 19 | Son | New Worker | Washington |
| 68 | James Mertzig | 62 | Head | Steel Worker | Luxemburg |
| 69 | Margaret R. Mertzig | 47 | Wife | — | Arkansas |
| 70 | John Vincent | 25 | Son | Mechanic | Washington |
| 71 | Hazel Zamzow | 21 | Daughter | — | Washington |
| 72 | James J. Peers | 57 | Head | Boiler Maker | Wyoming |
| 73 | Annie M. R. Peers | 52 | Wife | — | Montana |
| 74 | Wilfred R. Wood | 65 | Head | — | England |
| 75 | Clara L. R. Wood | 49 | Wife | Stenographer | Minnesota |
| 76 | Wallace R. Wood | 15 | Son | — | Oregon |
| 77 | Josephine Seger | 51 | Head | — | Kentucky |
| 78 | Kenneth Seger | 18 | Son | Doorman | Washington |
| 79 | Leboyd Babcock | 26 | Head | Truck Driver | Washington |
| 80 | Musette Babcock | 22 | Wife | — | 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)