WM
William Morrison — 1940 US Census Record
Linked across censuses1940 United States Federal Census · King-County, Washington
Our Model Tree links this William Morrison across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 4-person household.
Age 62
b. ~1878
Male
Head
Born: Oregon
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Morrison |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1878 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Morrison | Head | — | 62 | ~1878 |
| Harland Morrison | Son | — | 20 | ~1920 |
| Jean Morrison | Son | — | 32 | ~1908 |
| Katherine Morrison | Spouse | — | 53 | ~1887 |
Census Appearances
1920
King, Washington
Head, age 40
King, Washington · implied b. ~1880 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morrison |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Oregon |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Iowa |
| Occupation | Logger |
| Industry | Logging Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
King, Washington
Head, age 51
King, Washington · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morrison |
| Given Name | William D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Oregon |
| Age at First Marriage | 22 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Iowa |
| Occupation | Blacksmith |
| Industry | Fort Lawton |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3300 |
| Radio Set | R |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
King-County, Washington
Head, age 62
King-County, Washington · implied b. ~1878 — 4 household members
| Surname | Morrison |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 William Morrison across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Morrison
Head · 1940 · age 62 · b. ~1878 · 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
39 people indexed on this census page (nara:1940:m-t0627-04377-00095)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Otto E. Rising | 70 | Head | Instructor | Michigan |
| 42 | Elizabeth Rising | 69 | Wife | — | Michigan |
| 43 | Ralph Anderson | 47 | Head | Fireman | No. Dakota |
| 44 | Junie R. Anderson | 39 | Wife | — | Montana |
| 45 | Robert Anderson | 16 | Son | — | Washington |
| 46 | Ralph Jr. Anderson | 5 | Son | Paper Carrier | Washington |
| 47 | John Anderson | 11 | Son | — | Washington |
| 48 | Lillian Richardson | 66 | Mother-in-law | — | Montana |
| 49 | William Richardson | 25 | Brother-in-law | Stenographer | Montana |
| 50 | James H. Muir | 43 | Head | Baker | Missouri |
| 51 | Cora P. Muir | 51 | Wife | Waitress | Washington |
| 52 | James Jr. Muir | 9 | Son | — | Washington |
| 53 | David Gervais | 31 | Step-son | Truck Driver | Washington |
| 54 | Michael Polzun | 50 | Head | Barber | Lithuania |
| 55 | Elaine Polzun | 44 | Wife | — | Washington |
| 57 | Arnell Olson | 52 | Head | Carpenter | Minnesota |
| 58 | Sara J. Olson | 49 | Wife | — | Massachusetts |
| 59 | Kenneth Olson | 14 | Son | — | Minnesota |
| 60 | Robert T. Olson | 10 | Son | — | Washington |
| 61 | William Morrison THIS PERSON | 62 | Head | — | Oregon |
| 62 | Katherine Morrison | 53 | Wife | — | Indiana |
| 63 | Harland Morrison | 20 | Son | Blue Print Operator | Washington |
| 64 | Jean Morrison | 32 | Son | — | Washington |
| 65 | Charles Lindgreen | 58 | Head | — | Denmark |
| 66 | Olie Hegre | 49 | Head | Laborer | Minnesota |
| 67 | Clara Hegre | 46 | Wife | — | No. Dakota |
| 68 | Arthur Hegre | 15 | Son | — | Montana |
| 69 | William Trulnes | 28 | Head | Fisherman | Washington |
| 70 | Helen Trulnes | 30 | Wife | — | Washington |
| 71 | Geraldine Trulnes | 2 | Daughter | — | Washington |
| 72 | Gust Pederson | 60 | Head | Bridge Man | Wisconsin |
| 73 | Alice Pederson | 44 | Wife | — | Wisconsin |
| 74 | Ann Pederson | 24 | Daughter | Clerk | Washington |
| 75 | Mary Pederson | 22 | Daughter | Laborer | Washington |
| 76 | John Pederson | 19 | Son | Paper Carrier | Washington |
| 77 | Harry Pederson | 17 | Son | — | Washington |
| 78 | Catherine Pederson | 16 | Daughter | — | Washington |
| 79 | May Pederson | 14 | Daughter | — | Washington |
| 80 | Norman Pederson | 12 | 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)