Walter Mason — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · King-County, Washington

Our Model Tree links this Walter Mason across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 4-person household.

Age 53 b. ~1887 Male Head Born: New York Married

1940 Census Record Details

Census Year	1940
Location	King-County, Washington
Surname	Mason
Given Name	Walter
Relationship to Head	Head
Sex	M
Color / Race	White
Age	53
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Seattle City
1935 Residence (County)	King
Additional Details
Occupation	Operator
Industry	Telegraph
Class of Worker	PW
Hours Worked	40
Income (1939)	2405
Highest Grade	H-4
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Occupation	Operator
Township / Ward	Seattle City
Est. Birth Year	~1887

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 Walter	Age	Birth yr
Mary Mason	Spouse	—	46	~1894
Walter Mason	Head	—	53	~1887
Wayne Mason	Son	—	20	~1920
Edwin Mason	Son	—	18	~1922

Census Appearances

1920

King, Washington

Head, age 33

King, Washington · implied b. ~1887 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mason
Given Name	Walter G
Relationship to Head	Head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	New York
Father's Birthplace	Illinois
Mother's Birthplace	Ohio
Occupation	Operator
Industry	Telegraph Co
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	O
Home Free/Mortgaged	M
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

King, Washington

Head, age 43

King, Washington · implied b. ~1887 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mason
Given Name	Walter L.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	43
Marital Status	Married
Birthplace	New York
Age at First Marriage	30
Father's Birthplace	New York
Mother's Birthplace	New York
Occupation	Operator
Industry	Telegraph
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	6400
Veteran	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

King-County, Washington

Head, age 53

King-County, Washington · implied b. ~1887 — 4 household members

Surname	Mason
Given Name	Walter
Relationship to Head	Head
Sex	M
Color / Race	White
Age	53
Marital Status	Married
Birthplace	New York
1935 Residence (City)	Seattle City
1935 Residence (County)	King
Occupation	Operator
Industry	Telegraph
Class of Worker	PW
Hours Worked	40
Income (1939)	2405
Highest Grade	H-4
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links Walter Mason across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Walter Mason

Head · 1940 · age 53 · b. ~1887 · 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

Page Contents

35 people indexed on this census page (nara:1940:m-t0627-04381-00316)

Line	Name	Age	Relation	Occupation	Birthplace
1	Charlotte Oliver	41	Head	—	Wash.
2	Kay Oliver	22	Daughter	Beautician	Wash.
3	Idye York	47	Head	—	Missouri
8	Theodore Evans	55	Head	—	Russia
9	Margaret Evans	54	Wife	Seamstress	Russia
10	Ballentine Lapina	57	Head	—	Russia
11	George Lapina	21	Son	Laborer	Russia
12	Elmer Haveram	33	Head	Truck Driver	Wisc.
13	Mabel Haveram	31	Wife	—	Wash.
14	Joyce Haveram	9	Daughter	—	Wash.
15	Donald Haveram	7	Son	—	Wash.
16	Edward Sullivan	68	Head	Broker	New York
17	Rose Marsh	69	Sister	—	Iowa
19	Dexter Lundquist	33	Head	Salesman	Wash.
20	Orah Lundquist	29	Wife	—	Wash.
21	Charles Phrenius	62	Head	Ship Rigger	Sweden
22	Mary Phrenius	61	Wife	—	Sweden
23	Cora Blair	64	Head	—	Nebraska
24	Frances Carroll	35	Daughter	—	Nebraska
25	Nils Carroll	4	Son	—	Alaska
26	John Converse	35	Head	Salesman	Wash.
27	Margaret Converse	32	Wife	Engineer	Eng. Canada
28	Marjorie Converse	7	Daughter	—	Wash.
29	Catherine Converse	3	Daughter	—	Wash.
30	Neil Killingsworth	28	Head	Driver	Wash.
31	Adeline Killingsworth	26	Wife	—	Wash.
32	George Leader	36	Head	Salesman	Eng. Canada
33	Alice Leader	32	Wife	—	Minn.
34	Albert Leader	14	Son	—	Wash.
35	Ruth Leader	12	Daughter	—	Wash.
36	Donald Leader	10	Son	—	Wash.
37	Walter Mason THIS PERSON	53	Head	Operator	New York
38	Mary Mason	46	Wife	—	Wash.
39	Wayne Mason	20	Son	—	Wash.
40	Edwin Mason	18	Son	—	Wash.

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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)

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