Frank Hamilton — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · King-County, Washington

Our Model Tree links this Frank Hamilton across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 4-person household.

Age 74 b. ~1866 Male Head Born: New York Married

1940 Census Record Details

Census Year	1940
Location	King-County, Washington
Surname	Hamilton
Given Name	Frank
Relationship to Head	Head
Sex	M
Color / Race	White
Age	74
Marital Status	Married
Birthplace	New York
1935 Residence (City)	R
1935 Residence (County)	Jefferson
Additional Details
Income (1939)	0
Highest Grade	8
1935 Residence	Washington
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	Seattle City
Est. Birth Year	~1866

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 Frank	Age	Birth yr
Frank Hamilton	Head	—	74	~1866
Mae Hamilton	Other	—	24	~1916
Donald Hamilton	Son	—	32	~1908
Delia Hamilton	Spouse	—	62	~1878

Census Appearances

1920

King, Washington

Head, age 52

King, Washington · implied b. ~1868 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hamilton
Given Name	Frank L
Relationship to Head	Head
Sex	M
Color / Race	White
Age	52
Marital Status	Married
Birthplace	New York
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Foreman
Industry	Health & Sanitation Dept
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
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 64

King, Washington · implied b. ~1866 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hamilton
Given Name	Frank
Relationship to Head	Head
Sex	M
Color / Race	White
Age	64
Marital Status	Married
Birthplace	New York
Age at First Marriage	40
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Foreman
Industry	Sanitary Dept
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	5000
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

King-County, Washington

Head, age 74

King-County, Washington · implied b. ~1866 — 4 household members

Surname	Hamilton
Given Name	Frank
Relationship to Head	Head
Sex	M
Color / Race	White
Age	74
Marital Status	Married
Birthplace	New York
1935 Residence (City)	R
1935 Residence (County)	Jefferson
Income (1939)	0
Highest Grade	8
1935 Residence	Washington
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

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

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This person

Anchor record

Frank Hamilton

Head · 1940 · age 74 · b. ~1866 · 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

37 people indexed on this census page (nara:1940:m-t0627-04375-00007)

Line	Name	Age	Relation	Occupation	Birthplace
41	Charles Simonds	18	Step Son	—	Washington
44	Percy Sands	39	Head	Baker	Washington
45	Edna T. Sands	32	Wife	—	Missouri
46	Paul F. Sands	5	Son	—	Washington
47	Sharon J. Sands	2	Daughter	—	Washington
48	Nannie Long	61	Head	—	Missouri
49	Joseph T. Long	26	Son	—	Washington
50	George L. Long	23	Son	Clerk	Washington
51	Alfred Dahl	41	Head	State Auditor	Norway
52	Opal Dahl	35	Wife	—	South Dakota
53	Nancy Ann Dahl	9	Daughter	—	Washington
54	Wm. Boynton	50	Head	Investigator	Massachusetts
55	Clara P. Boynton	49	Wife	—	Washington
56	Lenora Holland	57	Head	—	Missouri
57	Oscar Bones	27	Grandson	Order Clerk	Washington
58	Arthur M. Kneadler	50	Head	—	Washington
59	Jeanne Kneadler	20	Daughter	Saleswoman	Washington
60	Norman Kirsop	24	Head	Painter	Washington
61	Marian Kirsop	23	Wife	—	Washington
62	Walter A. Green	49	Head	Bell Porter	Minnesota
63	Isabelle Green	48	Wife	—	England
64	Margaret Green	23	Daughter	Telegraph Operator	Washington
65	Leonard Bushnell	23	Lodger	Mid Cutter	Iowa
66	Edward Wickstrom	44	Head	Bell Porter	California
67	Martha Dexter	42	Sister	—	California
69	John Heilmeier	64	Head	—	Austria
70	Ida Heilmeier	63	Wife	—	Kentucky
71	Frank Hamilton THIS PERSON	74	Head	—	New York
72	Delia Hamilton	62	Wife	—	Ireland
73	Donald Hamilton	32	Son	Salesman	Washington
74	Mae Hamilton	24	Daughter-in-law	Receptionist	New Brunswick
75	Agnes Thompson	52	Head	—	Scotland
76	Edith Thompson	13	Daughter	—	Washington
77	Jack Norland	51	Head	Street R.R.	Norway
78	Eric Dahl	35	Lodger	Fisherman	Norway
79	Anton Norland	26	Lodger	Fisherman	Norway
80	Casper Andvick	41	Lodger	Fisherman	Norway

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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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