James Dunn — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · King-County, Washington

Our Model Tree links this James Dunn across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1905), then head of a 4-person household.

Age 35 b. ~1905 Male Head Born: Montana Married

1940 Census Record Details

Census Year	1940
Location	King-County, Washington
Surname	Dunn
Given Name	James R
Relationship to Head	Head
Sex	M
Color / Race	White
Age	35
Marital Status	Married
Birthplace	Montana
1935 Residence (City)	Seattle
1935 Residence (County)	King
Additional Details
Occupation	Professor
Industry	College Dept.
Class of Worker	PW
Hours Worked	30
Highest Grade	C-4
1935 Residence	Washington
Birth State	Montana
Birth Country	United States
Birthplace (normalized)	montana
Occupation	Professor
Township / Ward	Unincorporated Place Part Of
Est. Birth Year	~1905

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 James	Age	Birth yr
Mary Dunn	Daughter	—	10	~1930
Nancy Dunn	Daughter	—	5	~1935
James Dunn	Head	—	35	~1905
Marguerite Dunn	Spouse	—	36	~1904

Census Appearances

1920

King, Washington

Other, age 17

King, Washington · implied b. ~1903 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Dunn
Given Name	Joseph
Relationship to Head	nephew
Sex	M
Color / Race	White
Age	17
Marital Status	Single
Birthplace	Montana
Father's Birthplace	England
Mother's Birthplace	Illinois
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Montana
Birth Country	United States
Birthplace (normalized)	montana

1930

King, Washington

Head, age 28

King, Washington · implied b. ~1902 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Dunn
Given Name	James G.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Montana
Age at First Marriage	24
Father's Birthplace	Illinois
Mother's Birthplace	Illinois
Occupation	Teacher
Industry	Public School
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	35.
Radio Set	R
Veteran	No
Birth State	Montana
Birth Country	United States
Birthplace (normalized)	montana

1940

King-County, Washington

Head, age 35

King-County, Washington · implied b. ~1905 — 4 household members

Surname	Dunn
Given Name	James R
Relationship to Head	Head
Sex	M
Color / Race	White
Age	35
Marital Status	Married
Birthplace	Montana
1935 Residence (City)	Seattle
1935 Residence (County)	King
Occupation	Professor
Industry	College Dept.
Class of Worker	PW
Hours Worked	30
Highest Grade	C-4
1935 Residence	Washington
Birth State	Montana
Birth Country	United States
Birthplace (normalized)	montana

Model Tree

Linked across censuses

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

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This person

Anchor record

James Dunn

Head · 1940 · age 35 · b. ~1905 · 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

40 people indexed on this census page (nara:1940:m-t0627-04346-00245)

Line	Name	Age	Relation	Occupation	Birthplace
1	Stephen A Billings	43	Head	Manager	Connecticut
2	Amelia Billings	42	Wife	—	S. Dakota
3	Stephen Jr Billings	10	Son	—	Washington
4	Gloria Billings	8	Daughter	—	Washington
5	Felix Mechelke	49	Head	—	Wisconsin
6	Pearl Mechelke	49	Wife	—	Oregon
7	James R Dunn THIS PERSON	35	Head	Professor	Montana
8	Marguerite Dunn	36	Wife	Principal	Washington
9	Mary Lou Dunn	10	Daughter	—	Washington
10	Nancy Dunn	5	Daughter	—	Washington
11	Harvey H Manning	34	Head	Newer	Mass
12	Kathleen Manning	33	Wife	—	S. Dakota
13	Harvey Jr Manning	14	Son	—	Washington
14	William Atkins	29	Head	Salesman	Washington
15	Alice Atkins	26	Wife	—	Montana
16	Arlene Atkins	5	Daughter	—	Washington
17	William Jr Atkins	4	Son	—	Washington
18	William S Guest	30	Head	Operator	Kansas
19	Ann Guest	29	Wife	—	Montana
20	Virginia Guest	1	Daughter	—	Washington
21	Lacey B Noyle	45	Head	General Work	California
22	Helen Noyle	38	Wife	—	Washington
23	Frank Noyle	19	Son	Painter	California
24	John J Murray	50	Head	Repair Man	Pennsylvania
25	Marion Murray	50	Wife	—	Minnesota
26	Richard Murray	20	Son	Repair Man	Washington
27	Jean Murray	13	Daughter	—	Washington
28	Thomas Carroll	39	Head	Truck Driver	Washington
29	Elva Carroll	34	Wife	—	Washington
30	Phyllis Carroll	10	Daughter	—	Washington
31	Willis Cuthbertson	44	Head	Bookkeeper	Washington
32	Juanita Cuthbertson	26	Wife	—	California
33	Paulette Cuthbertson	3	Daughter	—	Washington
34	Arnold Mechelke	34	Head	40	N. Dakota
35	Jane Mechelke	28	Wife	—	Washington
36	Richard Mechelke	10	Son	—	Washington
37	Delores Mechelke	1	Daughter	—	Washington
38	Richard Mcstott	24	Son-in-law	40	Washington
39	George W Maxwell	64	Head	—	Michigan
40	Addie Maxwell	56	Wife	—	Missouri

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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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