John Hendrickson — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Cowlitz, Washington

Our Model Tree links this John Hendrickson across the 1910, 1920 and 1930 US Censuses in Cowlitz, Washington (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 6-person household.

Age 45 b. ~1885 Male Head Born: Finland Married

1930 Census Record Details

Census Year	1930
Location	Cowlitz, Washington
Surname	Hendrickson
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Finland
Naturalization Status	Naturalized
Year of Immigration	1903
Age at First Marriage	25
Father's Birthplace	Finland
Mother's Birthplace	Finland
Additional Details
Occupation	Logger
Industry	Lumber camp
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	Finnish
Home Owned/Rented	R
Birth Country	Finland
Birthplace (normalized)	finland
Occupation	Logger
Township / Ward	Coal Creek Precinct
Est. Birth Year	~1885

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.

6 people recorded at the same address in the 1930 census.

Name	Relation to head	Relative to John	Age	Birth yr
Arthur Hendrickson	Son	—	14	~1916
John Hendrickson	Son	—	18	~1912
Ellen Hendrickson	Daughter	—	16	~1914
Hilda Hendrickson	Spouse	—	42	~1888
Elmer Hendrickson	Son	—	12	~1918
John Hendrickson	Head	—	45	~1885

Census Appearances

1910

Mason, Washington

Other, age 21

Mason, Washington · implied b. ~1889 — 50 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hendrickson
Given Name	John
Sex	M
Color / Race	White
Age	21
Marital Status	Single
Birthplace	Finland
Years Married	1907
Children Born	Al
Father's Birthplace	Finland
Mother's Birthplace	Finland
Occupation	Woodsman
Industry	Logging
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth Country	Finland
Birthplace (normalized)	finland

1920

Mason, Washington

Other, age 35

Mason, Washington · implied b. ~1885 — 13 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hendrickson
Given Name	John
Sex	M
Color / Race	White
Age	35
Marital Status	Single
Birthplace	Finland
Year of Immigration	1907
Naturalization Status	Alien
Father's Birthplace	Finland
Mother's Birthplace	Finland
Occupation	logger
Industry	logging camp
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Finnish
Birth Country	Finland
Birthplace (normalized)	finland

1930

Cowlitz, Washington

Head, age 45

Cowlitz, Washington · implied b. ~1885 — 6 household members

Surname	Hendrickson
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Finland
Naturalization Status	Naturalized
Year of Immigration	1903
Age at First Marriage	25
Father's Birthplace	Finland
Mother's Birthplace	Finland
Occupation	Logger
Industry	Lumber camp
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	Finnish
Home Owned/Rented	R
Birth Country	Finland
Birthplace (normalized)	finland

Model Tree

Linked across censuses

Our Model Tree links John Hendrickson across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

John Hendrickson

Head · 1930 · age 45 · b. ~1885 · Washington

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1930 US Federal Census — Cowlitz, Washington Open full size

Page Contents

50 people indexed on this census page (ia:1930:15thcensus2487unit:0290)

Line	Name	Age	Relation	Occupation	Birthplace
1	William K. Parker	27	Head	Operator	Nebraska
2	Katie Parker	26	Wife	—	Washington
3	Geo Raymond Parker	3	Son	—	Washington
4	William Jr. Parker	1	Son	—	Washington
5	Matt P. Heikkinen	47	Head	Logger	Finland
6	Aino Heikkinen	44	Wife	—	Finland
7	Joe Lammi	17	Stepson	—	California
8	Margaret Lammi	12	Daughter	—	Washington
9	Carl Brenner	31	Head	Painter	Norway
10	Marie Brenner	26	Wife	—	Finland
11	William Brenner	5	Son	—	Washington
12	Marjorie Brenner	4	Daughter	—	Washington
13	Norman Brenner	1	Son	—	Washington
14	Tom Snere	36	Head	Logger	Norway
15	Jenny Snere	33	Wife	—	Norway
16	Ivar Snere	15	Son	—	Norway
17	John Hendrickson THIS PERSON	45	Head	Logger	Finland
18	Hilda Hendrickson	42	Wife	—	Finland
19	John Jr. Hendrickson	18	Son	—	Washington
20	Ellen Hendrickson	16	Daughter	—	Washington
21	Arthur Hendrickson	14	Son	—	Washington
22	Elmer Hendrickson	12	Son	—	Washington
23	W. C. Sharp	61	Head	Laborer	Illinois
24	Georgia A. Sharp	54	Wife	—	Missouri
25	Lyman Nelson	36	Head	Clerk	Wisconsin
26	Margaret Nelson	31	Wife	—	Illinois
27	H. P. Pugh	57	Head	Business	Virginia
28	Harriet B. Pugh	59	Wife	Partner	Kentucky
29	Jas Smith	44	Head	Mason	Nebraska
30	Margaret Smith	38	Wife	—	Wisconsin
31	Maxine Smith	12	Daughter	—	Washington
32	Lorraine Smith	10	Daughter	—	Washington
33	John Rauden	48	Head	Farmer	Finland
34	Mary Rauden	46	Wife	—	Finland
35	Kalle Huovinen	55	Head	Farmer	Finland
36	Lillie Huovinen	45	Wife	—	Finland
37	Bessie Huovinen	17	Daughter	—	Washington
38	Edna Huovinen	16	Daughter	—	Washington
39	Oscar Huovinen	14	Son	—	Washington
40	Wilson Huovinen	13	Son	—	Washington
41	Emil Laukainen	77	Head	—	Finland
42	Katherina Laukainen	72	Wife	—	Finland
43	—	None	—	—	—
44	—	None	—	—	—
45	Julia Gustafson	14	Daughter	—	Washington
46	—	None	—	—	—
47	—	None	—	—	—
48	—	None	—	—	—
49	John K. Fitzgerald	20	Son	—	Washington
50	—	None	—	—	—

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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