John Dennis — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · St Louis, Minnesota

Our Model Tree links this John Dennis across the 1920 and 1930 US Censuses in St Louis, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 5-person household.

Age 17 b. ~1913 Male Son Born: Minnesota Single

1930 Census Record Details

Census Year	1930
Location	St Louis, Minnesota
Surname	Dennis
Given Name	John W.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	17
Marital Status	Single
Birthplace	Minnesota
Father's Birthplace	Michigan
Mother's Birthplace	Sweden
Additional Details
Can Read/Write	Yes
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota
Township / Ward	Duluth City
Est. Birth Year	~1913

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Wendell Dennis	Son	—	21	~1909
John Dennis	Son	—	17	~1913
Dagmar Dennis	Spouse	—	49	~1881
Stephen Dennis	Head	—	65	~1865
Kenneth Dennis	Son	—	19	~1911

Census Appearances

1920

St Louis, …

Son, age 7

St Louis, Minnesota · implied b. ~1913 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Dennis
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	7
Marital Status	Single
Birthplace	Minnesota
Father's Birthplace	Michigan
Mother's Birthplace	Sweden
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1930

St Louis, …

Son, age 17

St Louis, Minnesota · implied b. ~1913 — 5 household members

Surname	Dennis
Given Name	John W.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	17
Marital Status	Single
Birthplace	Minnesota
Father's Birthplace	Michigan
Mother's Birthplace	Sweden
Can Read/Write	Yes
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

Model Tree

Linked across censuses

Our Model Tree links John Dennis across 2 US Census years (1920 and 1930) in St Louis, Minnesota, using XGBoost record linkage.

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This person

Anchor record

John Dennis

Son · 1930 · age 17 · b. ~1913 · Minnesota

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Sibling

Wendell Dennis

Sibling · 1930 · age 21

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Kenneth Dennis

Sibling · 1930 · age 19

Source co-child of head (derived)

● Co-child · derived · ~0.88

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

Original Census Page

1930 US Federal Census — St Louis, Minnesota Open full size

Page Contents

50 people indexed on this census page (ia:1930:minnesotacensus00reel1126:0448)

Line	Name	Age	Relation	Occupation	Birthplace
1	Virginia Goldsmith	23	Daughter	—	Minnesota
2	Marguerite Goldsmith	20	Daughter	Stenographer	Minnesota
3	Jean V. Goldsmith	16	Daughter	—	Minnesota
4	Jacqueline Goldsmith	3	Daughter	—	Minnesota
5	Stephen H. Dennis	65	Head	Painter	Michigan
6	Dagmar M. Dennis	49	Wife	—	Sweden
7	Wendell H. Dennis	21	Son	Surveyor	Minnesota
8	Kenneth W. Dennis	19	Son	Bookkeeper	Minnesota
9	John W. Dennis THIS PERSON	17	Son	—	Minnesota
10	Adolph L. Hansen	38	Head	Painter	Denmark
11	Lillian M. Hansen	32	Wife	—	Pennsylvania
12	Carl J. Wahlberg	44	Head	Laborer	Sweden
13	Ida S. Wahlberg	48	Wife	—	Sweden
14	August P. Mansolf	41	Head	Polisher	Minnesota
15	Edna Mansolf	40	Wife	—	Minnesota
16	Edward G. Mansolf	19	Son	—	Minnesota
17	Richard P. Mansolf	17	Son	—	Minnesota
18	Carl W. Stromgren	63	Head	Machinist	Sweden
19	Mabel M. Stromgren	60	Wife	—	Sweden
20	Lloyd W. Stromgren	16	Son	—	Sweden
21	Jack M. Michels	44	Head	Fireman	Wisconsin
22	Carrie R. Michels	40	Wife	Bookkeeper	Wisconsin
23	Clyde R. Michels	19	Son	—	Minnesota
24	Lillian M. Michels	17	Daughter	—	Minnesota
25	Leona E. Michels	16	Daughter	—	Minnesota
26	Carl O. Zuck	41	Head	Salesman	Minnesota
27	Erna R. Zuck	31	Wife	—	Minnesota
28	Roger R. Zuck	5	Son	—	Minnesota
29	Carl E. Zuck	3	Son	—	Minnesota
30	Carol E. Zuck	0	Daughter	—	Minnesota
31	Margaret Johnson	55	Lodger	—	Minnesota
32	Carl Bongaard	50	Head	Teacher	New York
33	Dora S. Bongaard	49	Wife	—	New York
34	Helen M. Bongaard	14	Daughter	—	Massachusetts
35	Emilie L. Bongaard	10	Daughter	—	Massachusetts
36	Robert L. Finckham	49	Head	Lumberman	Maine
37	Barbara Finckham	49	Wife	—	Michigan
38	Barbara J. Finckham	17	Daughter	—	Minnesota
39	Edward H. Griffin	58	Head	Salesman	Kansas
40	Inga Griffin	46	Wife	—	Wisconsin
41	Jerome Duer	45	Head	Optician	Czechoslovakia
42	Annie Duer	42	Wife	—	Norway
43	Curtis Duer	18	Son	—	Minnesota
44	Mabel J. Flynn	72	Head	Conductor	Wisconsin
45	Ellen Flynn	70	Sister	—	New York
46	Lawrence E. Whalen	14	Nephew	—	Minnesota
47	George Klitsch	39	Head	Bookkeeper	Minnesota
48	Irene M. Klitsch	30	Wife	—	Minnesota
49	Marie H. Klitsch	8	Daughter	—	Minnesota
50	John A. Hilmala	62	Head	Fireman	Finland

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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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