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Elmer Thompson — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Ramsey, North Dakota

Our Model Tree links this Elmer Thompson across the 1920 and 1930 US Censuses in Ramsey, North Dakota (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 10-person household.

Age 11 b. ~1919 Male Son Born: North Dakota Single

1930 Census Record Details

Census Year1930
LocationRamsey, North Dakota
SurnameThompson
Given NameElmer
Relationship to HeadSon
SexM
Color / RaceWhite
Age11
Marital StatusSingle
BirthplaceNorth Dakota
Father's BirthplaceNorth Dakota
Mother's BirthplaceNorth Dakota
Additional Details
Can Read/WriteYes
Birth StateNorth Dakota
Birth CountryUnited States
Birthplace (normalized)north dakota
Township / WardDevils Lake City
Est. Birth Year~1919

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.

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

Name Relation to head Relative to Elmer Age Birth yr
Helora Thompson Spouse — 39 ~1891
Florence Thompson Daughter — 13 ~1917
Fred Thompson Head — 45 ~1885
Ruby Thompson Daughter — 18 ~1912
Helena Wicken Daughter — 16 ~1914
James Thompson Son — 10 ~1920
Elmer Thompson Son — 11 ~1919
Kenneth Wicken Other — ~1930
Marion Thompson Daughter — 21 ~1909
Arthur Wicken Other — 21 ~1909

Census Appearances

1920
Ramsey, North …
Son, age 1
Ramsey, North Dakota · implied b. ~1919 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Thompson
Given Name Elmer
Relationship to Head Son
Sex M
Color / Race White
Age 1
Marital Status Single
Birthplace North Dakota
Father's Birthplace Iowa
Mother's Birthplace North Dakota
Birth State North Dakota
Birth Country United States
Birthplace (normalized) north dakota
1930
Ramsey, North …
Son, age 11
Ramsey, North Dakota · implied b. ~1919 — 10 household members
Surname Thompson
Given Name Elmer
Relationship to Head Son
Sex M
Color / Race White
Age 11
Marital Status Single
Birthplace North Dakota
Father's Birthplace North Dakota
Mother's Birthplace North Dakota
Can Read/Write Yes
Birth State North Dakota
Birth Country United States
Birthplace (normalized) north dakota

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Linked across censuses
Our Model Tree links Elmer Thompson across 2 US Census years (1920 and 1930) in Ramsey, North Dakota, using XGBoost record linkage.
Show:
This person
Anchor record
Elmer Thompson
Son · 1930 · age 11 · b. ~1919 · North Dakota
★ You are viewing this record
Sibling
Marion Thompson
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Thompson
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helena Wicken
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Thompson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Thompson
Sibling · 1930 · age 13
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 — Ramsey, North Dakota Open full size

Page Contents

49 people indexed on this census page (ia:1930:15thcensus1740unit:0665)

Line Name Age Relation Occupation Birthplace
51 Dan Rondou 54 Head Truck Driver North Dakota
52 Olive M Rondou 53 Wife — Canada French
53 Elvina Rondou 16 Daughter — North Dakota
54 William Summers 60 Head Sta Engineer Tennessee
55 Gertrude Summers 63 Wife — Norway
56 Robert Knoff 52 Head Contractor Norway
57 Petra Knoff 42 Wife — Minnesota
58 Irwin Knoff 20 Son Cab Driver North Dakota
59 Dora Knoff 18 Daughter — North Dakota
60 Arnold Knoff 16 Son — North Dakota
61 Virginia Jensen 23 Daughter — North Dakota
62 Eugene Jensen 1 Gr-Son — North Dakota
63 Kilburnia Jensen 0 Gr-Daughter — North Dakota
64 William D Wadford 34 Head Machinist Nebraska
65 Katherine Wadford 32 Wife — North Dakota
66 William R Wadford 12 Son — Minnesota
67 Leona Wadford 10 Daughter — Minnesota
68 Betty Wadford 8 Daughter — Minnesota
69 Robert Wadford 7 Son — Minnesota
70 Hubert D Mcphail 42 Head Carpenter Canada English
71 Viola M Mcphail 25 Wife — Illinois
72 David A Mcphail 6 Son — North Dakota
73 Metta M Mcphail 4 Daughter — North Dakota
74 Laura Odegaard 69 Head — Norway
76 Carl Morse 32 Head The Man Norway
77 Clara Morse 27 Wife — South Dakota
78 Clarence Morse 2 Son — North Dakota
79 Adeline Morse 1 Daughter — North Dakota
80 Fred Thompson 45 Head Machinist North Dakota
81 Helora M Thompson 39 Wife — North Dakota
82 Marion Thompson 21 Daughter — North Dakota
83 Ruby Thompson 18 Daughter Marceller North Dakota
84 Florence Thompson 13 Daughter — North Dakota
85 Elmer Thompson THIS PERSON 11 Son — North Dakota
86 James Thompson 10 Son — North Dakota
87 Arthur T Wicken 21 Son-in-law Salesman Minnesota
88 Helena Wicken 16 Daughter — North Dakota
89 Kenneth Wicken 0 Son-in-law — North Dakota
90 Helmer Westland 31 Head Machinist Wisconsin
91 Ester Westland 26 Wife — Finland
92 Gerald Westland 1 Son — North Dakota
93 Lydia Pekkarinen 23 Lodger — Michigan
94 Harvey Swenson 35 Head Deliveryman Minnesota
95 Hazel Swenson 31 Wife — North Dakota
96 Mavis Swenson 2 Daughter — North Dakota
97 Harry H Mallett 40 Head Salesman Oklahoma
98 Lola Mallett 40 Wife — Kansas
99 Eldred Mallett 18 Son Poultryman Oklahoma
100 Lloyd Mallett 15 Son — Oklahoma

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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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