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Mary Olson — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · Moody, South Dakota

Our Model Tree links this Mary Olson across the 1920 and 1930 US Censuses in Moody, South Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1873), then head of a 8-person household.

Age 47 b. ~1873 Female Spouse Born: Denmark Married

1920 Census Record Details

Census Year1920
LocationMoody, South Dakota
SurnameOlson
Given NameMary
Relationship to HeadWife
SexF
Color / RaceWhite
Age47
Marital StatusMarried
BirthplaceDenmark
Year of Immigration1881
Naturalization StatusNaturalized
Father's BirthplaceDenmark
Mother's BirthplaceDenmark
Additional Details
Can ReadYes
Can WriteYes
Speaks EnglishYes
Mother TongueDanish
Birth CountryDenmark
Year of Naturalization1886
Birthplace (normalized)denmark
Township / WardEnterprise Township
Est. Birth Year~1873

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.

8 people recorded at the same address in the 1920 census.

Name Relation to head Relative to Mary Age Birth yr
Lillie Olson Daughter — 9 ~1911
Peter Olson Son — 26 ~1894
Mary Olson Spouse — 47 ~1873
O Olson Head — 47 ~1873
Rosie Olson Daughter — 13 ~1907
George Olson Son — 21 ~1899
Mary Olson Daughter — 18 ~1902
Jennie Olson Daughter — 16 ~1904

Census Appearances

1920
Moody, South …
Spouse, age 47
Moody, South Dakota · implied b. ~1873 — 8 household members
Surname Olson
Given Name Mary
Relationship to Head Wife
Sex F
Color / Race White
Age 47
Marital Status Married
Birthplace Denmark
Year of Immigration 1881
Naturalization Status Naturalized
Father's Birthplace Denmark
Mother's Birthplace Denmark
Can Read Yes
Can Write Yes
Speaks English Yes
Mother Tongue Danish
Birth Country Denmark
Year of Naturalization 1886
Birthplace (normalized) denmark
1930
Moody, South …
Spouse, age 57
Moody, South Dakota · implied b. ~1873 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Olsen
Given Name Marie
Relationship to Head wife
Sex F
Color / Race White
Age 57
Marital Status Married
Birthplace Denmark
Naturalization Status Naturalized
Year of Immigration 1893
Age at First Marriage 20
Father's Birthplace Denmark
Mother's Birthplace Denmark
Occupation none
Can Read/Write Yes
Mother Tongue Danish
Birth Country Denmark
Birthplace (normalized) denmark

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 Mary Olson across 2 US Census years (1920 and 1930) in Moody, South Dakota, using XGBoost record linkage.
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This person
Anchor record
Mary Olson
Spouse · 1920 · age 47 · b. ~1873 · South Dakota
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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1920 US Federal Census — Moody, South Dakota Open full size

Page Contents

50 people indexed on this census page (ia:1920:14thcensusofpopu1720unit:0440)

Line Name Age Relation Occupation Birthplace
1 Milo Axtell 35 Head Farmer Iowa
2 Anna C Axtell 32 Wife — Iowa
3 Labract Michael 35 Hired man — Saxony
4 N. P. Iverson 40 Head Farmer Iowa
5 Mary Iverson 35 Wife — South Dakota
6 Lester Iverson 11 Son — South Dakota
7 Mildred F. Iverson 7 Daughter — South Dakota
8 Ben Mitchum 34 Head Farmer Kansas
9 Virginia Mitchum 34 Wife — Iowa
10 Benjamin Mitchum 11 Son — South Dakota
11 Clara B Mitchum 9 Daughter — South Dakota
12 Dorothy Mitchum 4 Daughter — South Dakota
13 Hooper S. Burk 35 Hired man Farm Laborer South Dakota
14 O. Chris Olson 47 Head Farmer Denmark
15 Mary Olson THIS PERSON 47 Wife — Denmark
16 Peter Olson 26 Son — Wisconsin
17 George Olson 21 Son — Wisconsin
18 Mary Olson 18 Daughter — Wisconsin
19 Jennie Olson 16 Daughter — Wisconsin
20 Rosie Olson 13 Daughter — Iowa
21 Lillie Olson 9 Daughter — Iowa
22 N. P. Nelson 47 Head Farmer Denmark
23 Anna C Nelson 45 Wife — South Dakota
24 Alfred Nelson 17 Son — South Dakota
25 Margaret Nelson 16 Daughter — South Dakota
26 Robert Nelson 10 Son — South Dakota
27 Gladys Nelson 8 Daughter — South Dakota
28 Arthur Nelson 37 Head Farmer South Dakota
29 Minnie Nelson 30 Wife — South Dakota
30 Jacob Nelson 60 Head Farmer Denmark
31 Tena Nelson 46 Wife — South Dakota
32 James C Norgaard 43 Head Farmer South Dakota
33 Christine Norgaard 44 Wife — Bavaria Ger
34 Bertha Norgaard 12 Daughter — South Dakota
35 Grace Norgaard 11 Daughter — South Dakota
36 Herbert Norgaard 9 Son — South Dakota
37 Christenson Anderson 29 Hired man — Prussia Ger
38 Nick Huss 39 Head Farmer Iowa
39 Anna Huss 34 Wife — Iowa
40 Viola Huss 11 Daughter — Iowa
41 Harold Huss 7 Son — South Dakota
42 Vianey Huss 6 Son — South Dakota
43 Frank W Baker 44 Head Farmer Iowa
44 Anna Baker 31 Wife — Iowa
45 Eveline Baker 13 Daughter — Iowa
46 Mathilda Baker 12 Daughter — Iowa
47 Theresa Baker 10 Daughter — Iowa
48 Florence Baker 7 Daughter — South Dakota
49 Agnes Baker 4 Daughter — South Dakota
50 George Durban 29 Head Farm Laborer Illinois

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1920 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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