Helen Johnston — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Grand-County, Colorado

Our Model Tree links this Helen Johnston across the 1920, 1930 and 1940 US Censuses in Grand-County, Colorado (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 7-person household.

Age 52 b. ~1888 Female Spouse Born: Colorado Married

1940 Census Record Details

Census Year	1940
Location	Grand-County, Colorado
Surname	Johnston
Given Name	Helen J.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	52
Marital Status	Married
Birthplace	Colorado
1935 Residence (City)	Grand Lake
1935 Residence (County)	Grand
Additional Details
Highest Grade	H-4
1935 Residence	Same house
Birth State	Colorado
Birth Country	United States
Birthplace (normalized)	colorado
Township / Ward	Grand Lake
Est. Birth Year	~1888

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.

7 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Helen	Age	Birth yr
Lyle Peterson	Other	—	19	~1921
Marjorie Johnston	Daughter	—	17	~1923
James Johnston	Son	—	11	~1929
Helen Johnston	Spouse	—	52	~1888
Bert Johnston	Son	—	15	~1925
Raymond Johnston	Son	—	13	~1927
Robert Johnston	Head	—	59	~1881

Census Appearances

1920

Grand, Colorado

Spouse, age 32

Grand, Colorado · implied b. ~1888 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnston
Given Name	Helen L.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Colorado
Father's Birthplace	Illinois
Mother's Birthplace	Illinois
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Colorado
Birth Country	United States
Birthplace (normalized)	colorado

1930

Grand, Colorado

Spouse, age 41

Grand, Colorado · implied b. ~1889 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnston
Given Name	Helen V.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	41
Marital Status	Married
Birthplace	Colorado
Age at First Marriage	33
Father's Birthplace	Illinois
Mother's Birthplace	Illinois
Can Read/Write	Yes
Birth State	Colorado
Birth Country	United States
Birthplace (normalized)	colorado

1940

Grand-County, Colorado

Spouse, age 52

Grand-County, Colorado · implied b. ~1888 — 7 household members

Surname	Johnston
Given Name	Helen J.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	52
Marital Status	Married
Birthplace	Colorado
1935 Residence (City)	Grand Lake
1935 Residence (County)	Grand
Highest Grade	H-4
1935 Residence	Same house
Birth State	Colorado
Birth Country	United States
Birthplace (normalized)	colorado

Model Tree

Linked across censuses

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

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This person

Anchor record

Helen Johnston

Spouse · 1940 · age 52 · b. ~1888 · Colorado

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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 — Grand-County, Colorado Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00464-00012)

Line	Name	Age	Relation	Occupation	Birthplace
1	Andrew H. Ekdahl	34	Yardman	Carpenter	Kansas
2	Carl A. Farson	37	Head	Painter	Nebraska
3	Mildred J. Farson	38	Wife	—	South Dakota
4	Betty J. Farson	12	Daughter	—	Nebraska
5	Lelia C. Davis	56	Head	—	Missouri
6	Lester H. Piper	36	Son-in-law	Proprietor	North Dakota
7	Cornelia D. Piper	31	Daughter	—	Nebraska
8	Richard D. Piper	8	Grandson	—	Colorado
9	William C. Piper	3	Grandson	—	Colorado
10	Robert E. Johnston	59	Head	Carpenter	Colorado
11	Helen J. Johnston THIS PERSON	52	Wife	—	Colorado
12	Marjorie J. Johnston	17	Daughter	—	Colorado
13	Bert E. Jr. Johnston	15	Son	—	Colorado
14	Raymond J. Johnston	13	Son	—	Colorado
15	James M. Johnston	11	Son	—	Colorado
16	Lyle D. Peterson	19	Lodger	Farmer	Montana
17	John W. Lentz	41	Head	Carpenter	Tennessee
18	Essie M. Lentz	40	Wife	—	Oklahoma
19	John D. Bragg	38	Head	Carpenter	Maine
20	Viola L. Bragg	34	Wife	—	Maine
21	Philip B. Bragg	16	Son	—	Nebraska
22	R. Francis Bragg	14	Son	—	Colorado
23	Dennis C. Bragg	12	Son	—	Colorado
24	Catherine L. Bragg	8	Daughter	—	Colorado
25	Barney D. Greer	29	Head	Laborer	Texas
26	Catherine M. Greer	64	Mother	—	Maine
27	Raymond P. Gregg	62	Head	Blacksmith	Wisconsin
28	Fred D. Madsen	48	Head	Park Ranger	Colorado
29	Iva M. Madsen	48	Wife	—	Colorado
30	Richard C. Madsen	18	Son	Laborer	Colorado
31	P. Douglas Madsen	16	Son	—	Colorado
32	A. Joanne Madsen	13	Daughter	—	Colorado
33	Phyllis A. Madsen	11	Daughter	—	Colorado
34	Elbert A. Madsen	10	Son	—	Colorado
35	Ralph A. Wescott	35	Head	Stonemason	Iowa
36	Opal J. Wescott	35	Wife	—	Missouri
37	Florence Cooke	16	Step-daughter	Housemaid	Washington
38	Virgil E. Bloomquist	15	Step-son	—	Washington
39	Clarence L. Bloomquist	11	Step-son	—	Colorado
40	Andrew P. Christiansen	52	Head	Proprietor	Colorado

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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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