Robert Larson — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Tippecanoe-County, Indiana

Our Model Tree links this Robert Larson across the 1920, 1930 and 1940 US Censuses in Tippecanoe-County, Indiana (XGBoost, ~Confirmed), with identified parents Victor & Ellen — first a head (b.~1913), then head of a 3-person household.

Age 27 b. ~1913 Male Head Born: Indiana Married

1940 Census Record Details

Census Year	1940
Location	Tippecanoe-County, Indiana
Surname	Larson
Given Name	Robert A
Relationship to Head	Head
Sex	M
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Sheffield T.
1935 Residence (County)	Tippecanoe
Additional Details
Occupation	Plumber
Industry	Retail Shop
Class of Worker	PW
Hours Worked	40
Income (1939)	1300
Highest Grade	H-4
1935 Residence	Same Place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Occupation	Plumber
Township / Ward	Sheffield T
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.

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

Name	Relation to head	Relative to Robert	Age	Birth yr
Frances Larson	Spouse	—	24	~1916
Robert Larson	Son	—	4	~1936
Robert Larson	Head	—	27	~1913

Census Appearances

1920

Tippecanoe, Indiana

Son, age 7

Tippecanoe, Indiana · implied b. ~1913 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Larson
Given Name	Robert A
Relationship to Head	Son
Sex	M
Color / Race	White
Age	7
Marital Status	Single
Birthplace	Indiana
Father's Birthplace	Sweden
Mother's Birthplace	Kansas
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Swedish
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Tippecanoe, Indiana

Son, age 17

Tippecanoe, Indiana · implied b. ~1913 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Larson
Given Name	Robert
Relationship to Head	Son
Sex	M
Color / Race	White
Age	17
Marital Status	Single
Birthplace	Indiana
Father's Birthplace	Sweden
Mother's Birthplace	Kansas
Occupation	Newsboy
Industry	Street
Class of Worker	W
Can Read/Write	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Tippecanoe-County, Indiana

Head, age 27

Tippecanoe-County, Indiana · implied b. ~1913 — 3 household members

Surname	Larson
Given Name	Robert A
Relationship to Head	Head
Sex	M
Color / Race	White
Age	27
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Sheffield T.
1935 Residence (County)	Tippecanoe
Occupation	Plumber
Industry	Retail Shop
Class of Worker	PW
Hours Worked	40
Income (1939)	1300
Highest Grade	H-4
1935 Residence	Same Place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Model Tree available

Our Model Tree links Robert Larson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Victor Larson (~0.92 confidence) and mother Ellen Larson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Victor Larson

b. ~1885

Source father

● Household · direct · ~0.92

Mother

Ellen Larson

b. ~1887

Source mother

● Household · direct · ~0.92

This person

Anchor record

Robert Larson

Head · 1940 · age 27 · b. ~1913 · Indiana

★ You are viewing this record

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

Original Census Page

1940 US Federal Census — Tippecanoe-County, Indiana Open full size

Page Contents

28 people indexed on this census page (nara:1940:m-t0627-01099-00210)

Line	Name	Age	Relation	Occupation	Birthplace
1	Robt J Wilson	30	Head	Salesman	Indiana
2	Josie Wilson	27	Wife	—	Indiana
3	Marilyn Wilson	1	Daughter	—	Indiana
4	James Rumfelt	67	Head	Lather	Indiana
5	Clara Rumfelt	67	Wife	—	Iowa Kansas
6	Leon Wirt	52	Head	Oil Station	Illinois
7	Lanie Wirt	38	Wife	—	Indiana
8	Richard Wirt	20	Son	—	Indiana
9	Robert A Larson THIS PERSON	27	Head	Plumber	Indiana
10	Frances Larson	24	Wife	—	Indiana
11	Robert Larson	4	Son	—	Indiana
12	Morris Rohler	42	Head	Clerk	Indiana
13	Sophia Rohler	30	Wife	Operator	Indiana
14	Beverly Dalton	9	Stepdaughter	—	Indiana
15	John Dalton	5	Stepson	—	Indiana
16	Lewis Mitchell	72	Father-in-law	—	Indiana
17	Winnie Mitchell	66	Mother-in-law	—	Indiana
18	Harold Joyce	24	Head	Minister	Indiana
19	Alice Joyce	26	Wife	—	Ohio
20	Harold Ii Joyce	1	Son	—	Indiana
21	Forest Pave	40	Head	Electrician	Indiana
22	Celia T Pave	30	Wife	—	Tennessee
23	B E Jenkins	63	Head	Farmer	Indiana
24	Ada Jenkins	57	Wife	—	Indiana
25	Jane Jenkins	20	Daughter	—	Indiana
26	Antony Sink	61	Lodger	Construction Work	Indiana
27	Jackson Carter	75	Head	—	Indiana
28	Laura Carter	73	Wife	—	Indiana

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Pedigree Summary

Robert

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

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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