John Carroll — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Worcester-County, Massachusetts

Our Model Tree links this John Carroll across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 7-person household.

Age 49 b. ~1891 Male Head Born: Vermont Married

1940 Census Record Details

Census Year	1940
Location	Worcester-County, Massachusetts
Surname	Carroll
Given Name	John S.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Vermont
1935 Residence (City)	Mass
1935 Residence (County)	Worcester
Additional Details
Occupation	Switchman
Industry	Railroad
Class of Worker	PW
Hours Worked	48
Income (1939)	1400
Highest Grade	No 8
1935 Residence	Same place
Birth State	Vermont
Birth Country	United States
Birthplace (normalized)	vermont
Occupation	Switchman
Township / Ward	Worcester City
Est. Birth Year	~1891

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 John	Age	Birth yr
Patricia Carroll	Daughter	—	21	~1919
A Carroll	Daughter	—	19	~1921
Margaret Carroll	Daughter	—	9	~1931
John Carroll	Head	—	49	~1891
Hugh Carroll	Son	—	12	~1928
John Carroll	Son	—	16	~1924
Helen Carroll	Spouse	—	41	~1899

Census Appearances

1920

Worcester, Massachusetts

Head, age 28

Worcester, Massachusetts · implied b. ~1892 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Carroll
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Vermont
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Brakeman
Industry	Trains
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Vermont
Birth Country	United States
Birthplace (normalized)	vermont

1930

Worcester, Massachusetts

Head, age 39

Worcester, Massachusetts · implied b. ~1891 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Carroll
Given Name	John S.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Vermont
Age at First Marriage	26
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Switch man
Industry	B+M Railroad
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	30
Radio Set	R
Birth State	Vermont
Birth Country	United States
Birthplace (normalized)	vermont

1940

Worcester-County, Massachusetts

Head, age 49

Worcester-County, Massachusetts · implied b. ~1891 — 7 household members

Surname	Carroll
Given Name	John S.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Vermont
1935 Residence (City)	Mass
1935 Residence (County)	Worcester
Occupation	Switchman
Industry	Railroad
Class of Worker	PW
Hours Worked	48
Income (1939)	1400
Highest Grade	No 8
1935 Residence	Same place
Birth State	Vermont
Birth Country	United States
Birthplace (normalized)	vermont

Model Tree

Linked across censuses

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

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This person

Anchor record

John Carroll

Head · 1940 · age 49 · b. ~1891 · Massachusetts

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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 — Worcester-County, Massachusetts Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01715-00310)

Line	Name	Age	Relation	Occupation	Birthplace
1	Nicholas Pepper	63	Head	Truck Driver	Mass
2	Elizabeth A. Pepper	24	Wife	—	Mass
3	Theodore M. Pepper	3	Son	—	—
4	Vincent S. Koshus	21	Brother-in-law	Plumber	Mass
5	Helen M. Koshus	18	Wife	—	Mass
6	Henry R. Stone	46	Head	Driver	Mass
7	Nora Stone	49	Wife	—	Mass
8	John R. Stone	23	Son	Laborer	Mass
9	George L. Stone	21	Son	—	Mass
10	Robert Stone	15	Son	—	Mass
11	Henry Jr. Stone	13	Son	—	Mass
12	Joseph D. Le Doux	34	Head	Typesetting	Mass
13	Irene B. Le Doux	35	Wife	—	Mass
14	Georgette L. Le Doux	15	Daughter	—	Rhode Island
15	Evelyn P. Le Doux	13	Daughter	—	Mass
16	Jeanne S. Le Doux	9	Daughter	—	Mass
17	Roger A. Le Doux	4	Son	—	—
18	John S. Carroll THIS PERSON	49	Head	Switchman	Vermont
19	Helen Carroll	41	Wife	—	Mass
20	Patricia L. Carroll	21	Daughter	Clerk	Mass
21	A. Loretta Carroll	19	Daughter	—	Mass
22	John P. Carroll	16	Son	—	Mass
23	Hugh L. Carroll	12	Son	—	Mass
24	Margaret M. Carroll	9	Daughter	—	Mass
25	Charles F. Maloney	36	Head	Laborer	Mass
26	Nora B. Maloney	33	Wife	—	Mass
27	Richard B. Maloney	7	Son	—	Mass
28	Patricia A. Maloney	5	Daughter	—	Mass
29	Louis C. Gregory	42	Head	Watchman	Mass
30	Catherine T. Gregory	42	Wife	—	Mass
31	James J. Jennings	21	Son-in-law	—	Mass
32	Patrick Kelly	84	Father-in-law	—	Ireland
33	Mary Machoul	64	Head	—	—
34	Arthur Machoul	42	Son	Cleaner	Syria
35	Genevieve Machoul	32	Daughter	—	Mass
36	George Machoul	31	Son	—	Mass
37	Emil Berian	52	Head	Roofer	Canada
38	Delia Berian	57	Wife	—	Mass
39	Lucille M. Berian	10	Daughter	—	Mass
40	Theresa Berian	5	Daughter	—	—

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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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