John Fitzgerald — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Suffolk-County, Massachusetts

Our Model Tree links this John Fitzgerald across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 5-person household.

Age 58 b. ~1882 Male Head Born: Mass. Widowed

1940 Census Record Details

Census Year	1940
Location	Suffolk-County, Massachusetts
Surname	Fitzgerald
Given Name	John J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	58
Marital Status	Widowed
Birthplace	Mass.
1935 Residence (City)	Boston
1935 Residence (County)	Suffolk
Additional Details
Occupation	Draw Tender
Industry	City of Boston
Class of Worker	GW
Hours Worked	48
Income (1939)	1872
Highest Grade	H-1
1935 Residence	Mass
Birth State	Massachusetts
Birth Country	United States
Birthplace (normalized)	mass
Occupation	Draw Tender
Township / Ward	Boston
Est. Birth Year	~1882

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Esther Deasy	Daughter	—	28	~1912
Mildred Fitzgerald	Daughter	—	24	~1916
John Fitzgerald	Head	—	58	~1882
Paul Deasy	Other	—	1	~1939
Francis Deasy	Other	—	31	~1909

Census Appearances

1920

Suffolk, Massachusetts

Other, age 36

Suffolk, Massachusetts · implied b. ~1884 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Fitzgerald
Given Name	John R
Relationship to Head	Brother
Sex	M
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Mass
Father's Birthplace	Ireland
Mother's Birthplace	Halifax
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Massachusetts
Birth Country	United States
Birthplace (normalized)	mass

1930

Suffolk, Massachusetts

Head, age 47

Suffolk, Massachusetts · implied b. ~1883 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Fitzgerald
Given Name	John J
Relationship to Head	Head
Sex	M
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Mass
Age at First Marriage	27
Father's Birthplace	Irish Free State
Mother's Birthplace	Irish Free State
Occupation	Laborer
Industry	Brass Co
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	35
Birth State	Massachusetts
Birth Country	United States
Birthplace (normalized)	mass

1940

Suffolk-County, Massachusetts

Head, age 58

Suffolk-County, Massachusetts · implied b. ~1882 — 5 household members

Surname	Fitzgerald
Given Name	John J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	58
Marital Status	Widowed
Birthplace	Mass.
1935 Residence (City)	Boston
1935 Residence (County)	Suffolk
Occupation	Draw Tender
Industry	City of Boston
Class of Worker	GW
Hours Worked	48
Income (1939)	1872
Highest Grade	H-1
1935 Residence	Mass
Birth State	Massachusetts
Birth Country	United States
Birthplace (normalized)	mass

Model Tree

Linked across censuses

Our Model Tree links John Fitzgerald 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 Fitzgerald

Head · 1940 · age 58 · b. ~1882 · 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 — Suffolk-County, Massachusetts Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01665-00131)

Line	Name	Age	Relation	Occupation	Birthplace
1	Mary E. Fallow	37	Wife	Housekeeper	England
2	Loraine M. Fallow	17	Daughter	—	Massachusetts
3	Donald E. Fallow	10	Son	—	Massachusetts
4	Renton R. Fallow	8	Son	—	Massachusetts
5	Robert D. Fallow	2	Son	0	Massachusetts
6	Herbert P. Hayward	39	Head	Porter	Massachusetts
7	Margaret A. Hayward	35	Wife	Housekeeper	Massachusetts
8	Paul E. Hayward	14	Son	—	Massachusetts
9	Donald J. Hayward	13	Son	—	Massachusetts
10	Mary E. Hayward	7	Daughter	—	Massachusetts
11	Timothy T. Sullivan	40	Head	Laborer	Massachusetts
12	Marion H. Sullivan	35	Wife	Housework	Massachusetts
13	Jean M. Sullivan	12	Daughter	—	Massachusetts
14	Marilyn Sullivan	11	Daughter	—	Massachusetts
15	John Sullivan	4	Son	0	Massachusetts
16	Nora C. Crowley	35	Lodger	Clerk	Massachusetts
17	Charles S. Mabon	56	Head	Baker	Lithuania
18	Monica B. Mabon	42	Wife	Kitchen Worker	Lithuania
19	John P. Mabon	19	Son	—	Massachusetts
20	Francis W. Dolphin	29	Head	Salesman	Massachusetts
21	Helen F. Dolphin	31	Wife	Housekeeper	Massachusetts
22	James W. Dolphin	6	Son	—	Massachusetts
23	Richard V. Dolphin	5	Son	—	Massachusetts
24	Cornelius F. Barnes	15	Head	Mechanic	Mass.
25	Mary L. Barnes	62	Wife	Housekeeper	Mass.
26	John J. Fitzgerald THIS PERSON	58	Head	Draw Tender	Mass.
27	Mildred F. Fitzgerald	24	Daughter	Operator	Mass.
28	Esther C. Deasy	28	Daughter	Housekeeper	Mass.
29	Francis J. Deasy	31	Son-in-law	Chauffeur	Mass.
30	Paul F. Deasy	1	Grand-son	0	Mass.
31	Benedict F. Ferreze	32	Head	Carpenter	Mass.
32	Margaret M. Ferreze	31	Wife	Housekeeper	Mass.
33	Edward W. Ferreze	9	Son	—	Mass.
34	Joan M. Ferreze	3	Daughter	0	Mass.
35	Catherine Matanes	60	Head	Cleaner	Lithuania
36	Catherine K. Matanes	31	Daughter	Waitress	Mass.
37	Joseph Matanes	27	Son	Laborer	Mass.
38	James Matanes	24	Son	Laborer	Mass.
39	Anthony Matones	30	Head	Asst. Foreman	Mass.
40	Antoinette Matones	25	Wife	Housekeeper	Mass.

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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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