John Mcdonough — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Suffolk-County, Massachusetts

Our Model Tree links this John Mcdonough across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 8-person household.

Age 42 b. ~1898 Male Head Born: Mass. Married

1940 Census Record Details

Census Year	1940
Location	Suffolk-County, Massachusetts
Surname	McDonough
Given Name	John J.
Relationship to Head	head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Mass.
1935 Residence (City)	Boston
1935 Residence (County)	Suffolk
Additional Details
Occupation	fireman
Industry	Boston Fire Dept.
Class of Worker	GW
Hours Worked	84
Income (1939)	2100
Highest Grade	No 8
1935 Residence	Same place
Birth State	Massachusetts
Birth Country	United States
Birthplace (normalized)	mass
Occupation	Fireman
Township / Ward	Boston
Est. Birth Year	~1898

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 1940 census.

Name	Relation to head	Relative to John	Age	Birth yr
Eleanor Mcdonough	Daughter	—	12	~1928
Esther Mcdonough	Daughter	—	19	~1921
John Mcdonough	Head	—	42	~1898
Daniel Regan	Other	—	64	~1876
Raymond Mcdonough	Son	—	15	~1925
John Mcdonough	Son	—	18	~1922
Francis Mcdonough	Son	—	17	~1923
Esther Mcdonough	Spouse	—	39	~1901

Census Appearances

1930

Suffolk, Massachusetts

Other, age 32

Suffolk, Massachusetts · implied b. ~1898 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McDonough
Given Name	John
Relationship to Head	Boarder
Sex	M
Color / Race	White
Age	32
Marital Status	Single
Birthplace	Mass
Father's Birthplace	Irish F.S.
Mother's Birthplace	Irish F.S.
Occupation	Fireman
Industry	Stationary
Class of Worker	W
Can Read/Write	Yes
Birth State	Massachusetts
Birth Country	United States
Birthplace (normalized)	mass

1940

Suffolk-County, Massachusetts

Head, age 42

Suffolk-County, Massachusetts · implied b. ~1898 — 8 household members

Surname	McDonough
Given Name	John J.
Relationship to Head	head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Mass.
1935 Residence (City)	Boston
1935 Residence (County)	Suffolk
Occupation	fireman
Industry	Boston Fire Dept.
Class of Worker	GW
Hours Worked	84
Income (1939)	2100
Highest Grade	No 8
1935 Residence	Same place
Birth State	Massachusetts
Birth Country	United States
Birthplace (normalized)	mass

Model Tree

Linked across censuses

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

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This person

Anchor record

John Mcdonough

Head · 1940 · age 42 · b. ~1898 · 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-t0627-01674-00379)

Line	Name	Age	Relation	Occupation	Birthplace
1	William Finneran	22	son	Salesman	Massachusetts
2	Elizabeth Finneran	21	daughter	New Worker	Massachusetts
3	Josephine T. Nash	67	head	—	Maine
4	Frank S. Farrell	46	son-in-law	Laborer	Rhode Island
5	Jane F. Farrell	44	daughter	—	Mass.
6	Francis S. Farrell	13	grandson	—	Mass.
7	Patrick F. Dirney	51	head	Checker	Ireland
8	Mary F. Dirney	48	wife	—	Ireland
9	Catherine Dirney	19	daughter	New Worker	Massachusetts
10	Margaret Dirney	15	daughter	—	Mass.
11	Francis Dirney	11	son	—	Mass.
12	Alexander Hermiston	77	head	—	Scotland
13	Janet Hermiston	72	wife	—	Scotland
14	Clarence W. Hermiston	41	son	Glazier	Mass.
15	Hazel M. Hermiston	38	daughter	Filing Clerk	Mass.
16	Edna Hermiston	34	daughter	Stock Clerk	Mass.
17	Patrick J. Crimmins	38	head	Truck Driver	Ireland
18	Lillian A. Crimmins	38	wife	—	Ireland
19	Mary A. Crimmins	10	daughter	—	Mass.
20	Patricia M. Crimmins	6	daughter	—	Mass.
21	Hannah Lunt	62	lodger	—	Ireland
22	Barnet Gordon	65	head	Proprietor	Russia
23	Annie Gordon	61	wife	—	Russia
24	Rebekah Gordon	33	daughter	Bookkeeper	Russia
25	Helen A. Gordon	26	daughter	Secretary	Mass.
26	Frances Scholl	37	daughter	Cashier	Russia
27	Theodore M. Scholl	11	grandson	—	Mass.
28	Francis C. Smith	38	head	Police Officer	Maine
29	Irene T. Smith	33	wife	—	Mass.
30	Marilyn T. Smith	7	daughter	—	Mass.
31	Walter J. Smith	3	son	—	Mass.
32	John J. Mcdonough THIS PERSON	42	head	Fireman	Mass.
33	Esther V. Mcdonough	39	wife	—	Mass.
34	Esther M. Mcdonough	19	daughter	Sales Girl	Mass.
35	John J. Jr. Mcdonough	18	son	—	Mass.
36	Francis L. Mcdonough	17	son	—	Mass.
37	Raymond Mcdonough	15	son	—	Mass.
38	Eleanor Mcdonough	12	daughter	—	Mass.
39	Daniel J. Regan	64	father-in-law	Laborer	Ireland
40	James J. O'Reilly	67	head	—	Ireland

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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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