William Mills — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Essex-County, Massachusetts

Our Model Tree links this William Mills across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 5-person household.

Age 50 b. ~1890 Male Head Born: Scotland Married

1940 Census Record Details

Census Year	1940
Location	Essex-County, Massachusetts
Surname	Mills
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Scotland
1935 Residence (City)	Lynn City
1935 Residence (County)	Essex
Naturalization Status	Naturalized
Additional Details
Occupation	Machinist
Industry	Machine Co.
Class of Worker	PW
Hours Worked	40
Income (1939)	1600
Highest Grade	No 7
1935 Residence	Same House
Birth Country	Scotland
Birthplace (normalized)	scotland
Occupation	Machinist
Township / Ward	Lynn City
Est. Birth Year	~1890

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 William	Age	Birth yr
Josephine Mills	Daughter	—	15	~1925
Christine Mills	Daughter	—	4	~1936
William Mills	Head	—	50	~1890
James Mills	Son	—	13	~1927
Sarah Mills	Spouse	—	46	~1894

Census Appearances

1920

Essex, Massachusetts

Head, age 30

Essex, Massachusetts · implied b. ~1890 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mills
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	30
Marital Status	Married
Birthplace	Scotland
Year of Immigration	1910
Naturalization Status	Alien
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Occupation	Machinist
Industry	Electric Mfg Co
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Home Owned/Rented	R
Birth Country	Scotland
Birthplace (normalized)	scotland

1930

Essex, Massachusetts

Head, age 40

Essex, Massachusetts · implied b. ~1890 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mills
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	40
Marital Status	Married
Birthplace	Scotland
Naturalization Status	Naturalized
Year of Immigration	1909
Age at First Marriage	25
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Occupation	Machinist
Industry	Electric Appliance Mfg
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	O
Home Value / Rent	$5000
Radio Set	R
Veteran	No
Birth Country	Scotland
Birthplace (normalized)	scotland

1940

Essex-County, Massachusetts

Head, age 50

Essex-County, Massachusetts · implied b. ~1890 — 5 household members

Surname	Mills
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Scotland
1935 Residence (City)	Lynn City
1935 Residence (County)	Essex
Naturalization Status	Naturalized
Occupation	Machinist
Industry	Machine Co.
Class of Worker	PW
Hours Worked	40
Income (1939)	1600
Highest Grade	No 7
1935 Residence	Same House
Birth Country	Scotland
Birthplace (normalized)	scotland

Model Tree

Linked across censuses

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

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This person

Anchor record

William Mills

Head · 1940 · age 50 · b. ~1890 · 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 — Essex-County, Massachusetts Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-01697-00594)

Line	Name	Age	Relation	Occupation	Birthplace
41	John P. Morrissey	60	Head	—	Mass.
42	Mary L. Morrissey	50	Wife	—	Mass.
43	Harling Cutt	37	Sister-in-law	Clerk	Mass.
44	John S. French	40	Head	Proprietor	Mass.
45	Rosa French	37	Wife	Supervisor	Mass.
46	Anton Rosicky	44	Head	Proprietor	Czech.
47	Agatha Rosicky	40	Wife	—	Mass.
48	Frank Mcinerney	52	Brother-in-law	Laborer	Mass.
49	Albert H. Conley	50	Head	Laborer	Mass.
50	Margaret Conley	41	Wife	—	Mass.
51	George J. Conley	6	Son	—	Mass.
52	William Mills THIS PERSON	50	Head	Machinist	Scotland
53	Sarah Mills	46	Wife	—	Scotland
54	Josephine Mills	15	Daughter	—	Mass.
55	James Mills	13	Son	—	Mass.
56	Christine Mills	4	Daughter	—	Mass.
57	(Miss Inform.)	None	—	—	—
59	Charles Murphy	34	Head	Mason	Mass.
60	Ethel Murphy	39	Wife	—	Mass.
61	Barbara Murphy	3	Daughter	—	Mass.
62	Bessie Murphy	69	Mother	—	Mass.
63	Fannie Murphy	45	Sister	Assembler	Mass.
64	Fred Hamilton	42	Head	Die-Setting	Virginia
65	Vera Hamilton	43	Wife	—	Ohio
66	Edward Broughton	59	Head	—	Rhode Island
67	Cecilia Broughton	58	Wife	—	Mass.
68	Dorothy Broughton	37	Daughter	—	Mass.
69	Mildred Broughton	35	Daughter	—	Mass.
70	Cecilia Broughton	13	Daughter	—	Mass.
71	Francis Carroll	54	Head	Laborer	Turkey
72	Ellenora Carroll	40	Wife	Clerk	Turkey
73	Ellamae Carroll	19	Daughter	Stitcher	Mass.
74	Earnest Carroll	17	Son	—	Mass.
75	Basil Carroll	16	Son	—	Mass.
76	Arthur Walsh	26	Head	Clerk	Mass.
77	Alice Walsh	25	Wife	—	New York
78	Jean Walsh	5	Daughter	—	Mass.
79	Joseph Broughton	33	Brother-in-law	Proprietor	Mass.
80	Alice Donovan	49	Sister-in-law	Clerk	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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