William Mills — 1940 US Census Record

Model Tree available

1940 United States Federal Census · New-York-County, New York

Our Model Tree links this William Mills across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed), with identified parents Mary & Mary — first a head (b.~1907), then head of a 6-person household.

Age 33 b. ~1907 Male Head Born: New York Married

1940 Census Record Details

Census Year	1940
Location	New-York-County, New York
Surname	Mills
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	New York
1935 Residence (County)	New York
Additional Details
Occupation	44
Industry	Clerk
Class of Worker	Bank
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Occupation	44
Township / Ward	Ny City
Est. Birth Year	~1907

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.

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

Name	Relation to head	Relative to William	Age	Birth yr
Elizabeth Mills	Daughter	—	5	~1935
Florence Mills	Daughter	—	6	~1934
William Mills	Head	—	33	~1907
William Mills	Son	—	4	~1936
Frederick Mills	Son	—	2	~1938
Anna Mills	Spouse	—	39	~1901

Census Appearances

1920

New York, …

Son, age 12

New York, New York · implied b. ~1908 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mills
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	12
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

New York, …

Son, age 23

New York, New York · implied b. ~1907 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mills
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	23
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Occupation	Stone Maker
Industry	Factory
Class of Worker	W
Can Read/Write	Yes
Veteran	No
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

New-York-County, New …

Head, age 33

New-York-County, New York · implied b. ~1907 — 6 household members

Surname	Mills
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	New York
1935 Residence (County)	New York
Occupation	44
Industry	Clerk
Class of Worker	Bank
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Model Tree available

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

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

Mary Mills

b. ~1874

Source mother

● Household · direct · ~0.92

Mother

Mary Mills

b. ~1875

Source mother

● Household · direct · ~0.92

This person

Anchor record

William Mills

Head · 1940 · age 33 · b. ~1907 · New York

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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 — New-York-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02637-01011)

Line	Name	Age	Relation	Occupation	Birthplace
41	Joan E. Austin	4	Daughter	—	New York
42	Josephine E. Austin	3	Daughter	—	New York
43	Judith F. Austin	1	Daughter	—	New York
44	Felix Ahern	58	Head	—	Ireland
45	John J. Mcgrath	47	Head	52	New York
46	Margaret Mcgrath	41	Wife	—	Ireland
47	Michael J. Mcgrath	13	Son	—	New York
48	Margaret A. Mcgrath	11	Daughter	—	New York
49	John J. Jr. Mcgrath	6	Son	—	New York
50	Edward T. Mcgrath	4	Son	—	New York
51	William Mills THIS PERSON	33	Head	44	New York
52	Anna Mills	39	Wife	—	Scotland
53	Florence Mills	6	Daughter	—	New York
54	Elizabeth Mills	5	Daughter	—	New York
55	William Mills	4	Son	—	New York
56	Frederick Mills	2	Son	—	New York
57	Rosario Pirrello	52	Head	—	Italy
58	Andrew Pirrello	25	Son	44	New York
59	Argentina Pirrello	24	Daughter	40	New York
60	Giovana Pirrello	20	Daughter	44	New York
61	Matthew Paul	57	Head	0	New York
62	Agnes Paul	58	Wife	—	Germany
63	Lillian Paul	27	Daughter	45	New York
64	Vincent Paul	24	Son	36	New York
65	Thomas Paul	20	Son	44	New York
66	Andrew Paul	17	Son	0	New York
67	Nicholas Apostolakos	52	Head	Cook	Greece
68	Antonia Apostolakos	40	Wife	—	Greece
69	Angelia Apostolakos	5	Daughter	—	New York
70	Thomas Muehall	43	Head	40	New York
71	Beatrice Muehall	40	Wife	48	New York
72	William Muehall	20	Son	60	New York
73	Margaret Muehall	20	Daughter	55	New York
74	John Muehall	15	Son	—	New York
75	Regina Muehall	6	Daughter	—	New York
76	John Buono	44	Head	Cobbler	Italy
77	Charlina Buono	30	Wife	0	New York
78	Joseph Buono	14	Son	0	New York
79	Angelina Buono	12	Daughter	—	New York
80	John Jr. Buono	5	Son	—	New York

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Pedigree Summary

William

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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