Mary Lyons — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Lyons across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 2-person household.

Age 55 b. ~1885 Female Head Born: Ireland Widowed

1940 Census Record Details

Census Year	1940
Location	Kings-County, New York
Surname	Lyons
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	55
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	Brooklyn
1935 Residence (County)	Kings
Naturalization Status	Naturalized
Additional Details
Occupation	Apt. Supt.
Industry	Same Apt. House
Class of Worker	PW
Income (1939)	400
Highest Grade	No 5
1935 Residence	New York
Birth Country	Ireland
Birthplace (normalized)	ireland
Occupation	Apt. Supt.
Township / Ward	New York City
Est. Birth Year	~1885

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Catherine Lyons	Daughter	—	32	~1908
Mary Lyons	Head	—	55	~1885

Census Appearances

1920

New York, …

Head, age 34

New York, New York · implied b. ~1886 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lyons
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	34
Marital Status	Widowed
Birthplace	Ireland
Year of Immigration	1904
Naturalization Status	Alien
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Laundress
Industry	Private
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Home Owned/Rented	R
Birth Country	Ireland
Birthplace (normalized)	ireland

1930

Kings, New …

Head, age 45

Kings, New York · implied b. ~1885 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Lyons
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	45
Marital Status	Widowed
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1905
Age at First Marriage	22
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	R
Home Value / Rent	32
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

Kings-County, New …

Head, age 55

Kings-County, New York · implied b. ~1885 — 2 household members

Surname	Lyons
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	55
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	Brooklyn
1935 Residence (County)	Kings
Naturalization Status	Naturalized
Occupation	Apt. Supt.
Industry	Same Apt. House
Class of Worker	PW
Income (1939)	400
Highest Grade	No 5
1935 Residence	New York
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Lyons

Head · 1940 · age 55 · b. ~1885 · 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 — Kings-County, New York Open full size

Page Contents

35 people indexed on this census page (nara:1940:m-t0627-02581-00690)

Line	Name	Age	Relation	Occupation	Birthplace
2	Elizabeth C. Collins	65	Head	—	Netherlands
3	C. Joan Bedraux	25	Head	Chief Bookkeeper	Netherlands
4	Robert Betts	45	Head	Sheet Metal Worker	Tennessee
5	Geneva B. Betts	41	Wife	—	Penna.
6	Thomas T. Kelly	49	Head	Runner	New York
7	Ann Kelly	38	Wife	Clerk	Same
8	Peter B. Lawrence	28	Head	Car Sweep	Ohio
9	Anna Pida	25	Head	Counter Girl	Penna
10	Mary Pida	21	Sister	Order Clerk	Same
11	Michael Pida	18	Brother	—	Same
12	Mary Lyons THIS PERSON	55	Head	Apt. Supt.	Ireland
13	Catherine E. Lyons	32	Daughter	Clerk	New York
15	Isidore Weinstein	45	Head	Salesman	Germany
16	Gertrude Weinstein	33	Wife	—	Germany
17	Irene Urban	38	Head	Housework	New York
18	Douglas Wilkens	47	Head	Statistical Clk.	New York
19	Mary Mimnaugh	63	Head	Glove Repairs	Same
21	Charles Jr. Brady	30	Head	Salesman	New York
22	George Prehn	50	Head	Office Clerk	Germany
23	Elsie Rodriguez	37	Head	Telephone Opr	New York
24	Carolina Daponte	32	Friend	Telephone Opr	Rhode Island
25	Harry Ghiold	54	Head	Social Invest.	Italy
26	Harry Jr. Ghiold	27	Son	Bus. Partner	New York
29	Wadia Daas	58	Head	—	Syria
30	Alice B. Daas	34	Daughter	Key Punch Opr.	New York
31	Alexandria Daas	32	Daughter	Telephone Opr	New York
32	Josephine Daas	30	Daughter	Key Punch Opr.	New York
33	Mary Daas	26	Daughter	Key Punch Opr.	New York
34	James L. Coady	49	Head	Salesman	Newfoundland
35	Regina M. Coady	47	Wife	—	Newfoundland
36	Helen Coady	22	Daughter	Stenog.	New York
37	Marguerite Coady	20	Daughter	Salesgirl	New York
38	James Coady	18	Son	—	New York
39	Edward F. Coady	16	Son	—	New York
40	Regina T. Coady	13	Daughter	—	New York

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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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