Mary Leary — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Leary across the 1930 and 1940 US Censuses in Broome-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 5-person household.

Age 21 b. ~1919 Female Daughter Born: New York Single

1940 Census Record Details

Census Year	1940
Location	Broome-County, New York
Surname	Leary
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	21
Marital Status	Single
Birthplace	New York
1935 Residence (City)	Johnson City Village
1935 Residence (County)	Broome
Additional Details
Occupation	Sales lady
Industry	Department store
Class of Worker	PW
Hours Worked	52
Income (1939)	0
Highest Grade	H 4
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Occupation	Salesperson
Township / Ward	Johnson City Village
Est. Birth Year	~1919

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 Mary	Age	Birth yr
Joseph Leary	Head	—	49	~1891
Jane Leary	Daughter	—	17	~1923
Mary Leary	Daughter	—	21	~1919
Joseph Leary	Son	—	19	~1921
Jane Leary	Spouse	—	50	~1890

Census Appearances

1930

Broome, New …

Daughter, age 10

Broome, New York · implied b. ~1920 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Leary
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	10
Marital Status	Single
Birthplace	New York
Father's Birthplace	Pennsylvania
Mother's Birthplace	New York
Occupation	none
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Broome-County, New …

Daughter, age 21

Broome-County, New York · implied b. ~1919 — 5 household members

Surname	Leary
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	21
Marital Status	Single
Birthplace	New York
1935 Residence (City)	Johnson City Village
1935 Residence (County)	Broome
Occupation	Sales lady
Industry	Department store
Class of Worker	PW
Hours Worked	52
Income (1939)	0
Highest Grade	H 4
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Leary

Daughter · 1940 · age 21 · b. ~1919 · New York

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Sibling

Jane Leary

Sibling · 1940 · age 17

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Joseph Leary

Sibling · 1940 · age 19

Source co-child of head (derived)

● Co-child · derived · ~0.88

Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Broome-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02503-00402)

Line	Name	Age	Relation	Occupation	Birthplace
41	Elizabeth J. Ross	10	Daughter	—	Pennsylvania
42	Susan Ross	61	Mother	—	Pennsylvania
43	Kerope Ketchoyan	49	Head	Pull Over	Armenia
44	Anna Ketchoyan	41	Wife	—	Armenia
45	Agnes Ketchoyan	22	Daughter	Stenographer	New York
46	Vahan Ketchoyan	14	Son	—	New York
47	Michael Hallen	39	Brother-in-law	Crowner	Armenia
48	Joseph Leary	49	Head	Upper Cutter	Pennsylvania
49	Jane Leary	50	Wife	—	New York
50	Mary Leary THIS PERSON	21	Daughter	Sales Lady	New York
51	Joseph Leary	19	Son	Oven Man	New York
52	Jane Leary	17	Daughter	—	New York
53	Herbert Kunkle	40	Head	Crowner	Pennsylvania
54	Edna Kunkle	37	Wife	—	Pennsylvania
55	Herbert Kunkle	15	Son	—	New York
56	Harold Francis	44	Lodger	Foreman	Pennsylvania
57	Helena Jones	39	Head	Stitcher	New York
58	Evelyn Jones	14	Daughter	—	New York
59	Eleanor Jones	13	Daughter	—	New York
60	Thomas Jones	7	Son	—	New York
61	Kenneth Elliott	26	Head	Baker	New York
62	Doris Elliott	31	Wife	—	New York
63	Clifford Crouch	29	Head	Heeler	New York
64	Lois Crouch	31	Wife	—	New York
65	Joyce Crouch	9	Daughter	—	New York
66	Peggy Crouch	6	Daughter	—	New York
67	Raymond Crouch	3	Son	—	New York
68	Kate Carpenter	64	Head	—	New York
69	Maude Carpenter	41	Daughter	Registered Nurse	New York
70	Russell Rolmus	39	Head	Bed Laster	Pennsylvania
71	Rena Rolmus	43	Wife	—	New York
72	Russell Jr. Rolmus	10	Son	—	New York
73	Marilyn Rolmus	7	Daughter	—	New York
74	Roy Johnson	31	Head	Hand Arc	Pennsylvania
75	Ethel Johnson	23	Wife	Press Operator	Pennsylvania
76	Paul Johnson	25	Brother	Hand Arc	Pennsylvania
77	Milton Crouch	58	Head	Side Laster	New York
78	Edith Crouch	56	Wife	—	New York
79	Martin Woods	72	Head	—	Pennsylvania
80	Harrison Doughty	76	Brother	—	Pennsylvania

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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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