Katherine Sullivan — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Katherine Sullivan across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 4-person household.

Age 68 b. ~1872 Female Head Born: Ireland Widowed

1940 Census Record Details

Census Year	1940
Location	New-York-County, New York
Surname	Sullivan
Given Name	Katherine
Relationship to Head	Head
Sex	F
Color / Race	White
Age	68
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	Manhattan
1935 Residence (County)	New York
Naturalization Status	Naturalized
Additional Details
Highest Grade	8
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland
Township / Ward	Manhattan
Est. Birth Year	~1872

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.

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

Name	Relation to head	Relative to Katherine	Age	Birth yr
Katherine Sullivan	Head	—	68	~1872
Peter Sullivan	Son	—	36	~1904
Madeline Sullivan	Daughter	—	33	~1907
Aloysius Sullivan	Son	—	24	~1916

Census Appearances

1920

New York, …

Spouse, age 50

New York, New York · implied b. ~1870 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Sullivan
Given Name	Kate
Relationship to Head	wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Ireland
Year of Immigration	1882
Naturalization Status	Naturalized
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1930

New York, …

Spouse, age 58

New York, New York · implied b. ~1872 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Sullivan
Given Name	Kate
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	58
Marital Status	Married
Birthplace	Ireland
Year of Immigration	1896
Age at First Marriage	23
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Housework
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

New-York-County, New …

Head, age 68

New-York-County, New York · implied b. ~1872 — 4 household members

Surname	Sullivan
Given Name	Katherine
Relationship to Head	Head
Sex	F
Color / Race	White
Age	68
Marital Status	Widowed
Birthplace	Ireland
1935 Residence (City)	Manhattan
1935 Residence (County)	New York
Naturalization Status	Naturalized
Highest Grade	8
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

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

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This person

Anchor record

Katherine Sullivan

Head · 1940 · age 68 · b. ~1872 · 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-t0627-02641-00304)

Line	Name	Age	Relation	Occupation	Birthplace
41	Martha Harlin	58	Head	Housekeeper	Germany
42	Benny Barach	28	Lodger	Furrier	Russia
43	Helmut Kusser	30	Lodger	Counterman	Germany
44	Maurice Cohen	35	Lodger	Salesman	Russia
45	Joseph Fischer	48	Lodger	Floor Manager	Russia
46	Jack Freulich	45	Lodger	—	Russia
47	Norma Parker	45	Lodger	Finisher	New Hampshire
48	Hermine De Valle	54	Head	Counterman	Cuba
49	Jacob Reitman	29	Lodger	Furrier	Austria
50	Eva Puk	44	Lodger	—	Germany
51	Martha Grobner	37	Lodger	Salesman	Germany
52	Samuel Reimann	30	Lodger	New Worker	Germany
53	Herman Reimann	28	Lodger	New Worker	Germany
54	Louis Molapus	58	Head	Contractor	Russia
55	Anna Molapus	47	Wife	—	Russia
56	Lillian Molapus	16	Daughter	—	New York
57	Chester Molapus	11	Son	—	New York
58	Max Farkas	31	Son-in-law	Waiter	Hungary
59	Bessie Farkas	27	Wife	Waitress	Russia
60	Arlene Farkas	3	Daughter	—	New York
61	Sarah Korytt	40	Lodger	Dressmaker	Russia
62	Katherine Sullivan THIS PERSON	68	Head	—	Ireland
63	Peter Sullivan	36	Son	Mechanic	New York
64	Madeline Sullivan	33	Daughter	Researcher	New York
65	Aloysius Sullivan	24	Son	Clerical Worker	New York
66	Henry Densen	51	Head	Dentist	Poland Russia
67	Lillian Densen	47	Wife	—	Poland Russia
68	Charlotte Densen	17	Daughter	—	New York
69	Marie Densen	14	Daughter	—	New York
70	Francis Densen	74	Grandmother	—	Poland Russia
71	Delma Denney	19	Maid	Housework	Germany
72	Mary T. Davis	58	Head	Teacher	New York
73	Katherine Gallagher	66	Sister	—	New York
74	Isaac Duttenner	25	Head	—	Russia
75	Sonia Duttenner	22	Wife	—	Russia
76	Adolph Spard	60	Head	Lamp Worker	Russia
77	Jennie Spard	55	Wife	—	Russia
78	Phyllis Spard	54	Daughter	Dictaphone Operator	New York
79	Sylvia Spard	29	Daughter	Junior Grade Clerk	New York
80	Morris Elbert	41	Son-in-law	Real Estate Broker	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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