Mary Fitzpatrick — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Fitzpatrick across the 1920, 1930 and 1940 US Censuses in Clinton-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 4-person household.

Age 60 b. ~1880 Female Spouse Born: Delaware Married

1940 Census Record Details

Census Year	1940
Location	Clinton-County, New York
Surname	Fitzpatrick
Given Name	Mary T.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Delaware
1935 Residence (City)	Plattsburgh City
1935 Residence (County)	Clinton
Additional Details
Income (1939)	0
Highest Grade	H-4
1935 Residence	Same place
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware
Township / Ward	Plattsburgh City
Est. Birth Year	~1880

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 Mary	Age	Birth yr
Frank Fitzpatrick	Head	—	62	~1878
James Traynor	Other	—	80	~1860
James Fitzpatrick	Son	—	23	~1917
Mary Fitzpatrick	Spouse	—	60	~1880

Census Appearances

1920

Clinton, New …

Spouse, age 39

Clinton, New York · implied b. ~1881 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Fitzpatrick
Given Name	Mary T.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Delaware
Father's Birthplace	Delaware
Mother's Birthplace	Delaware
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

1930

Clinton, New …

Spouse, age 49

Clinton, New York · implied b. ~1881 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Fitzpatrick
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Delaware
Age at First Marriage	21
Father's Birthplace	Delaware
Mother's Birthplace	Pennsylvania
Occupation	Nothing
Can Read/Write	Yes
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

1940

Clinton-County, New …

Spouse, age 60

Clinton-County, New York · implied b. ~1880 — 4 household members

Surname	Fitzpatrick
Given Name	Mary T.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Delaware
1935 Residence (City)	Plattsburgh City
1935 Residence (County)	Clinton
Income (1939)	0
Highest Grade	H-4
1935 Residence	Same place
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Fitzpatrick

Spouse · 1940 · age 60 · b. ~1880 · 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 — Clinton-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02517-00202)

Line	Name	Age	Relation	Occupation	Birthplace
1	John Finnigan	76	Head	—	New York
2	Orin Senecal	44	Son-in-law	Mail Carrier	New York
3	Helen F. Senecal	40	Daughter	—	New York
4	John Senecal	10	Grandson	—	New York
5	Thomas Senecal	8	Grandson	—	New York
6	Clara Senecal	76	Brother	—	New York
7	Frank Fitzpatrick	62	Head	Asst Engineer	New York
8	Mary T. Fitzpatrick THIS PERSON	60	Wife	—	Delaware
9	James A. Fitzpatrick	23	Son	—	New York
10	James A. Traynor	80	Father-in-law	Filing Clerk	Delaware
11	Simon E. Fitzpatrick	66	Head	Building Contractor	New York
12	Anne Fitzpatrick	66	Wife	—	New York
13	Beatrice Manor	20	Servant	House Servant	New York
14	Martin T. Fitzpatrick	34	Head	Office Manager	New York
15	Anne M. Fitzpatrick	34	Wife	—	New Jersey
16	Clara F. Fitzpatrick	9	Daughter	—	New York
17	M. Kathleen Fitzpatrick	3	Daughter	—	New York
18	F. Lee Nichols	42	Head	Stock Clerk	New York
19	Ida Nichols	44	Wife	Office Clerk	New York
20	Elizabeth Allen	82	Mother-in-law	—	New York
21	Dean Nicholey	39	Head	Repair Laborer (Auto Mechanic)	New York
22	Jenny A. Nicholey	67	Mother	—	New York
23	Leel S. Slocum	28	Lodger	Repairer Of Wooden Furniture	New York
24	Dorothy L. Slocum	25	Lodger	—	New York
25	Ronald L. Slocum	2	Lodger	—	New York
26	Helen H. Fifield	37	Head	—	New York
27	Helen M. Fifield	10	Daughter	—	New York
28	Nancy Anne Fifield	8	Daughter	—	New York
29	Harry Seymour	45	Head	Butcher	New York
30	Emma Seymour	46	Wife	—	New York
31	Walter Seymour	22	Son	Shoe Salesman	New York
32	Joseph E. Barnard	40	Head	Bookkeeper	New York
33	Rose A. Barnard	36	Wife	—	Vermont
34	Carol E. Barnard	8	Son	—	Vermont
35	Eunice May Barnard	5	Daughter	—	Vermont
36	William J. Lyons	29	Head	Inventory Clerk	New York
37	Dorothy F. Lyons	25	Wife	Sales Clerk	New York
38	William Jr. Lyons	4	Son	—	New York
39	Mary Lyons	65	Mother	Cook	New York
40	Katherine Lowther	60	Aunt	Cook	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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