Mary Mcdermott — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Elko-County, Nevada

Our Model Tree links this Mary Mcdermott across the 1920, 1930 and 1940 US Censuses in Elko-County, Nevada (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 6-person household.

Age 50 b. ~1890 Female Spouse Born: Nebraska Married

1940 Census Record Details

Census Year	1940
Location	Elko-County, Nevada
Surname	McDermott
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Nebraska
1935 Residence (City)	Elko City
1935 Residence (County)	Elko
Additional Details
Occupation	Housework
Industry	Private Home
Class of Worker	PW
Income (1939)	0
Highest Grade	H 3
1935 Residence	Same Place
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska
Occupation	Housework
Township / Ward	Elko City
Est. Birth Year	~1890

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 Mary	Age	Birth yr
Melva Brown	Daughter	—	24	~1916
Dorothy Brown	Daughter	—	28	~1912
John Mcdermott	Head	—	65	~1875
Norman Brown	Other	—	10	~1930
Janet Brown	Other	—	4	~1936
Mary Mcdermott	Spouse	—	50	~1890

Census Appearances

1920

Elko, Nevada

Spouse, age 30

Elko, Nevada · implied b. ~1890 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McDermott
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	30
Marital Status	Married
Birthplace	Nebraska
Father's Birthplace	Kentucky
Mother's Birthplace	Iowa
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska

1930

Elko, Nevada

Spouse, age 40

Elko, Nevada · implied b. ~1890 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McDermott
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	40
Marital Status	Married
Birthplace	Nebraska
Age at First Marriage	19
Father's Birthplace	Kentucky
Mother's Birthplace	Iowa
Can Read/Write	Yes
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska

1940

Elko-County, Nevada

Spouse, age 50

Elko-County, Nevada · implied b. ~1890 — 6 household members

Surname	McDermott
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Nebraska
1935 Residence (City)	Elko City
1935 Residence (County)	Elko
Occupation	Housework
Industry	Private Home
Class of Worker	PW
Income (1939)	0
Highest Grade	H 3
1935 Residence	Same Place
Birth State	Nebraska
Birth Country	United States
Birthplace (normalized)	nebraska

Model Tree

Linked across censuses

Our Model Tree links Mary Mcdermott 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 Mcdermott

Spouse · 1940 · age 50 · b. ~1890 · Nevada

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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 — Elko-County, Nevada Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02277-00145)

Line	Name	Age	Relation	Occupation	Birthplace
1	Arnott Veitch	47	Head	Bookkeeper	Canada
2	Jewell L. Veitch	37	Wife	—	Utah
3	Cecil L. Jones	38	Head	Laborer	Nevada
4	Louise Jones	31	Wife	—	Nevada
5	Leslie Jones	9	Son	—	Nevada
6	Lewis Jones	9	Son	—	Nevada
7	Richard Jones	8	Son	—	Nevada
8	Robert Jones	5	Son	—	Nevada
9	John D. Strong	35	Head	Painter	Utah
10	Helen M. Strong	33	Head	Cook	Idaho
11	Lavon A. Weighall	18	Brother	—	Utah
12	Charles Sing	66	Head	Cook	China
13	Bert Stoddard	29	Head	Laborer Project	Nevada
14	Mabel Stoddard	29	Wife	Housework	Nevada
15	Bert Mccann	9	Father-in-law	—	Nevada
16	John A. Sanders	62	Head	Carpenter	Texas
17	Eliza Williams	55	Head	Cook	Louisiana
18	Claude Robert	73	Head	Bartender	Illinois
19	Yonosuke Aikoshi	56	Head	Dry Cleaner	Japan
20	Bryan Butcher	39	Head	Laborer	Kentucky
21	Theodore Nash	30	Head	Porter	Oklahoma
22	Helen Nash	37	Wife	Maid	Oklahoma
23	George Bergonan	49	Head	Cook	Spain
24	Lizzie Bergonan	40	Wife	Housework	Nevada
25	Mike Saqui	39	Head	Section Hand	Mexico
26	Arthur Matucci	49	Head	Dishwasher	Italy
27	Joe Young	73	Head	Plastering	Wisconsin
28	Eugene Pipolani	64	Head	House Mover	Italy
29	John Mcdermott	65	Head	Rancher	Nevada
30	Mary Mcdermott THIS PERSON	50	Wife	Housework	Nebraska
31	Dorothy Brown	28	Daughter	Waitress	Nevada
32	Melva Brown	24	Daughter	Waitress	Nevada
33	Norman Brown	10	Grandson	—	Nevada
34	Janet Brown	4	Granddaughter	—	Nevada
35	Excel Harrison	45	Head	Water Line	Arkansas
36	Miol Allin	45	Lodger	Washer	Kansas
37	Julio Postequi	38	Head	Barber	Spain
38	Dominica Postequi	30	Wife	—	Nevada
39	Anita Louise Postequi	2	Daughter	—	California
40	Julio Postequi	1	Son	—	California

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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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