Mary Dugan — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · New-Castle-County, Delaware

Our Model Tree links this Mary Dugan across the 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 7-person household.

Age 54 b. ~1886 Female Spouse Born: Delaware Married

1940 Census Record Details

Census Year	1940
Location	New-Castle-County, Delaware
Surname	Dugan
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	54
Marital Status	Married
Birthplace	Delaware
1935 Residence (City)	Wilmington
1935 Residence (County)	New Castle
Additional Details
Highest Grade	No 8
1935 Residence	Same place
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware
Township / Ward	Wilmington
Est. Birth Year	~1886

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Dugan	Spouse	—	54	~1886
Thomas Dugan	Head	—	54	~1886
Allen Dugan	Son	—	26	~1914
Mary Dugan	Daughter	—	21	~1919
Harry Dugan	Son	—	29	~1911
Joseph Dugan	Son	—	19	~1921
Helen Dugan	Daughter	—	15	~1925

Census Appearances

1920

Delaware, Pennsylvania

Spouse, age 33

Delaware, Pennsylvania · implied b. ~1887 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Dugan
Given Name	Mary H.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Delaware
Father's Birthplace	Delaware
Mother's Birthplace	New Jersey
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

1930

Delaware, Pennsylvania

Spouse, age 44

Delaware, Pennsylvania · implied b. ~1886 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Dugan
Given Name	Mary H
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Delaware
Age at First Marriage	19
Father's Birthplace	Delaware
Mother's Birthplace	New Jersey
Can Read/Write	Yes
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

1940

New-Castle-County, Delaware

Spouse, age 54

New-Castle-County, Delaware · implied b. ~1886 — 7 household members

Surname	Dugan
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	54
Marital Status	Married
Birthplace	Delaware
1935 Residence (City)	Wilmington
1935 Residence (County)	New Castle
Highest Grade	No 8
1935 Residence	Same place
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

Model Tree

Linked across censuses

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

Show:

This person

Anchor record

Mary Dugan

Spouse · 1940 · age 54 · b. ~1886 · Delaware

★ You are viewing this record

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

Original Census Page

1940 US Federal Census — New-Castle-County, Delaware Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00549-00179)

Line	Name	Age	Relation	Occupation	Birthplace
41	Michael Sykora	20	Son	Laborer	Delaware
42	Doris Sykora	9	Daughter	—	Delaware
43	Stephen Sykora	52	Head	Laborer	Delaware
44	Elizabeth Sykora	51	Wife	—	Delaware
45	Brother Theodore	None	M	Railroad Co	—
46	John Theodore	18	Brother	Core Maker	Delaware
47	John Salthoff	59	Head	Mail Clerk	Delaware
48	Edna Salthoff	55	Wife	—	Maryland
49	Ruth Salthoff	25	Daughter	New Worker	Maryland
50	Clifton Salthoff	19	Son	Clerk	Delaware
51	Thomas Dugan	54	Head	Foreman	Delaware
52	Mary Dugan THIS PERSON	54	Wife	—	Delaware
53	Harry Dugan	29	Son	Laborer	Delaware
54	Allen Dugan	26	Son	Laborer	Delaware
55	Mary Dugan	21	Daughter	—	Delaware
56	Joseph Dugan	19	Son	New Worker	Delaware
57	Helen Dugan	15	Daughter	—	Delaware
58	George Hamilton	43	Head	Sergeant	Delaware
59	Elva Hamilton	42	Wife	—	Delaware
60	Ruth Hamilton	14	Daughter	—	Delaware
61	George Jr. Hamilton	12	Son	—	Delaware
62	Raymond Hamilton	11	Son	—	Delaware
63	Kenneth Hamilton	7	Son	—	Delaware
64	Barbara Hamilton	4	Daughter	—	Delaware
65	Delbert Anderson	43	Head	Yard Man	Maryland
66	Elsie Anderson	42	Wife	—	Maryland
67	Eugene Anderson	17	Son	—	Maryland
68	Alfred Anderson	15	Son	—	Maryland
69	Anita Anderson	11	Daughter	—	Maryland
70	Thomas White	49	Head	Fireman	Delaware
71	Beatrice White	48	Wife	—	Delaware
72	Thomas Iii White	27	Son	Laborer	Delaware
73	Elnora White	26	Daughter	—	Delaware
74	Curtis White	23	Son	Inspector	Delaware
75	Beatrice L. White	20	Daughter	New Worker	Delaware
76	Elwood Leach	41	Head	Collector	Delaware
77	Francis Leach	45	Wife	—	Delaware
78	Elwood Jr. Leach	19	Son	Laborer	Delaware
79	Elizabeth Steward	20	Daughter	Childs Nurse	Delaware
80	Ellen Girder	62	Head	—	Delaware

Search for Mary Dugan

All Mary Dugan Census Records Discover Dugan Family Tree

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)

Report inaccurate data