Mary Donovan — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Donovan across the 1920, 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 6-person household.

Age 47 b. ~1893 Female Spouse Born: Delaware Married

1940 Census Record Details

Census Year	1940
Location	New-Castle-County, Delaware
Surname	Donovan
Given Name	Mary E
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Delaware
1935 Residence (City)	Wilmington
1935 Residence (County)	New Castle
Additional Details
Highest Grade	H 4
1935 Residence	Delaware
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware
Township / Ward	Wilmington City
Est. Birth Year	~1893

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
Philice Donovan	Daughter	—	15	~1925
Margaret Donovan	Daughter	—	18	~1922
Mary Donovan	Daughter	—	22	~1918
James Donovan	Head	—	52	~1888
James Donovan	Son	—	20	~1920
Mary Donovan	Spouse	—	47	~1893

Census Appearances

1920

New Castle, …

Spouse, age 26

New Castle, Delaware · implied b. ~1894 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Donovan
Given Name	Mary C
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Delaware
Father's Birthplace	Ireland
Mother's Birthplace	England
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Irish
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

1930

New Castle, …

Spouse, age 37

New Castle, Delaware · implied b. ~1893 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Donovan
Given Name	Mary J
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	37
Marital Status	Married
Birthplace	Delaware
Age at First Marriage	25
Father's Birthplace	Irish Free State
Mother's Birthplace	Irish Free State
Can Read/Write	Yes
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

1940

New-Castle-County, Delaware

Spouse, age 47

New-Castle-County, Delaware · implied b. ~1893 — 6 household members

Surname	Donovan
Given Name	Mary E
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Delaware
1935 Residence (City)	Wilmington
1935 Residence (County)	New Castle
Highest Grade	H 4
1935 Residence	Delaware
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

Model Tree

Linked across censuses

Our Model Tree links Mary Donovan 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 Donovan

Spouse · 1940 · age 47 · b. ~1893 · Delaware

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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-Castle-County, Delaware Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00550-00550)

Line	Name	Age	Relation	Occupation	Birthplace
1	David E Capril	57	Head	Secretary	Delaware
2	Ethel M Capril	55	Wife	—	Delaware
3	Margaret M Capril	23	Daughter	Secretary	Delaware
4	Stroud J Horn	74	Head	Secretary	Delaware
5	Mattie P Horn	47	Wife	—	Maryland
6	Thomas E Davis	41	Head	Accountant	Virginia
7	Grace E Davis	39	Wife	—	Virginia
8	Thomas J Davis	19	Son	—	Virginia
9	William C Backus	48	Head	Asst Purchasing Agt	Virginia
10	Beulah G Backus	48	Wife	—	Virginia
11	William E Backus	23	Son	—	Virginia
12	Richard E Mcmullen	72	Head	Mfg'S Agent	Delaware
13	Florence H Mcmullen	70	Wife	—	Delaware
14	Gertrude K Hutchison	66	Sister	—	Delaware
15	John E Jr Healy	45	Head	Vice President	Delaware
16	Ann M Healy	50	Sister	Treasurer	Delaware
17	Margaret Lynch	44	Sister	—	Delaware
18	John E Iii Healy	23	Nephew	—	Delaware
19	Thomas J Healy	21	Nephew	—	Delaware
20	John E Mccall	42	Head	Clerk	Delaware
21	Marie C Mccall	41	Wife	—	Delaware
22	John J Mccall	10	Son	—	Delaware
23	Dolores M Mccall	11	Daughter	—	Delaware
24	Isabel Robertson	68	Head	Gardener	Scotland
25	Minnie Robertson	65	Wife	—	England
26	Minnie Robertson	26	Daughter	Secretary	Pennsylvania
27	John B Grant	58	Head	Teacher	Delaware
28	Mary E Grant	58	Sister	—	Delaware
29	Margaret Lyons	31	Lodger	Nurse	Pennsylvania
30	Ralph Bunting	44	Head	Painter	Delaware
31	Rose Bunting	42	Wife	—	Delaware
32	Margaret Bunting	79	Mother	—	Delaware
33	Willard Bunting	42	Brother	Pattern Maker	Delaware
34	Susan Elizabeth Bunting	84	Aunt	—	Delaware
35	James J Donovan	52	Head	Agent	Missouri
36	Mary E Donovan THIS PERSON	47	Wife	—	Delaware
37	Mary E Donovan	22	Daughter	Bookkeeping	Delaware
38	James J Donovan	20	Son	—	Delaware
39	Margaret E Donovan	18	Daughter	—	Delaware
40	Philice M Donovan	15	Daughter	—	Delaware

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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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