Mary Mcdonnell — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Lucas, Ohio

Our Model Tree links this Mary Mcdonnell across the 1920 and 1930 US Censuses in Lucas, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 5-person household.

Age 51 b. ~1879 Female Spouse Born: Ohio Married

1930 Census Record Details

Census Year	1930
Location	Lucas, Ohio
Surname	McDonnell
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	22
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Additional Details
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Washington Township
Est. Birth Year	~1879

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.

5 people recorded at the same address in the 1930 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
James Mcdonnell	Son	—	19	~1911
Anna Mcdonnell	Daughter	—	24	~1906
Francis Mcdonnell	Son	—	13	~1917
Patrick Mcdonnell	Head	—	54	~1876
Mary Mcdonnell	Spouse	—	51	~1879

Census Appearances

1920

Lucas, Ohio

Spouse, age 40

Lucas, Ohio · implied b. ~1880 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McDonnell
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	40
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Lucas, Ohio

Spouse, age 51

Lucas, Ohio · implied b. ~1879 — 5 household members

Surname	McDonnell
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	22
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links Mary Mcdonnell across 2 US Census years (1920 and 1930) in Lucas, Ohio, using XGBoost record linkage.

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This person

Anchor record

Mary Mcdonnell

Spouse · 1930 · age 51 · b. ~1879 · Ohio

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

Original Census Page

1930 US Federal Census — Lucas, Ohio Open full size

Page Contents

50 people indexed on this census page (ia:1930:ohiocensus00reel1840:0962)

Line	Name	Age	Relation	Occupation	Birthplace
1	John Wells	34	Head	Painter	Ohio
2	Hazel Wells	32	Wife	—	Michigan
3	Clarence E. Mccallum	41	Head	Commercial Traveler	Ohio
4	Florence Mccallum	42	Wife	—	Pennsylvania
5	Emanuel French	44	Head	Boiler Maker	Michigan
6	Edith French	41	Wife	—	Michigan
7	Robert French	18	Son	—	Michigan
8	Russell French	16	Son	—	Michigan
9	Margaret French	14	Daughter	—	Michigan
10	Walter French	13	Son	—	Michigan
11	Ronald French	11	Son	—	Michigan
12	Eva Small	54	Mother-in-law	—	Michigan
13	Lydia Small	31	Sister-in-law	—	Michigan
14	John Dean	53	Head	Foreman	Ohio
15	Mamie Dean	50	Wife	—	Ohio
16	George Hengren	53	Head	Machinist	Pennsylvania
17	Ida Hengren	51	Wife	—	Pennsylvania
18	Florence Hengren	21	Daughter	—	Ohio
19	William Burke	54	Head	Shipping Clerk	Pennsylvania
20	William Ackley	26	Head	—	Indiana
21	Marie Ackley	25	Wife	—	Michigan
22	Patrick Mcdonnell	54	Head	—	Irish Free State
23	Mary Mcdonnell THIS PERSON	51	Wife	—	Ohio
24	Anna Mcdonnell	24	Daughter	Typist	Michigan
25	James Mcdonnell	19	Son	—	Michigan
26	Francis Mcdonnell	13	Son	—	Michigan
27	Fredrick Emmons	33	Head	—	Germany
28	Sophie Emmons	33	Wife	—	Germany
29	Benjamin Tail	60	Head	Accountant	Indiana
30	Bessie Tail	58	Wife	—	Indiana
31	Arthur Raymond Prudy	35	Head	Mgr. & Treas.	Ohio
32	May Rose Prudy	14	Daughter	—	Ohio
33	Ethel Prudy	12	Daughter	—	Ohio
34	Robert Prudy	8	Son	—	Ohio
35	Anna Bruman	70	Aunt	—	Ohio
36	William Bruman	72	Uncle	—	Michigan
37	William H. Bruman	51	Head	Foreman	Ohio
38	Alice Bruman	51	Wife	—	Pennsylvania
39	Harry Shutter	28	Head	Laborer	Washington
40	Gertrude Shutter	27	Wife	—	Ohio
41	Betty Shutter	3	Daughter	—	Ohio
42	Sam Garr	45	Head	Merchant	Ohio
43	Julia Garr	43	Wife	—	Ohio
44	Donald Garr	16	Son	—	Ohio
45	Charles Millendorf	46	Head	Painter	Kentucky
46	Angeline Millendorf	44	Wife	—	New York
47	Grace Millendorf	20	Daughter	—	New York
48	Earl Millendorf	17	Son	—	New York
49	Robert Millendorf	14	Son	—	Ohio
50	Jean Millendorf	4	Daughter	—	New York

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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