Mary Mccormick — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Coshocton, Ohio

Our Model Tree links this Mary Mccormick across the 1920, 1930 and 1940 US Censuses in Coshocton, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1861), then head of a 3-person household.

Age 69 b. ~1861 Female Spouse Born: Ohio Married

1930 Census Record Details

Census Year	1930
Location	Coshocton, Ohio
Surname	McCormick
Given Name	Mary E.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	69
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	20
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Additional Details
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Keene Township
Est. Birth Year	~1861

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Melvil Mccormick	Head	—	70	~1860
Harry Mccormick	Son	—	35	~1895
Mary Mccormick	Spouse	—	69	~1861

Census Appearances

1920

Coshocton, Ohio

Spouse, age 57

Coshocton, Ohio · implied b. ~1863 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McCormick
Given Name	Mary E
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	57
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Coshocton, Ohio

Spouse, age 69

Coshocton, Ohio · implied b. ~1861 — 3 household members

Surname	McCormick
Given Name	Mary E.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	69
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	20
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Coshocton-County, Ohio

Other, age 79

Coshocton-County, Ohio · implied b. ~1861 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McCormack
Given Name	Mary E.
Relationship to Head	Mother-in-law
Sex	F
Color / Race	White
Age	79
Marital Status	Widowed
Birthplace	Ohio
1935 Residence (City)	Keene Twp.
1935 Residence (County)	Coshocton
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links Mary Mccormick 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 Mccormick

Spouse · 1930 · age 69 · b. ~1861 · 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 — Coshocton, Ohio Open full size

Page Contents

50 people indexed on this census page (ia:1930:ohiocensus00reel1758:0538)

Line	Name	Age	Relation	Occupation	Birthplace
51	Thomas L. Finley	53	Head	Farmer	Ohio
52	Georgia Finley	53	Wife	—	Ohio
53	Charles Mercer	43	Head	Miner	Ohio
54	Cora Mercer	38	Wife	—	Ohio
55	Francis Mercer	18	Son	Laborer	Ohio
56	Rosaland Mercer	15	Daughter	—	Ohio
57	Harry Mercer	10	Son	—	Ohio
58	Virginia Mercer	8	Daughter	—	Ohio
59	Billy Mercer	6	Son	—	Ohio
60	George Mercer	5	Son	—	Ohio
61	Mary Mercer	3	Daughter	—	Ohio
62	Jimmie Mercer	1	Son	—	Ohio
63	Richard Phelps	49	Head	Miner	Illinois
64	Naoma Phelps	47	Wife	—	Pennsylvania
65	Virgil Phelps	16	Son	—	Illinois
66	Albert Phelps	10	Son	—	West Virginia
67	Harvey Crawford	67	Head	Farmer	Ohio
68	Ella Crawford	65	Wife	—	Ohio
69	Frank Buck	36	Head	Farmer	Ohio
70	Rosy Buck	34	Wife	—	Ohio
71	Jane Myers	55	Mother	—	Ohio
72	F. William Schlarb	52	Head	Farmer	Ohio
73	Sarah Schlarb	50	Wife	—	Ohio
74	Margaret Schlarb	23	Daughter	—	Ohio
75	Ray N. Schlarb	19	Son	Laborer	Ohio
76	Glenn Schlarb	14	Son	—	Ohio
77	Albert Hamilton	61	Head	Farmer	Ohio
78	Elizabeth Hamilton	54	Wife	—	Ohio
79	Pearl Wills	47	Head	Laborer	Ohio
80	Nora Wills	44	Wife	—	Ohio
81	Ilimon Wills	20	Son	Barber	Ohio
82	Robert Wills	12	Son	—	Ohio
83	Cameron Wills	6	Son	—	Ohio
84	Rolland Mccormick	32	Head	Laborer	Ohio
85	Ruth Mccormick	32	Wife	—	Ohio
86	John Noble	46	Head	Laborer	Ohio
87	Stella Noble	51	Wife	—	Ohio
88	E. Evan Hamilton	67	Head	Farmer	Ohio
89	Cora Hamilton	56	Wife	—	Ohio
90	Lela Hamilton	23	Daughter	—	Ohio
91	Angeline Boyd	77	Mother-in-law	—	Ohio
92	Melvil C. Mccormick	70	Head	Farmer	Ohio
93	Mary E. Mccormick THIS PERSON	69	Wife	—	Ohio
94	Harry Mccormick	35	Son	Laborer	Ohio
95	Tracy Renfrew	42	Head	Farmer	Ohio
96	Gladys Renfrew	35	Wife	—	Ohio
97	Rodney Renfrew	7	Son	—	Ohio
98	Tracy Jr. Renfrew	5	Son	—	Ohio
99	Marcia Renfrew	4	Daughter	—	Ohio
100	J. Earl Shannon	50	Head	Farmer	Ohio

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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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