Mary Frey — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Scioto-County, Ohio

Our Model Tree links this Mary Frey across the 1920, 1930 and 1940 US Censuses in Scioto-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1863), then head of a 2-person household.

Age 77 b. ~1863 Female Head Born: Ohio Widowed

1940 Census Record Details

Census Year	1940
Location	Scioto-County, Ohio
Surname	Frey
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	77
Marital Status	Widowed
Birthplace	Ohio
1935 Residence (City)	Porter Twp
1935 Residence (County)	Scioto
Additional Details
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Porter Twp
Est. Birth Year	~1863

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
George Frey	Son	—	51	~1889
Mary Frey	Head	—	77	~1863

Census Appearances

1920

Scioto, Ohio

Spouse, age 57

Scioto, Ohio · implied b. ~1863 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Frey
Given Name	Mary
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

Scioto, Ohio

Head, age 67

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

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Frey
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	67
Marital Status	Widowed
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	5000
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Scioto-County, Ohio

Head, age 77

Scioto-County, Ohio · implied b. ~1863 — 2 household members

Surname	Frey
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	77
Marital Status	Widowed
Birthplace	Ohio
1935 Residence (City)	Porter Twp
1935 Residence (County)	Scioto
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 Frey 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 Frey

Head · 1940 · age 77 · b. ~1863 · Ohio

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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 — Scioto-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03142-00055)

Line	Name	Age	Relation	Occupation	Birthplace
1	Winnabald Montavon	53	Head	Carpenter	Ohio
2	Mayme Montavon	48	Wife	—	Ohio
3	Carl Montavon	20	Son	Farm Hand	Ohio
4	Raymond Montavon	19	Son	Farm Hand	Ohio
5	Albert Montavon	17	Son	—	Ohio
6	Rosemary Montavon	15	Daughter	—	Ohio
7	Edgar Montavon	14	Son	—	Ohio
8	Norma Montavon	10	Daughter	—	Ohio
9	Harold Montavon	8	Son	—	Ohio
10	Helen Montavon	6	Daughter	—	Ohio
11	Henry Frische	53	Brother-in-law	—	Ohio
12	Rose Frische	43	Sister-in-law	Collector	Ohio
13	William H. Weidner	71	Head	—	West Va
14	Florence Weidner	62	Wife	—	Ohio
15	Emerson Weidner	23	Head	Farmer	Ohio
16	Betty Weidner	19	Wife	—	Ohio
17	Mary Frey THIS PERSON	77	Head	—	Ohio
18	George Frey	51	Son	Farmer	Ohio
19	Clarence Evans	34	Head	Electrician	Ohio
20	Wilma Evans	33	Wife	—	Ohio
21	Roberta Evans	14	Daughter	—	Ohio
22	Robert Evans	12	Son	—	Ohio
23	Edward Evans	10	Son	—	Ohio
24	James Evans	8	Son	—	Ohio
25	Bernard Evans	6	Son	—	Ohio
26	Wallace Evans	4	Son	—	Ohio
27	Donald Evans	3	Son	—	Ohio
28	William R. Riegel	64	Head	Farmer	Ohio
29	Wilhelmina Riegel	67	Wife	—	Ohio
30	Willis Kayser	29	Head	Foundry Man	Ohio
31	Anna Kayser	27	Wife	—	Ohio
32	Leonard Yeley	32	Head	Laborer	Ohio
33	Corbie Yeley	25	Wife	—	West Va
34	Barbara Yeley	5	Daughter	—	Ohio
35	Kathryn Ailer	29	Head	—	Ohio
36	Naomi Ailer	14	Daughter	—	Ohio
37	Virginia Ailer	11	Daughter	—	Ohio
38	Edna Ailer	9	Daughter	—	Ohio
39	Leonard Ailer	7	Son	—	Ohio
40	James Ailer	4	Son	—	Ohio

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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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