John Frey — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Montgomery, Ohio

Our Model Tree links this John Frey across the 1920, 1930 and 1940 US Censuses in Montgomery, Ohio (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 3-person household.

Age 60 b. ~1870 Male Head Born: Ohio Married

1930 Census Record Details

Census Year	1930
Location	Montgomery, Ohio
Surname	Frey
Given Name	John E.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	21
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Additional Details
Occupation	Superintendent
Industry	Autographic Registers
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	7,000
Home Value / Rent	R
Veteran	R
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Superintendent
Township / Ward	Dayton City
Est. Birth Year	~1870

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 John	Age	Birth yr
Edward Frey	Son	—	26	~1904
Lena Frey	Spouse	—	60	~1870
John Frey	Head	—	60	~1870

Census Appearances

1920

Montgomery, Ohio

Other, age 51

Montgomery, Ohio · implied b. ~1869 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Frey
Given Name	John
Relationship to Head	Brother-in-law
Sex	M
Color / Race	White
Age	51
Marital Status	Widowed
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Collector
Industry	Lumber Co.
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Montgomery, Ohio

Head, age 60

Montgomery, Ohio · implied b. ~1870 — 3 household members

Surname	Frey
Given Name	John E.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	21
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Superintendent
Industry	Autographic Registers
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	7,000
Home Value / Rent	R
Veteran	R
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Montgomery-County, Ohio

Other, age 70

Montgomery-County, Ohio · implied b. ~1870 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Frey
Given Name	John
Relationship to Head	Father in Law
Sex	M
Color / Race	White
Age	70
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Dayton
1935 Residence (County)	Montgomery
Occupation	Research
Industry	Cash Register Manufacturer
Class of Worker	PW
Hours Worked	50
Income (1939)	2500
Highest Grade	No 8
1935 Residence	Ohio
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links John 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

John Frey

Head · 1930 · age 60 · b. ~1870 · 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 — Montgomery, Ohio Open full size

Page Contents

50 people indexed on this census page (ia:1930:ohiocensus00reel1854:0251)

Line	Name	Age	Relation	Occupation	Birthplace
1	—	42	—	Agent	—
2	—	32	Wife	—	—
3	—	3	Son	—	Poland
4	—	1	Daughter	—	Poland
5	—	0	Son	—	Poland
6	—	0	Daughter	—	Poland
7	—	35	Servant	Servant	—
8	Von Berge	58	Head	Literary	Germany
9	Von Berge	55	Wife	—	Switzerland
10	Von Berge	30	Son	Salesman	Connecticut
11	Von Berge	29	Daughter	—	Connecticut
12	Lucius P. Boss	56	Head	Manager	Ohio
13	Clara H. Boss	53	Wife	—	Ohio
14	Kay	49	Head	Plasterer	—
15	Kay	49	Wife	—	—
16	Kay	18	Son	—	Scotland
17	Henry Grosnickle	41	Head	Manager	Ohio
18	Grosnickle	37	Wife	Advertiser	Connecticut
19	Grosnickle	11	Son	—	Connecticut
20	Grosnickle	10	Son	—	Connecticut
21	Grosnickle	8	Daughter	—	England
22	Robert W. Hammond	33	Head	Secy And Treasurer	Illinois
23	Hammond	33	Wife	—	Ohio
24	Hammond	7	Daughter	—	Illinois
25	Hammond	4	Daughter	—	Illinois
26	Joseph Sherr	44	Head	Wholesale Fruiter	Russia
27	Sherr	42	Wife	—	Russia
28	Sherr	21	Son	—	Ohio
29	Sherr	19	Son	—	Ohio
30	Sherr	17	Daughter	—	Ohio
31	Sherr	13	Son	—	Ohio
32	Sherr	10	Son	—	Ohio
33	—	41	Servant	Servant	South Carolina
34	John E. Frey THIS PERSON	60	Head	Superintendent	Ohio
35	Lena M. Frey	60	Wife	—	Ohio
36	Edward A. Frey	26	Son	Salesman	Ohio
37	William A. Yockley	33	Head	Engineer	Ohio
38	Clarissa M. Yockley	33	Wife	—	Ohio
39	Yockley	7	Son	—	Ohio
40	Fannie B. Sharp	68	Head	—	Ohio
41	Ruth Sharp	36	Daughter	Teacher	Ohio
42	Ben S. Sharp	34	Son	Salesman	Ohio
43	Frank B. Workman	43	Head	Toolmaker	Ohio
44	Workman	33	Step-son	—	Germany
45	Joseph E. Miller	78	Head	Off Manager	Alsace Lorraine
46	Miller	42	Wife	—	Ohio
47	Miller	12	Daughter	—	Ohio
48	Miller	11	Daughter	—	Ohio
49	Miller	9	Son	—	Ohio
50	Katherine Miller	6	Daughter	—	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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