Ralph Clark — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Clark-County, Ohio

Our Model Tree links this Ralph Clark across the 1920, 1930 and 1940 US Censuses in Clark-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1895), then head of a 3-person household.

Age 45 b. ~1895 Male Head Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Clark-County, Ohio
Surname	Clark
Given Name	Ralph
Relationship to Head	Head
Sex	M
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Springfield
1935 Residence (County)	Clark
Additional Details
Occupation	Telegrapher
Industry	Steam Railroad
Class of Worker	PW
Hours Worked	40
Income (1939)	240
Highest Grade	Hs 1
1935 Residence	Same House
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Telegrapher
Township / Ward	Springfield
Est. Birth Year	~1895

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 1940 census.

Name	Relation to head	Relative to Ralph	Age	Birth yr
Ralph Clark	Head	—	45	~1895
Ralph Clark	Son	—	16	~1924
Mary Clark	Spouse	—	36	~1904

Census Appearances

1920

Clark, Ohio

Head, age 25

Clark, Ohio · implied b. ~1895 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Ralph
Relationship to Head	Head
Sex	M
Color / Race	White
Age	25
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Laborer
Industry	Shop
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Clark, Ohio

Head, age 35

Clark, Ohio · implied b. ~1895 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Ralph
Relationship to Head	Head
Sex	M
Color / Race	White
Age	35
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	29
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	Dispatcher
Industry	Rail Road
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	3000
Radio Set	R
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Clark-County, Ohio

Head, age 45

Clark-County, Ohio · implied b. ~1895 — 3 household members

Surname	Clark
Given Name	Ralph
Relationship to Head	Head
Sex	M
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Springfield
1935 Residence (County)	Clark
Occupation	Telegrapher
Industry	Steam Railroad
Class of Worker	PW
Hours Worked	40
Income (1939)	240
Highest Grade	Hs 1
1935 Residence	Same House
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links Ralph Clark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Ralph Clark

Head · 1940 · age 45 · b. ~1895 · 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 — Clark-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03039-00248)

Line	Name	Age	Relation	Occupation	Birthplace
41	Matteo Cappelli	52	Head	Florist	Italy
42	Mariana Cappelli	45	Wife	—	Italy
43	Louis Cappelli	15	Son	Florist	Ohio
44	Doris Cappelli	14	Daughter	—	Ohio
45	Aurora Cappelli	7	Daughter	—	Ohio
46	Nicholas Cappelli	23	Head	Florist	Ohio
47	Margaret R Cappelli	14	Wife	—	Ohio
48	Palma P Cappelli	0	Daughter	—	Ohio
49	Domenick Cappelli	26	Head	Florist	Ohio
50	Jeanette Cappelli	21	Wife	—	Ohio
51	Mary A Cappelli	2	Daughter	—	Ohio
52	Echo Branson	51	Head	—	Ohio
53	William Branson	24	Son	Bar Tender	Ohio
54	Marcus Branson	23	Son	Buffer	Ohio
55	Charles Branson	25	Son	Stock Room Clerk	Ohio
56	Paul H Branson	11	Son	—	Ohio
57	Nicholas Gianopulos	46	Head	Proprietor	Greece
58	Ruth Gianopulos	40	Wife	—	Ohio
59	Mary Gianopulos	17	Daughter	—	Ohio
60	June Gianopulos	8	Daughter	—	Ohio
61	Robert Ullom	38	Brother in law	Mail Carrier	Ohio
62	Kenneth S Crist	29	Head	Asst Pressman	Ohio
63	Mary D Crist	27	Wife	—	Ohio
64	Barbara A Crist	9	Daughter	—	Ohio
65	John P Coakley	42	Head	Fireman	Ohio
66	Mary E Coakley	37	Wife	—	Ohio
67	John Kretz	37	Head	Assembler	Austria
68	Audrey Kretz	32	Wife	—	Ohio
69	Charles Kretz	3	Son	—	Ohio
70	Ralph Clark THIS PERSON	45	Head	Telegrapher	Ohio
71	Mary Art Clark	36	Wife	—	California
72	Ralph M Clark	16	Son	—	Ohio
73	Joseph K Coburn	32	Head	Pipe Fitter	Ohio
74	Mildred Coburn	29	Wife	—	Ohio
75	Mirriam Coburn	3	Daughter	—	Ohio
76	James H Wakeley	55	Head	Foreman	Ohio
77	Edith Wakeley	42	Wife	—	Missouri
78	William H Wakeley	20	Son	Florist	Ohio
79	James T Wakeley	19	Son	Suit Presser	Ohio
80	Cecil E Robert	39	Head	Clerk	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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