John Todd — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Mahoning-County, Ohio

Our Model Tree links this John Todd across the 1920, 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 5-person household.

Age 64 b. ~1876 Male Head Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Mahoning-County, Ohio
Surname	Todd
Given Name	John A
Relationship to Head	Head
Sex	M
Color / Race	White
Age	64
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Beaver Township
1935 Residence (County)	Mahoning
Additional Details
Occupation	Farmer
Industry	Own Farm
Class of Worker	OA
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same House
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Farmer
Township / Ward	Beaver Township
Est. Birth Year	~1876

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 1940 census.

Name	Relation to head	Relative to John	Age	Birth yr
Jean Van Vlack	Daughter	—	21	~1919
John Todd	Head	—	64	~1876
George Van Vlack	Other	—	23	~1917
George Pitzer	Other	—	87	~1853
Florence Todd	Spouse	—	52	~1888

Census Appearances

1920

Mahoning, Ohio

Head, age 48

Mahoning, Ohio · implied b. ~1872 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Tod
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	President
Industry	Limestone Co
Class of Worker	E
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	O
Home Free/Mortgaged	M
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Mahoning, Ohio

Head, age 59

Mahoning, Ohio · implied b. ~1871 — 14 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Todd
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	59
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	25
Father's Birthplace	Ohio
Mother's Birthplace	Pennsylvania
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	15000
Radio Set	R
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Mahoning-County, Ohio

Head, age 64

Mahoning-County, Ohio · implied b. ~1876 — 5 household members

Surname	Todd
Given Name	John A
Relationship to Head	Head
Sex	M
Color / Race	White
Age	64
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Beaver Township
1935 Residence (County)	Mahoning
Occupation	Farmer
Industry	Own Farm
Class of Worker	OA
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same House
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links John Todd 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 Todd

Head · 1940 · age 64 · b. ~1876 · 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 — Mahoning-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03108-00193)

Line	Name	Age	Relation	Occupation	Birthplace
1	Harvey Paulin	66	Head	Farmer	Ohio
2	Carlos C Cover	50	Head	Construction Superintendent	Ohio
3	Grace Cover	49	Wife	—	Ohio
4	Helen Cover	27	Daughter	Music Teacher	Ohio
5	Clarence Ab Cover	23	Son	—	Ohio
6	Dorothy Cover	14	Daughter	—	Ohio
7	Paul Cover	28	Head	Landscape Architect	Ohio
8	Roberta Cover	21	Wife	—	Ohio
9	Jean P Cover	2	Daughter	—	Ohio
10	John Paul Cover	12	Son	—	Ohio
11	David E. Paulin	34	Head	Tinner	Ohio
12	Cana M. Paulin	36	Wife	—	Pennsylvania
13	Katherine Paulin	10	Daughter	—	Ohio
14	David C. Paulin	8	Son	—	Ohio
15	Ivan T. Paulin	64	Head	Tinner	Ohio
16	Lora Paulin	64	Wife	—	Ohio
17	John Redasky	57	Head	Proprietor	Czechoslovakia
18	Elizabeth Redasky	51	Wife	—	Czechoslovakia
19	Stephen Redasky	23	Son	Truck Driver	Ohio
20	Charles F. Brooke	67	Head	Civil Engineer	Ohio
21	Sarah E. Brooke	61	Wife	—	Ohio
22	John Elser	74	Head	Farmer	Ohio
23	Julia Elser	74	Wife	—	Ohio
24	Anthony Di Orio	34	Head	Pharmacist	Ohio
25	Velma Di Orio	30	Wife	Proprietor	Ohio
26	John A Todd THIS PERSON	64	Head	Farmer	Ohio
27	Florence M. Todd	52	Wife	—	Iowa
28	George Van Vlack	23	Son-in-law	Grinder	West Virginia
29	Jean Van Vlack	21	Daughter	—	Ohio
30	George W. Pitzer	87	Father-in-law	—	Ohio
31	Robert M. Sumner	33	Head	Dental Mechanic	Kentucky
32	Rose Sumner	24	Wife	—	Kentucky
33	Robert M. Jr. Sumner	6	Son	—	Ohio
34	John Sumner	1	Son	—	Ohio
35	Edwin F Oesch	74	Head	—	Ohio
36	Oneta E. Oesch	69	Wife	—	Ohio
37	Olin Weaver	33	Head	Laborer	Michigan
38	Mildred Weaver	29	Wife	—	Ohio
39	Elmer Ellenberger	41	Head	Logger	Pennsylvania
40	Dora Ellenberger	32	Wife	—	South Dakota

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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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