Mary Leach — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Stark-County, Ohio

Our Model Tree links this Mary Leach across the 1930 and 1940 US Censuses in Stark-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 5-person household.

Age 21 b. ~1919 Female Daughter Born: Ohio Single

1940 Census Record Details

Census Year	1940
Location	Stark-County, Ohio
Surname	Leach
Given Name	Mary Jane
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	21
Marital Status	Single
Birthplace	Ohio
1935 Residence (City)	Massillon
1935 Residence (County)	Stark
Additional Details
Occupation	Stenographer
Industry	Railway Express
Class of Worker	PW
Hours Worked	3
Income (1939)	125
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Stenographer
Township / Ward	Massillon
Est. Birth Year	~1919

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 Mary	Age	Birth yr
Betty Leach	Daughter	—	15	~1925
Essie Leach	Spouse	—	48	~1892
Mary Leach	Daughter	—	21	~1919
Ann Leach	Daughter	—	20	~1920
Eren Leach	Head	—	48	~1892

Census Appearances

1930

Stark, Ohio

Daughter, age 11

Stark, Ohio · implied b. ~1919 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Leach
Given Name	Mary Jane
Relationship to Head	daughter
Sex	F
Color / Race	White
Age	11
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Stark-County, Ohio

Daughter, age 21

Stark-County, Ohio · implied b. ~1919 — 5 household members

Surname	Leach
Given Name	Mary Jane
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	21
Marital Status	Single
Birthplace	Ohio
1935 Residence (City)	Massillon
1935 Residence (County)	Stark
Occupation	Stenographer
Industry	Railway Express
Class of Worker	PW
Hours Worked	3
Income (1939)	125
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links Mary Leach across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.

Show:

This person

Anchor record

Mary Leach

Daughter · 1940 · age 21 · b. ~1919 · Ohio

★ You are viewing this record

Sibling

Ann Leach

Sibling · 1940 · age 20

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Betty Leach

Sibling · 1940 · age 15

Source co-child of head (derived)

● Co-child · derived · ~0.88

Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Stark-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03147-00330)

Line	Name	Age	Relation	Occupation	Birthplace
41	Stephan Horner	39	Head	Auto Mechanic	Ohio
42	Della Horner	36	Wife	—	Ohio
43	Duane Q Horner	17	Son	Auto Mechanic	Ohio
44	Stanley Dunmore	60	Head	Painter + Paperer	New York
45	Mellie Q Dunmore	50	Wife	—	Ohio
46	Stanley Dunmore	17	Son	Clerk	Ohio
47	George Fox	42	Lodger	Conductor	Ohio
48	Eren Leach	48	Head	Asst. Foreman	Ohio
49	Essie Q Leach	48	Wife	—	Ohio
50	Mary Jane Leach THIS PERSON	21	Daughter	Stenographer	Ohio
51	Ann Leach	20	Daughter	Inspector	Ohio
52	Betty Leach	15	Daughter	—	Ohio
53	Annie Q Ohlman	52	Head	—	Ohio
54	William Helmreich	36	Lodger	Automatic Operator	Pennsylvania
55	Raymond Rohr	28	Head	Plasterer	Ohio
56	Irene Q Rohr	26	Wife	—	Ohio
57	Eugene Tilton	21	Lodger	Attendant	Ohio
58	Arvine Q Kemp	35	Head	Lineman	Ohio
59	Verna Kemp	29	Wife	—	Ohio
60	Arvine Jr. Kemp	11	Son	—	Ohio
61	Richard P. Kemp	9	Son	—	Ohio
62	James H. Kemp	8	Son	—	Ohio
63	Joan M. Kemp	5	Daughter	—	Ohio
64	Eleanor J. Kemp	2	Daughter	—	Ohio
65	Marjorie A. Kemp	0	Daughter	—	Ohio
66	Olden Q Cecil	33	Head	Beaterman	Ohio
67	Catherine Cecil	32	Wife	Sewing	Ohio
68	Dorothy Q Royer	39	Head	Inspector	Ohio
69	Hazel M. Royer	18	Daughter	Secretary (Nya)	Ohio
70	Helen Royer	15	Daughter	—	Ohio
71	Rita Royer	13	Daughter	—	Ohio
72	John Ohlman	47	Head	Contractor	Ohio
73	Alvina Q Ohlman	49	Wife	—	Ohio
74	Ruth Ohlman	17	Daughter	—	Ohio
75	Thomas Ohlman	16	Son	—	Ohio
76	Otto Mitzel	43	Head	Catcher	Ohio
77	Ruby Q Mitzel	38	Wife	—	Ohio
78	Anna Q Thomas	57	Head	Housework	Czechoslovakia
79	James Taylor	37	Son-in-law	Salesman	Ohio
80	Irma Q Taylor	30	Daughter	—	New York

Search for Mary Leach

All Mary Leach Census Records Discover Leach Family Tree

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)

Report inaccurate data