Mary Connelly — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Montgomery-County, Ohio

Our Model Tree links this Mary Connelly across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 3-person household.

Age 76 b. ~1864 Female Head Born: Ohio Widowed

1940 Census Record Details

Census Year	1940
Location	Montgomery-County, Ohio
Surname	Connelly
Given Name	Mary A
Relationship to Head	Head
Sex	F
Color / Race	White
Age	76
Marital Status	Widowed
Birthplace	Ohio
1935 Residence (City)	Dayton City
1935 Residence (County)	Montgomery
Additional Details
Class of Worker	0
Highest Grade	No H-1
1935 Residence	Same House
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Dayton City
Est. Birth Year	~1864

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 Mary	Age	Birth yr
Mary Connelly	Head	—	76	~1864
W Connelly	Son	—	42	~1898
James Connelly	Son	—	33	~1907

Census Appearances

1920

Montgomery, Ohio

Spouse, age 55

Montgomery, Ohio · implied b. ~1865 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Connolly
Given Name	Mary A.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	55
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ireland
Mother's Birthplace	English
Occupation	Yes
Can Read	English
Can Write	Yes
Speaks English	Yes
Mother Tongue	Ireland
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Montgomery, Ohio

Spouse, age 65

Montgomery, Ohio · implied b. ~1865 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Connolly
Given Name	Mary A.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	65
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	28
Father's Birthplace	Northern Ireland
Mother's Birthplace	Northern Ireland
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Montgomery-County, Ohio

Head, age 76

Montgomery-County, Ohio · implied b. ~1864 — 3 household members

Surname	Connelly
Given Name	Mary A
Relationship to Head	Head
Sex	F
Color / Race	White
Age	76
Marital Status	Widowed
Birthplace	Ohio
1935 Residence (City)	Dayton City
1935 Residence (County)	Montgomery
Class of Worker	0
Highest Grade	No H-1
1935 Residence	Same House
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

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

Show:

This person

Anchor record

Mary Connelly

Head · 1940 · age 76 · b. ~1864 · Ohio

★ You are viewing this record

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

Original Census Page

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

Page Contents

36 people indexed on this census page (nara:1940:m-t0627-03255-00945)

Line	Name	Age	Relation	Occupation	Birthplace
41	Shirley J Conly	7	Granddaughter	—	Ohio
42	George R Conly	6	Grandson	—	Ohio
43	William T White	69	Head	Salesman	Kentucky
44	Lillie A White	58	Wife	Baker	Ohio
45	Robert F Burtner	46	Head	Cotton Mill Worker	Ohio
46	Esther M Burtner	44	Wife	Comptometer Operator	Ohio
47	Robert R Burtner	12	Son	—	Ohio
48	Jean I Burtner	10	Daughter	—	Ohio
49	Frederick J Reeves	65	Head	—	Ohio
50	Frederick J Jr Reeves	26	Son	Apprentice Tool Maker	Ohio
51	Mary Jane Reeves	23	Daughter	Assembler	Ohio
52	William Reeves	21	Son	Assembler	Ohio
53	Howard L Reeves	33	Son	Drill Press Operator	Ohio
54	Mildred Reeves	32	Daughter in law	Stenographer	Ohio
55	Mary A Connelly THIS PERSON	76	Head	—	Ohio
56	W. Terrence Connelly	42	Son	Maker Golf Clubs	Ohio
57	James J Connelly	33	Son	Laborer	Ohio
59	Anna P Schantz	63	Head	—	Ohio
60	Philip J Schwartz	80	Head	—	Ohio
61	Louise B Schwartz	77	Wife	—	Ohio
62	William E Hart	38	Head	Carpenter	Ohio
63	Lorentz Bennett	42	Partner	Piano Teacher	New York
67	David W Rulan	64	Head	Maintenance Carpenter	Ohio
68	Georgiana Rulan	54	Wife	—	Ohio
69	Dilbert D Rulan	35	Son	Arbor Press Hand	Ohio
70	Heller B Hampton	60	Head	Salesman	Ohio
71	Nellie D Hampton	57	Wife	—	Ohio
72	Eugene A Brown	33	Head	Service To Exchange	Ohio
73	Kathleen M Brown	38	Wife	Elevator Starter	Ohio
74	Paul E Doggett	37	Head	Weighing	Ohio
75	Dorothy D Doggett	36	Wife	—	Ohio
76	Beatrice A Doggett	11	Daughter	—	Ohio
77	Anna M Ruber	59	Head	Maid	Kentucky
78	Thelma E Ruber	25	Daughter	—	Ohio
79	Ralph W Sine	29	Head	Mail Handler	Ohio
80	Treleba Sine	26	Wife	—	Ohio

Related Census Records

Search for Mary Connelly

All Mary Connelly Census Records Discover Connelly 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