Mary Mcconnell — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Wayne-County, Michigan

Our Model Tree links this Mary Mcconnell across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1855), then head of a 2-person household.

Age 85 b. ~1855 Female Head Born: Michigan Widowed

1940 Census Record Details

Census Year	1940
Location	Wayne-County, Michigan
Surname	McConnell
Given Name	Mary G.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	85
Marital Status	Widowed
Birthplace	Michigan
1935 Residence (City)	Detroit City
1935 Residence (County)	Wayne
Additional Details
Hours Worked	0
Highest Grade	No 4
1935 Residence	Same Place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan
Township / Ward	Detroit City
Est. Birth Year	~1855

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.

2 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Mcconnell	Head	—	85	~1855
Clara Mcconnell	Daughter	—	54	~1886

Census Appearances

1920

Wayne, Michigan

Other, age 65

Wayne, Michigan · implied b. ~1855 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mc Connell
Given Name	Mary A.
Relationship to Head	Mother
Sex	F
Color / Race	White
Age	65
Marital Status	Widowed
Birthplace	Michigan
Father's Birthplace	Ireland
Mother's Birthplace	England
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1930

Wayne, Michigan

Head, age 76

Wayne, Michigan · implied b. ~1854 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McConnell
Given Name	Mary A
Relationship to Head	Head
Sex	F
Color / Race	White
Age	76
Marital Status	Widowed
Birthplace	Michigan
Father's Birthplace	Irish Free State
Mother's Birthplace	England
Occupation	none
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	18000
Radio Set	R
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1940

Wayne-County, Michigan

Head, age 85

Wayne-County, Michigan · implied b. ~1855 — 2 household members

Surname	McConnell
Given Name	Mary G.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	85
Marital Status	Widowed
Birthplace	Michigan
1935 Residence (City)	Detroit City
1935 Residence (County)	Wayne
Hours Worked	0
Highest Grade	No 4
1935 Residence	Same Place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Mcconnell

Head · 1940 · age 85 · b. ~1855 · Michigan

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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 — Wayne-County, Michigan Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01845-00406)

Line	Name	Age	Relation	Occupation	Birthplace
41	Allan Stepler	54	Head	Broker	Canada
42	Myrtle Stepler	52	Wife	—	Canada
43	Charlotte Stepler	28	Daughter	Saleslady	Michigan
44	Charles Wale	65	Head	Inspector	England
45	Lucy Wale	25	Daughter	Teacher	Ohio
46	Stanley Wale	60	Brother	—	England
47	Mary Sinclair	57	Head	Graduate Nurse	Canada
48	Andrew T. Court	35	Head	Research Engineer	Japan
49	Adelia Court	28	Wife	—	Kentucky
50	Elizabeth Court	2	Daughter	—	Michigan
51	Willia Court	0	Daughter	—	Michigan
52	Ora P. Court	65	Mother	—	Tennessee
53	Mary G. Mcconnell THIS PERSON	85	Head	—	Michigan
54	Clara E. Mcconnell	54	Daughter	Principal	Michigan
55	Edward W. King	56	Head	Physician	S. Dakota
56	Genevieve King	44	Wife	—	Illinois
57	Mildred King	23	Daughter	—	Illinois
58	Thomas Wilkinson	60	Head	Supervisor	Michigan
59	Millicent Wilkinson	59	Wife	—	Michigan
60	Smith Millicent Wilkinson	31	Daughter	Teacher	Michigan
61	Andrew Crawford	70	Head	Proprietor	Michigan
62	Alice Crawford	62	Wife	—	Canada
63	Elizabeth Sughrow	66	Head	—	Canada
64	Francis Whiting	44	Lodger	Draftsman	Michigan
65	Anne Everett Whiting	30	Lodger	Salesman	Georgia
66	Clinton Hunt	44	Head	Salesman	Vermont
67	Esther Hunt	42	Wife	—	Michigan
68	Ernest M. Meachem	52	Head	Inspector	Canada
69	Barbara Meachem	56	Wife	—	England
70	Ruth Meachem	22	Daughter	—	Michigan
71	Henry Minhinnick	28	Lodger	Draftsman	Michigan
72	Ernest Kapink	35	Lodger	Teacher	Illinois
73	Joseph E. Lachapelle	50	Head	Fireman	Michigan
74	Isabella Lachapelle	48	Wife	—	Michigan
75	Valerie Lachapelle	27	Daughter	Graduate Nurse	Michigan
76	Beatrice Lachapelle	22	Daughter	Stenographer	Michigan
77	Maxine Lachapelle	17	Daughter	—	Michigan
78	Maxine Dubuque	29	Niece	Stenographer	Michigan
79	Theresa Gervais	24	Lodger	Stenographer	Michigan
80	Betty Wilkinson	26	Lodger	Stenographer	Michigan

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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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