Mary Beach — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Wayne-County, Michigan

Our Model Tree links this Mary Beach across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1902), then head of a 6-person household.

Age 38 b. ~1902 Female Daughter Born: Michigan Single

1940 Census Record Details

Census Year	1940
Location	Wayne-County, Michigan
Surname	Beach
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	38
Marital Status	Single
Birthplace	Michigan
1935 Residence (City)	Highland Park City
1935 Residence (County)	Wayne
Additional Details
Occupation	Telephone Company
Industry	PW
Class of Worker	3155
Highest Grade	H-4
1935 Residence	38
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan
Occupation	Telephone Company
Township / Ward	Highland Park City
Est. Birth Year	~1902

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Catherine Beach	Daughter	—	34	~1906
Rosemary Beach	Daughter	—	23	~1917
Mary Beach	Daughter	—	38	~1902
Margaret Beach	Head	—	61	~1879
Ella Warner	Other	—	80	~1860
Bertha Hagert	Other	—	30	~1910

Census Appearances

1930

Wayne, Michigan

Daughter, age 27

Wayne, Michigan · implied b. ~1903 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Beach
Given Name	Mary E.
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	27
Marital Status	Single
Birthplace	Michigan
Father's Birthplace	Michigan
Mother's Birthplace	Michigan
Occupation	Investigator
Industry	Telephone Co.
Class of Worker	W
Can Read/Write	Yes
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1940

Wayne-County, Michigan

Daughter, age 38

Wayne-County, Michigan · implied b. ~1902 — 6 household members

Surname	Beach
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	38
Marital Status	Single
Birthplace	Michigan
1935 Residence (City)	Highland Park City
1935 Residence (County)	Wayne
Occupation	Telephone Company
Industry	PW
Class of Worker	3155
Highest Grade	H-4
1935 Residence	38
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Beach

Daughter · 1940 · age 38 · b. ~1902 · Michigan

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Sibling

Rosemary Beach

Sibling · 1940 · age 23

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Catherine Beach

Sibling · 1940 · age 34

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 — Wayne-County, Michigan Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01831-00366)

Line	Name	Age	Relation	Occupation	Birthplace
1	Charles A. Perry	52	Head	Retail Heating Supplies	Michigan
2	Theodora Perry	42	Wife	—	Michigan
3	Merla A. Perry	11	Daughter	—	Michigan
4	Natalie J. Perry	9	Daughter	—	Michigan
5	Chamblin Hancock	51	Head	Automobile Manufacturer	Virginia
6	Evelyn Hancock	45	Wife	—	Virginia
7	Ruth C. Hancock	15	Daughter	—	Michigan
8	Joseph Grobbel	55	Head	Street Comm.	Michigan
9	Elsie L. Grobbel	58	Wife	—	Michigan
10	Eugene Grobbel	23	Son	Automobile Manufacturer	Michigan
11	William L. Piett	27	Son-in-law	Automobile Manufacturer	Michigan
12	Virginia Piett	21	Daughter	Department Store	Michigan
13	Nick Wagner	74	Head	Automobile Manufacturer	Germany
14	Margaret Wagner	72	Wife	—	Germany
15	Margaret Beach	61	Head	—	Michigan
16	Mary Beach THIS PERSON	38	Daughter	Telephone Company	Michigan
17	Catherine A. Beach	34	Daughter	Auto Parts Manufacturer	Michigan
18	Rosemary M. Beach	23	Daughter	Department Store	Michigan
19	Ella L. Warner	80	Lodger	—	Michigan
20	Bertha Hagert	30	Lodger	Wholesale Auto Accessories	Michigan
21	Levi A. Gurr	60	Head	Automobile Manufacturer	Florida
22	Geneva Gurr	54	Wife	—	Michigan
23	Samuel Trevino	42	Head	City Fire Department	Texas
24	May Trevino	53	Wife	—	Pennsylvania
25	Clifton Kelley	25	Lodger	Trust Company	Michigan
26	Ruth Kelley	23	Lodger	—	Michigan
27	Frank B. Armstrong	30	Head	Barber Shop	Illinois
28	Clarissa Armstrong	33	Wife	—	Pennsylvania
29	Delores Armstrong	2	Daughter	—	Michigan
30	Edwin North	23	Lodger	Restaurant	Pennsylvania
31	Juanita North	20	Lodger	—	Illinois
32	Donna Jean North	1	Lodger	—	Michigan
33	William Birchall	50	Head	Automobile Manufacturer	England
34	Frank Dowler	38	Lodger	Telegraph Company	Ohio
35	Anna Dowler	29	Lodger	—	Ohio
36	Thomas J. Roberts	49	Head	Oil Refinery	New York
37	Dorcas B. Roberts	42	Wife	—	Ohio
38	Budd A. Roberts	22	Son	Oil Refinery	Ohio
39	John W. Culham	62	Head	Post Office	Michigan
40	Clara Culham	60	Wife	—	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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