Fred Zimmerman — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Delaware-County, Pennsylvania

Our Model Tree links this Fred Zimmerman across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 4-person household.

Age 56 b. ~1884 Male Head Born: Germany Married

1940 Census Record Details

Census Year	1940
Location	Delaware-County, Pennsylvania
Surname	Zimmerman
Given Name	Fred
Relationship to Head	Head
Sex	M
Color / Race	White
Age	56
Marital Status	Married
Birthplace	Germany
1935 Residence (City)	Springfield
1935 Residence (County)	Delaware
Naturalization Status	Alien
Additional Details
Occupation	Tourist Camp
Industry	OA
Class of Worker	900
Hours Worked	50
Highest Grade	No 8
1935 Residence	Germany
Birth Country	Germany
Birthplace (normalized)	germany
Occupation	Tourist Camp
Township / Ward	Springfield
Est. Birth Year	~1884

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.

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

Name	Relation to head	Relative to Fred	Age	Birth yr
Fred Zimmerman	Head	—	56	~1884
Gertrude Zimmerman	Daughter	—	23	~1917
Mary Dellen	Other	—	51	~1889
Emilie Zimmerman	Spouse	—	52	~1888

Census Appearances

1920

Philadelphia, Pennsylvania

Head, age 33

Philadelphia, Pennsylvania · implied b. ~1887 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Zimmerman
Given Name	Frederick
Relationship to Head	Head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Germany
Year of Immigration	1913
Naturalization Status	First papers filed
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Superintendent
Industry	Building
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	German
Home Owned/Rented	R
Birth Country	Germany
Birthplace (normalized)	germany

1930

Delaware, Pennsylvania

Head, age 45

Delaware, Pennsylvania · implied b. ~1885 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Zimmermann
Given Name	Frederick
Relationship to Head	Head
Sex	M
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Germany
Naturalization Status	First papers filed
Year of Immigration	1913
Age at First Marriage	30
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Builder
Industry	House Operation
Class of Worker	OA
Can Read/Write	Yes
Mother Tongue	German
Home Owned/Rented	O
Home Value / Rent	$3,000
Radio Set	R
Birth Country	Germany
Birthplace (normalized)	germany

1940

Delaware-County, Pennsylvania

Head, age 56

Delaware-County, Pennsylvania · implied b. ~1884 — 4 household members

Surname	Zimmerman
Given Name	Fred
Relationship to Head	Head
Sex	M
Color / Race	White
Age	56
Marital Status	Married
Birthplace	Germany
1935 Residence (City)	Springfield
1935 Residence (County)	Delaware
Naturalization Status	Alien
Occupation	Tourist Camp
Industry	OA
Class of Worker	900
Hours Worked	50
Highest Grade	No 8
1935 Residence	Germany
Birth Country	Germany
Birthplace (normalized)	germany

Model Tree

Linked across censuses

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

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This person

Anchor record

Fred Zimmerman

Head · 1940 · age 56 · b. ~1884 · Pennsylvania

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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 — Delaware-County, Pennsylvania Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03496-00274)

Line	Name	Age	Relation	Occupation	Birthplace
41	Clifford R. Mohn	36	Head	Service Mgr	Penna
42	Mary D. Mohn	31	Wife	—	Penna
43	Howard Mohn	5	Son	—	Penna
44	Edwin Bleau	33	Head	Electrician	Penna
45	Mary Bleau	27	Wife	—	Penna
46	Edwin Bleau	3	Son	—	Penna
47	Oliver Johnson	24	Head	Teacher	Penna
48	Dorothy Johnson	21	Wife	—	Maryland
49	Oliver Johnson	2	Son	—	Penna
50	Jane Phillips	16	Niece	—	Maryland
51	Frederick Vanguard	42	Head	Salesman	Penna
52	Ellen Vanguard	43	Wife	—	England
53	Frederick Vanguard	16	Son	—	Penna
54	Arthur Saunders	32	Head	Cashier	Maryland
55	Edith Saunders	29	Wife	—	Penna
56	Arthur Saunders	4	Son	—	Penna
57	Judith Saunders	2	Daughter	—	Penna
58	Robert Cockrill	35	Head	Service Mgr	England
59	Vera Cockrill	38	Wife	—	England
60	Judith Cockrill	10	Daughter	—	England
61	End Of Block	None	—	—	—
62	Fred J. Stanley	41	Head	Sales	Penna
63	Emilie Stanley	41	Wife	Housekeeper	Penna
64	Edward Stanley	13	Son	—	Penna
65	Ismael Stanley	4	Son	—	Penna
66	Fred J. Stanley	92	Father	—	England
67	David J. Cologne	16	Lodger	—	Penna
68	J. G. Griffiths	55	Lodger	Painter	Penna
69	Monroe Smith	55	Head	Steam Fitter	Penna
70	Charlotte Smith	44	Wife	Housekeeper	Penna
71	Charlotte Smith	26	Daughter	Clerk	Penna
72	Shuffle	18	Lodger	—	Penna
73	Fred Zimmerman THIS PERSON	56	Head	Tourist Camp	Germany
74	Emilie Zimmerman	52	Wife	—	Germany
75	Gertrude Zimmerman	23	Daughter	—	Penna
76	Mary Dellen	51	Lodger	—	Penna
77	Egbert Wright	39	Head	Truck Driver	Penna
78	Ethel Wright	38	Wife	—	Penna
79	Charles Wright	12	Son	—	Penna
80	Charles Shute	76	Father L	Produce	New Jersey

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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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