John Fritz — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · New-Castle-County, Delaware

Our Model Tree links this John Fritz across the 1930 and 1940 US Censuses in New-Castle-County, Delaware (XGBoost, ~Confirmed) — first a head (b.~1911), then head of a 5-person household.

Age 29 b. ~1911 Male Head Born: Delaware Married

1940 Census Record Details

Census Year	1940
Location	New-Castle-County, Delaware
Surname	Fritz
Given Name	John C.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	29
Marital Status	Married
Birthplace	Delaware
1935 Residence (City)	Hess Dist #7
1935 Residence (County)	New Castle
Additional Details
Occupation	Store-room clerk
Industry	Chemical Co.
Class of Worker	PW
Hours Worked	40
Income (1939)	1820
Highest Grade	H-2
1935 Residence	Same place
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware
Occupation	Store-Room Clerk
Township / Ward	Hess Dist 7
Est. Birth Year	~1911

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 John	Age	Birth yr
Evelyn Fritz	Spouse	—	29	~1911
John Fritz	Head	—	29	~1911
Robert Fritz	Son	—	6	~1934
Barbara Fritz	Daughter	—	3	~1937
John Fritz	Son	—		~1940

Census Appearances

1930

New Castle, …

Son, age 19

New Castle, Delaware · implied b. ~1911 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Fritz
Given Name	John A. Jr.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	19
Marital Status	Single
Birthplace	Delaware
Father's Birthplace	Pennsylvania
Mother's Birthplace	Delaware
Occupation	Office Clerk
Industry	Dye Factory
Class of Worker	W
Can Read/Write	Yes
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

1940

New-Castle-County, Delaware

Head, age 29

New-Castle-County, Delaware · implied b. ~1911 — 5 household members

Surname	Fritz
Given Name	John C.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	29
Marital Status	Married
Birthplace	Delaware
1935 Residence (City)	Hess Dist #7
1935 Residence (County)	New Castle
Occupation	Store-room clerk
Industry	Chemical Co.
Class of Worker	PW
Hours Worked	40
Income (1939)	1820
Highest Grade	H-2
1935 Residence	Same place
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

Model Tree

Linked across censuses

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

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This person

Anchor record

John Fritz

Head · 1940 · age 29 · b. ~1911 · Delaware

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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 — New-Castle-County, Delaware Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00545-00698)

Line	Name	Age	Relation	Occupation	Birthplace
1	Carry Davis	63	Head	—	Maryland
2	Harvey Davis	26	Son	Carpenter	Delaware
3	Leroy Davis	33	Head	Mechanic	Delaware
4	Mildred Davis	32	Wife	—	Delaware
5	Leroy Davis	7	Son	—	Delaware
6	Lawrence Henry	12	Lodger	Engineer	Delaware
7	Howard Mcmillen	24	Head	—	New Jersey
8	Ellen W. Mcmillen	22	Wife	—	New Jersey
9	John C. Fritz THIS PERSON	29	Head	Store-Room Clerk	Delaware
10	Evelyn Fritz	29	Wife	—	Delaware
11	Robert C. Fritz	6	Son	—	Delaware
12	Barbara A. Fritz	3	Daughter	—	Delaware
13	John C. Jr. Fritz	0	Son	—	Delaware
14	Thomas H. Berry	50	Head	Machinist	Delaware
15	Elizabeth E. Berry	49	Wife	—	Delaware
16	Willis Berry	40	Head	Machinist	Delaware
17	Edna Berry	37	Wife	—	Delaware
18	George Berry	20	Son	Painter	Delaware
19	Janet Berry	8	Daughter	—	Delaware
20	Cuthbert Collingwood	32	Head	Inspector	Canada
21	Eileen Collingwood	30	Wife	—	New York
22	Eugene Thompson	30	Head	Pipe-Fitter	Delaware
23	Agnes Thompson	28	Wife	—	Delaware
24	Bertha Thompson	10	Daughter	—	Delaware
25	Eugene Thompson	8	Son	—	Pennsylvania
26	Arlene Thompson	6	Daughter	—	Delaware
27	Richard Thompson	1	Son	—	Delaware
28	Anne Halweek	19	Mother-in-law	—	Delaware
29	Edward Thompson	27	Head	Welder	Delaware
30	Hannah Thompson	23	Wife	—	Pennsylvania
31	Evelyn Thompson	6	Daughter	—	Delaware
32	Edward Thompson	4	Son	—	Delaware
33	Walter Kemps	35	Head	Chemist	North Carolina
34	Viola Kemps	28	Wife	—	Delaware
35	Barbara Kemps	5	Daughter	—	Delaware
36	Clyde Miller	54	Head	Painter	New Jersey
37	Ada Miller	50	Wife	—	New Jersey
38	Elizabeth Miller	19	Daughter	Saleslady	New Jersey
39	Charles Mcquiggan	34	Head	Mechanic	Delaware
40	Evelyn Mcquiggan	31	Wife	Stenographer	Pennsylvania

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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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