John Fischer — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Orleans-County, Louisiana

Our Model Tree links this John Fischer across the 1920, 1930 and 1940 US Censuses in Orleans-County, Louisiana (XGBoost, ~Confirmed) — first a head (b.~1902), then head of a 3-person household.

Age 38 b. ~1902 Male Head Born: Louisiana Married

1940 Census Record Details

Census Year	1940
Location	Orleans-County, Louisiana
Surname	Fischer
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Louisiana
1935 Residence (City)	New Orleans City
1935 Residence (County)	Orleans Parish
Additional Details
Occupation	Pipeman
Industry	New Orleans Fire Department
Class of Worker	GW
Hours Worked	84
Income (1939)	1642
Highest Grade	No 7
1935 Residence	Same House
Birth State	Louisiana
Birth Country	United States
Birthplace (normalized)	louisiana
Occupation	Pipeman
Township / Ward	New Orleans 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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Joan Fischer	Daughter	—	6	~1934
John Fischer	Head	—	38	~1902
Louise Fischer	Spouse	—	27	~1913

Census Appearances

1920

Orleans, Louisiana

Other, age 16

Orleans, Louisiana · implied b. ~1904 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Fischer
Given Name	John J.
Relationship to Head	Son-in-law
Sex	M
Color / Race	White
Age	16
Marital Status	Single
Birthplace	Louisiana
Father's Birthplace	Louisiana
Mother's Birthplace	Louisiana
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Louisiana
Birth Country	United States
Birthplace (normalized)	louisiana

1930

Orleans, Louisiana

Head, age 28

Orleans, Louisiana · implied b. ~1902 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Fischer
Given Name	John F
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Louisiana
Age at First Marriage	21
Father's Birthplace	Louisiana
Mother's Birthplace	Louisiana
Occupation	Truck Driver
Industry	Produce
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	22
Veteran	No
Birth State	Louisiana
Birth Country	United States
Birthplace (normalized)	louisiana

1940

Orleans-County, Louisiana

Head, age 38

Orleans-County, Louisiana · implied b. ~1902 — 3 household members

Surname	Fischer
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Louisiana
1935 Residence (City)	New Orleans City
1935 Residence (County)	Orleans Parish
Occupation	Pipeman
Industry	New Orleans Fire Department
Class of Worker	GW
Hours Worked	84
Income (1939)	1642
Highest Grade	No 7
1935 Residence	Same House
Birth State	Louisiana
Birth Country	United States
Birthplace (normalized)	louisiana

Model Tree

Linked across censuses

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

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This person

Anchor record

John Fischer

Head · 1940 · age 38 · b. ~1902 · Louisiana

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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 — Orleans-County, Louisiana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01429-00232)

Line	Name	Age	Relation	Occupation	Birthplace
1	Mary Koenig	38	Wife	—	Louisiana
2	Merril, Jr. Koenig	10	Son	—	Louisiana
3	Mary Babacher	70	Head	—	Louisiana
4	Joseph Hamann	46	Head	Fisherman	Louisiana
5	Emma Jean Hamann	44	Wife	—	Louisiana
6	William Hamann	23	Son	Fisherman	Louisiana
7	Genevieve Hamann	19	Daughter	Elevator Operator	Louisiana
8	Roy Hamann	13	Son	—	Louisiana
9	Adrian Hamann	11	Son	—	Louisiana
10	William Hamann	39	Brother	Fisherman	Louisiana
11	George, C. Peters	51	Head	Timekeeper	Louisiana
12	Sophie Peters	49	Wife	—	Louisiana
13	John, D. Klemmer	61	Head	Laborer	Louisiana
14	Josephine Klemmer	62	Wife	—	Louisiana
15	Frances Winter	71	Sister-in-law	—	Louisiana
16	Mervin, J. Eberhardt	23	Nephew	Paper Hanger	Louisiana
17	John Fischer THIS PERSON	38	Head	Pipeman	Louisiana
18	Louise Fischer	27	Wife	—	Louisiana
19	Joan Fischer	6	Daughter	—	Louisiana
20	Charles, B. Eberhardt	56	Head	Laborer	Louisiana
21	Henrietta Eberhardt	54	Wife	—	Louisiana
22	Harold, T. Hall	42	Head	Crane Operator	Georgia
23	Antoinette Hall	47	Wife	—	Louisiana
24	Evelyn Hall	20	Daughter	Stenographer	Louisiana
25	Gloria Hall	14	Daughter	—	Louisiana
26	Andrew Muth	64	Head	Foreman Street Sweepers	Louisiana
27	Adeline Muth	63	Wife	—	Louisiana
28	Joseph Muth	35	Son	Shipping Clerk	Louisiana
29	Cecile Muth	25	Daughter	—	Louisiana
30	Olange Rogers	21	Head	—	Louisiana
31	Bernice Rogers	1	Daughter	—	Louisiana
32	Ruel Rogers	0	Son	—	Louisiana
33	Frank Dours	69	Head	Carpenter (Article Machinist)	Louisiana
34	Elese Dours	69	Wife	—	Louisiana
35	George Kammer	73	Brother-in-law	Repair Master	Louisiana
36	Peter, Sr. Consarey	36	Head	Plumber, Maint. Market Prop. Co.	Louisiana
37	Margaret Consarey	35	Wife	—	Louisiana
38	Kathleen Consarey	13	Daughter	—	Louisiana
39	Peter, Jr. Consarey	4	Son	—	Louisiana
40	Albert, M. Katz	31	Head	Printer	Louisiana

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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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