William Hahn — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · New-York-County, New York

Our Model Tree links this William Hahn across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 3-person household.

Age 70 b. ~1870 Male Head Born: Germany Married

1940 Census Record Details

Census Year	1940
Location	New-York-County, New York
Surname	Hahn
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	70
Marital Status	Married
Birthplace	Germany
1935 Residence (City)	N.Y.
1935 Residence (County)	N.Y.
Naturalization Status	Naturalized
Additional Details
Occupation	Janitor
Industry	Schmidth
Class of Worker	PW
Highest Grade	No 8
1935 Residence	Same place
Birth Country	Germany
Birthplace (normalized)	germany
Occupation	Janitor
Township / Ward	Ny
Est. Birth Year	~1870

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 William	Age	Birth yr
William Hahn	Head	—	70	~1870
William Hahn	Son	—	30	~1910
Elizabeth Hahn	Spouse	—	69	~1871

Census Appearances

1920

New York, …

Head, age 50

New York, New York · implied b. ~1870 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hahn
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Germany
Year of Immigration	1884
Naturalization Status	Alien
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Laborer
Industry	Pipe Works
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

New York, …

Head, age 63

New York, New York · implied b. ~1867

● Primary link · ~Confirmed · 1 source

XGBoost

Surname	Hahn
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	63
Marital Status	Married
Birthplace	Germany
Year of Immigration	1883
Age at First Marriage	29
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Contractor
Industry	Buildings
Class of Worker	OA
Can Read/Write	Yes
Mother Tongue	German
Home Owned/Rented	R
Home Value / Rent	63 1/2
Radio Set	R
Birth Country	Germany
Birthplace (normalized)	germany

1940

New-York-County, New …

Head, age 70

New-York-County, New York · implied b. ~1870 — 3 household members

Surname	Hahn
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	70
Marital Status	Married
Birthplace	Germany
1935 Residence (City)	N.Y.
1935 Residence (County)	N.Y.
Naturalization Status	Naturalized
Occupation	Janitor
Industry	Schmidth
Class of Worker	PW
Highest Grade	No 8
1935 Residence	Same place
Birth Country	Germany
Birthplace (normalized)	germany

Model Tree

Linked across censuses

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

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This person

Anchor record

William Hahn

Head · 1940 · age 70 · b. ~1870 · New York

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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-York-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02650-00211)

Line	Name	Age	Relation	Occupation	Birthplace
1	Joseph H Moleray	50	Head	Chief Of Transport	N.Y.
2	Agnes Moleray	46	Wife	—	N.Y.
3	Margaret Mullalley	79	Mother in law	—	N.Y.
4	Nicholas Kerischer	53	Head	Janitor	Hungary
5	Elizabeth Kerischer	40	Wife	—	Hungary
6	Nicholas Kerischer	17	Son	—	N.Y.
7	Louis Kerischer	17	Son	—	N.Y.
8	Elizabeth Carroll	55	Head	—	N.Y.
9	Teresa Carroll	65	Sister	—	N.Y.
10	Mary A. Sexton	52	Head	Stenographer	N.Y.
11	Alice M. Sexton	28	Daughter	Clerk	New Jersey
12	William T. Sexton	26	Son	Lawyer	New Jersey
13	Coleen G. Sexton	22	Daughter	Typist	New Jersey
14	James Reilly	42	Head	Bookkeeper	N.Y.
15	Catherine Reilly	39	Wife	—	N.Y.
16	Francis Reilly	15	Son	—	N.Y.
17	Eleanor Reilly	13	Daughter	—	N.Y.
18	Thaddeus Reilly	12	Son	—	N.Y.
19	June Reilly	10	Daughter	—	N.Y.
20	Blanche Reilly	4	Daughter	—	N.Y.
21	Margaret Waters	29	Head	—	N.Y.
22	Mary G. Waters	74	Sister	Cashier	N.Y.
23	John Waters	65	Brother	Watchman	N.Y.
24	William Hahn THIS PERSON	70	Head	Janitor	Germany
25	Elizabeth Hahn	69	Wife	—	Germany
26	William Hahn	30	Son	—	N.Y.
27	John W. Russell	59	Head	Clerical	N.Y.
28	Catherine A. Russell	57	Wife	—	N.Y.
29	Walter A. Russell	33	Son	Clerk	N.Y.
30	Alice C. Russell	24	Daughter	Clerk	N.Y.
31	John W. Russell	23	Son	Sales	N.Y.
32	Archibald Robinson	32	Head	Sec. To Congress Man.	N.Y.
33	Margaret Robinson	37	Wife	—	N.Y.
34	Mary Robinson	1	Daughter	—	N.Y.
35	Archibald J. Robinson	62	Father	Bridge Keeper	N.Y.
36	Katherine Micox	33	Cousin	Clerk	N.Y.
37	Katherine Fenton	75	Head	Sales Woman	Ireland
38	Alice Fenton	45	Sister	Bookkeeping	Ireland
39	Jane Allen	50	Niece	—	N.Y.
40	Jerome Craig	47	Head	Deputy Court Clerk	N.Y.

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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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