Mary Kelly — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Kelly across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 3-person household.

Age 56 b. ~1884 Female Head Born: Connecticut Widowed

1940 Census Record Details

Census Year	1940
Location	Kings-County, New York
Surname	Kelly
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	56
Marital Status	Widowed
Birthplace	Connecticut
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Additional Details
Highest Grade	H 8
1935 Residence	Same place
Birth State	Connecticut
Birth Country	United States
Birthplace (normalized)	connecticut
Township / Ward	New York City
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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Kelly	Head	—	56	~1884
John Kelly	Son	—	32	~1908
Donald Kelly	Son	—	24	~1916

Census Appearances

1920

Kings, New …

Other, age 32

Kings, New York · implied b. ~1888 — 48 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Kelly
Given Name	Mary E.
Sex	F
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Connecticut
Father's Birthplace	Massachusetts
Mother's Birthplace	Connecticut
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Connecticut
Birth Country	United States
Birthplace (normalized)	connecticut

1930

Kings, New …

Other, age 43

Kings, New York · implied b. ~1887 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Kelly
Given Name	Mary
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Connecticut
Age at First Marriage	19
Father's Birthplace	New York
Mother's Birthplace	Connecticut
Occupation	Club manager
Industry	Private Club
Class of Worker	W
Can Read/Write	Yes
Birth State	Connecticut
Birth Country	United States
Birthplace (normalized)	connecticut

1940

Kings-County, New …

Head, age 56

Kings-County, New York · implied b. ~1884 — 3 household members

Surname	Kelly
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	56
Marital Status	Widowed
Birthplace	Connecticut
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Highest Grade	H 8
1935 Residence	Same place
Birth State	Connecticut
Birth Country	United States
Birthplace (normalized)	connecticut

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Kelly

Head · 1940 · age 56 · b. ~1884 · 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 — Kings-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02615-00279)

Line	Name	Age	Relation	Occupation	Birthplace
1	Philip Kodykins	31	Head	Investigator	New York
2	Dorothy Kodykins	31	Wife	Housewife	Pennsylvania
3	Ronald Kodykins	25	Nephew	—	New York
4	Annie Kodykins	60	Mother	—	New York
5	Mary Kelly THIS PERSON	56	Head	—	Connecticut
6	John Kelly	32	Son	Service Man	New York
7	Donald Kelly	24	Son	—	New York
8	James Meagher	35	Head	Teacher	New York
9	William Bilbury	55	Head	Carpenter	Switzerland
10	Anna Bilbury	50	Wife	—	France
11	Rosalind Bilbury	30	Daughter	Stenographer	New York
12	Harry Holtzberg	40	Head	Buyer	New York
13	Belle Holtzberg	31	Wife	Housewife	New York
14	Helen Holtzberg	3	Daughter	—	New York
15	Max Weisblatt	70	Father-in-law	—	Russia
16	Olivia De Lucca	18	Maid	Housekeeper	Pennsylvania
17	Samuel Schotten	29	Head	Dealer	New York
18	Ruth Schotten	23	Wife	Housewife	New York
19	Edward Schotten	3	Son	—	New York
20	Andrew Honecastle	33	Head	Accountant	Canada English
21	Grace Honecastle	25	Wife	Housewife	New York
22	Adelaide Bermingham	58	Head	—	New York
23	Helen Bermingham	31	Daughter	Manager	New York
24	Donald Marquies	31	Head	Manager	New Hampshire
25	Mae Marquies	27	Wife	Housewife	Eire
26	John Weldon	56	Head	Cashier	New York
27	Ann Weldon	52	Wife	—	New York
28	Katharine Jorgensen	25	Daughter	Housekeeper	New York
29	John Dougherty	38	Head	Repairman	New York
30	Sally Dougherty	29	Wife	—	New York
31	Paul Saloff	32	Head	Pharmacist	Russia
32	Sally Saloff	31	Wife	Teacher	New York
33	John Whyte	52	Head	Professor	Wisconsin
34	Isabelle Whyte	52	Wife	—	Colorado
35	Louis Sefren	48	Head	Salesman	Russia
36	Celia Sefren	48	Wife	Housewife	Poland
37	Doris Sefren	22	Daughter	—	New York
38	Hanna Sefren	20	Daughter	—	New York
39	F. John Gel	40	Head	Asst. Cashier	New York
40	D. Rose Gel	33	Wife	Secretary	New York

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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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