Mary Shields — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Shields across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 4-person household.

Age 55 b. ~1885 Female Spouse Born: New York Married

1940 Census Record Details

Census Year	1940
Location	Bronx-County, New York
Surname	Shields
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	55
Marital Status	Married
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Bronx
Additional Details
Class of Worker	0
Highest Grade	8
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	New York City
Est. Birth Year	~1885

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 Mary	Age	Birth yr
Margaret Shields	Daughter	—	24	~1916
William Shields	Son	—	32	~1908
Mary Shields	Spouse	—	55	~1885
William Shields	Head	—	56	~1884

Census Appearances

1920

Bronx, New …

Spouse, age 34

Bronx, New York · implied b. ~1886 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Shields
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	34
Marital Status	Married
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Bronx, New …

Spouse, age 45

Bronx, New York · implied b. ~1885 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Shields
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	45
Marital Status	Married
Birthplace	New York
Age at First Marriage	20
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Bronx-County, New …

Spouse, age 55

Bronx-County, New York · implied b. ~1885 — 4 household members

Surname	Shields
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	55
Marital Status	Married
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Bronx
Class of Worker	0
Highest Grade	8
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

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

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Anchor record

Mary Shields

Spouse · 1940 · age 55 · b. ~1885 · 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 — Bronx-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02484-00116)

Line	Name	Age	Relation	Occupation	Birthplace
1	Rose A Fauchere	38	Wife	—	New York
2	George Fauchere	16	Son	—	New York
3	Paul Fauchere	10	Son	—	New York
4	William Shields	56	Head	Manager	New York
5	Mary Shields THIS PERSON	55	Wife	—	New York
6	William Shields	32	Son	Carpenter	New York
7	Margaret Shields	24	Daughter	—	New York
8	Marie Beran	68	Head	—	Germany
9	Frank Beran	41	Son	Waiter	New York
10	John Pierce	44	Lodger	Waiter	New York
11	Herbert Yaeger	25	Lodger	Clerk	New York
12	Thomas Gulligan	69	Head	Retired Patrolman	New York
13	Mary Gulligan	69	Wife	—	New York
14	Mary Gulligan	43	Daughter	Teacher	New York
15	Eleanor Gulligan	42	Daughter	Teacher	New York
16	Katherine Gulligan	38	Daughter	—	New York
17	Peter J Bentzig	62	Head	Photoengraver	New York
18	Lydia Bentzig	62	Wife	—	New York
19	Harold Bentzig	40	Son	Photoengraver	New York
20	Katie Bentzig	42	Daughter in law	—	New York
21	Geraldine Bentzig	16	Grand daughter	—	New York
22	Harold Bentzig	13	Grand son	—	New York
23	Fred Earn	47	Head	Folding Mach Operator	New York
24	Katherine Earn	47	Wife	—	New York
25	Fred J Earn	19	Son	—	New York
26	Mary Earn	17	Daughter	—	New York
27	William Earn	14	Son	—	New York
28	Arthur Maxwell	52	Head	Longshoreman	England
29	Margaret Maxwell	49	Wife	—	England
30	Ellen Maxwell	25	Daughter	Interior Decorator	England
31	Margaret Maxwell	23	Daughter	Waitress	England
32	Arthur Maxwell	20	Son	—	England
33	Mary Seagrams	72	Mother in law	—	England
34	Edward Seagrams	51	Brother in law	Mail Clerk	England
35	Thomas Seagrams	19	Nephew	—	England
36	Edward Platte	52	Head	Steamfitter	New York
37	William Platte	48	Brother	Electrician	New York
38	Fred Platte	56	Brother	Electrician	New York
39	Katherine Platte	54	Sister in law	—	New York
40	James Hyland	54	Head	Engineer	Eire

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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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