Margaret Mcmahon — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Margaret Mcmahon across the 1920, 1930 and 1940 US Censuses in Dutchess-County, New York (XGBoost, ~Confirmed) — first a head (b.~1872), then head of a 9-person household.

Age 68 b. ~1872 Female Head Born: New York Widowed

1940 Census Record Details

Census Year	1940
Location	Dutchess-County, New York
Surname	McMahon
Given Name	Margaret
Relationship to Head	Head
Sex	F
Color / Race	White
Age	68
Marital Status	Widowed
Birthplace	New York
1935 Residence (City)	Beacon City
1935 Residence (County)	Dutchess
Additional Details
Industry	H
Class of Worker	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	Beacon City
Est. Birth Year	~1872

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.

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

Name	Relation to head	Relative to Margaret	Age	Birth yr
Francis Mcmahon	Son	—	41	~1899
Margaret Dinan	Daughter	—	42	~1898
Raymond Mcmahon	Son	—	34	~1906
Agnes Mcmahon	Daughter	—	35	~1905
Dolores Dinan	Other	—	15	~1925
Joseph Mcmahon	Son	—	33	~1907
Veronica Mcmahon	Daughter	—	28	~1912
Margaret Mcmahon	Head	—	68	~1872
Margaret Dinan	Other	—	20	~1920

Census Appearances

1920

Dutchess, New …

Spouse, age 49

Dutchess, New York · implied b. ~1871 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McMahon
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	49
Marital Status	Married
Birthplace	New York
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Dutchess, New …

Other, age 60

Dutchess, New York · implied b. ~1870 — 10 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McMahon
Given Name	Margaret J.
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	60
Marital Status	Married
Birthplace	New York
Age at First Marriage	20
Father's Birthplace	Irish Free State
Mother's Birthplace	Irish Free State
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Dutchess-County, New …

Head, age 68

Dutchess-County, New York · implied b. ~1872 — 9 household members

Surname	McMahon
Given Name	Margaret
Relationship to Head	Head
Sex	F
Color / Race	White
Age	68
Marital Status	Widowed
Birthplace	New York
1935 Residence (City)	Beacon City
1935 Residence (County)	Dutchess
Industry	H
Class of Worker	0
Highest Grade	No 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 Margaret Mcmahon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Margaret Mcmahon

Head · 1940 · age 68 · b. ~1872 · 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 — Dutchess-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02522-00201)

Line	Name	Age	Relation	Occupation	Birthplace
1	May Stevens	40	Wife	—	New York
2	Grace Stevens	36	Sister-in-law	Operator	New York
3	Matilda Hughes	68	Mother-in-law	—	New York
4	Nicholas Lamperti	54	Head	Knitter	Italy
5	Mary Lamperti	45	Wife	Operator	Italy
6	Lucy Lamperti	25	Daughter	Operator	New York
7	Peter Lamperti	22	Son	Knitter	New York
8	William Mandigo	51	Head	Attendant	New York
9	Emma Mandigo	42	Wife	—	New York
10	Emma Mandigo	23	Daughter	Stamper	New York
11	William Mandigo	20	Son	Cook	New York
12	Roy Mandigo	18	Son	Helper	New York
13	Dorothy Mandigo	17	Daughter	—	New York
14	James Mandigo	6	Son	—	New York
15	Stephen Mandigo	5	Son	—	New York
16	Thomas Mandigo	4	Son	—	New York
17	Julia Coyle	66	Head	—	New York
18	Charles Coyle	34	Son	Electrician	New York
19	Ida Coyle	36	Daughter-in-law	—	New York
20	Anna Coyle	8	Granddaughter	—	New York
21	Margaret Coyle	1	Granddaughter	—	New York
22	Michael Manning	63	Brother	—	New York
23	Anthony Seranto	44	Head	Painter	New York
24	Nellie Seranto	38	Wife	Hand Sewer	New York
25	Peter Seranto	17	Son	Buffer	New York
26	Mary Seranto	13	Daughter	—	New York
27	Joseph Seranto	9	Son	—	New York
28	Michaelina Seranto	5	Daughter	—	New York
29	Margaret Stevens	48	Head	Operator	New York
30	Burton Stevens	13	Son	—	New York
31	Margaret Mcmahon THIS PERSON	68	Head	—	New York
32	Francis Mcmahon	41	Son	—	New York
33	Raymond Mcmahon	34	Son	Pouncer	New York
34	Agnes Mcmahon	35	Daughter	Clerk	New York
35	Joseph Mcmahon	33	Son	—	New York
36	Veronica Mcmahon	28	Daughter	Clerk	New York
37	Margaret Dinan	42	Daughter	Trimmer	New York
38	Margaret Dinan	20	Granddaughter	—	New York
39	Dolores Dinan	15	Granddaughter	—	New York
40	Alec Rozman	30	Head	Attendant	Hungary

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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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