James Mcmahon — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · New York, New York

Our Model Tree links this James Mcmahon across the 1920 and 1930 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a head (b.~1869), then head of a 11-person household.

Age 61 b. ~1869 Male Head Born: New York Married

1930 Census Record Details

Census Year	1930
Location	New York, New York
Surname	McMahon
Given Name	James
Relationship to Head	Head
Sex	M
Color / Race	White
Age	61
Marital Status	Married
Birthplace	New York
Age at First Marriage	27
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Additional Details
Occupation	Shipping Clerk
Industry	Dry Goods
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	65
Radio Set	R
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Occupation	Shipping Clerk
Township / Ward	New York City Manhattan Borough
Est. Birth Year	~1869

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.

11 people recorded at the same address in the 1930 census.

Name	Relation to head	Relative to James	Age	Birth yr
Helen Regan	Daughter	—	11	~1919
James Mcmahon	Head	—	61	~1869
William Regan	Other	—	35	~1895
James Linder	Other	—	33	~1897
Joseph Regan	Son	—	10	~1920
James Regan	Son	—	13	~1917
Francis Mcmahon	Son	—	21	~1909
William Regan	Son	—	17	~1913
Cyril Regan	Son	—	16	~1914
John Regan	Son	—	19	~1911
Mary Mcmahon	Spouse	—	59	~1871

Census Appearances

1920

New York, …

Head, age 50

New York, New York · implied b. ~1870 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McMahon
Given Name	James
Relationship to Head	Head
Sex	M
Color / Race	White
Age	50
Marital Status	Married
Birthplace	New York
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Clerk
Industry	Express Office
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Home Owned/Rented	R
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

New York, …

Head, age 61

New York, New York · implied b. ~1869 — 11 household members

Surname	McMahon
Given Name	James
Relationship to Head	Head
Sex	M
Color / Race	White
Age	61
Marital Status	Married
Birthplace	New York
Age at First Marriage	27
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Shipping Clerk
Industry	Dry Goods
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	65
Radio Set	R
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links James Mcmahon across 2 US Census years (1920 and 1930) in New York, New York, using XGBoost record linkage.

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Anchor record

James Mcmahon

Head · 1930 · age 61 · b. ~1869 · New York

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1930 US Federal Census — New York, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1578:0630)

Line	Name	Age	Relation	Occupation	Birthplace
51	Cordita Aygrid Lordis	17	Daughter	—	Albania
52	Christ Lordis	22	Son	Counterman	Albania
53	James Lordis	20	Son	Handy	Albania
54	Alicia Lordis	15	Daughter	—	Albania
55	Andrew Lordis	7	Son	—	New York
56	Nicholas Lordis	5	Son	—	New York
57	Mike Tassing	24	Cousin	Counterman	Albania
58	James Mcmahon THIS PERSON	61	Head	Shipping Clerk	New York
59	Mary Mcmahon	59	Wife	—	New York
60	Francis Mcmahon	21	Son	Law Clerk	New York
61	James Linder	33	Step son	Law Clerk	New York
62	William F. Regan	35	Boarder	Patrolman	New York
63	John M. Regan	19	Son	Banker	New York
64	William F. Jr. Regan	17	Son	Banker	New York
65	Cyril R. Regan	16	Son	Student	New York
66	James P. Regan	13	Son	—	New York
67	Helen M. Regan	11	Daughter	—	New York
68	Joseph Regan	10	Son	—	New York
69	Ubertz Giammanelli	49	Head	—	Italy
70	Joseph Giammanelli	23	Son	Express	New York
71	Mary Giammanelli	22	Daughter	Artificial Flowers	New York
72	Edith Giammanelli	17	Daughter	Telephone	New York
73	Nicola Giammanelli	15	Son	—	New York
74	Alphonso Giammanelli	12	Son	—	New York
75	Hans P. Smith	45	Head	Barber	Denmark
76	Louise Smith	40	Wife	—	Czechoslovakia
77	Alice Oursin	19	Daughter	—	New York
78	Paul Oursin	22	Son-in-law	Fireman	Washington D.C.
79	Hans P. Smith	17	Son	Seaman	New York
80	Walter Smith	11	Son	—	New York
81	Patricia Smith	5	Daughter	—	New York
82	James J. Holland	59	Head	Letter Carrier	Rhode Island
83	Mary E. Holland	54	Wife	—	Ireland
84	Karl F. Holland	26	Daughter	Typist	New York
85	James J. Holland	24	Son	Reporter	New York
86	Charles J. Holland	20	Son	Broker'S Office	New York
87	Thomas J. Brennan	37	Head	Policeman	Ireland
88	Bridget Brennan	32	Wife	—	Ireland
89	Charles Mulvey	40	Boarder	Laborer	Ireland
90	John Heaney	31	Boarder	Plumber	Ireland
91	Arthur Goethel	54	Head	P. O. Clerk	New York
92	Lucinda Goethel	52	Wife	—	Massachusetts
93	William Goethel	24	Son	P. O.	New York
94	Arthur Goethel	19	Son	Mechanic	New York
95	John Goethel	14	Son	—	New York
96	George Goethel	12	Son	—	New York
97	Nick Tanaca	48	Head	Waiter	Greece
98	Theresa Tanaca	37	Wife	—	Turkey
99	Rita Tanaca	12	Daughter	—	Missouri
100	Catherine Tanaca	10	Daughter	—	Missouri

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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