John Monahan — 1910 US Census Record

Linked across censuses

1910 United States Federal Census · Fairfield, Connecticut

Our Model Tree links this John Monahan across the 1900 and 1910 US Censuses in Fairfield, Connecticut (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 7-person household.

Age 40 b. ~1870 Male Head Born: Ireland Married

1910 Census Record Details

Census Year	1910
Location	Fairfield, Connecticut
Surname	Monahan
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	40
Marital Status	Married
Birthplace	Ireland
Years Married	21
Year of Immigration	1886
Naturalization Status	First papers filed
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Additional Details
Occupation	Laborer
Industry	Railway
Birth Country	Ireland
Birthplace (normalized)	ireland
Occupation	Laborer
Township / Ward	Norwalk Town
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.

7 people recorded at the same address in the 1910 census.

Name	Relation to head	Relative to John	Age	Birth yr
James Monahan	Son	—	13	~1897
Margaret Monahan	Daughter	—	7	~1903
John Monahan	Head	—	40	~1870
Catherine Monahan	Daughter	—	4	~1906
Catherine Monahan	Spouse	—	41	~1869
John Monahan	Son	—	10	~1900
Arthur Monahan	Son	—	11	~1899

Census Appearances

1900

Litchfield, Connecticut

Head, age 29

Litchfield, Connecticut · implied b. ~1871 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Monnahan
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Ireland
Birth Month	July
Birth Year	1871
Year of Immigration	1886
Naturalization Status	Naturalized
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Day Laborer
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth Country	Ireland
Birthplace (normalized)	ireland

1910

Fairfield, Connecticut

Head, age 40

Fairfield, Connecticut · implied b. ~1870 — 7 household members

Surname	Monahan
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	40
Marital Status	Married
Birthplace	Ireland
Years Married	21
Year of Immigration	1886
Naturalization Status	First papers filed
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Laborer
Industry	Railway
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

Our Model Tree links John Monahan across 2 US Census years (1900 and 1910) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

John Monahan

Head · 1910 · age 40 · b. ~1870 · Connecticut

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

Original Census Page

1910 US Federal Census — Fairfield, Connecticut Open full size

Page Contents

50 people indexed on this census page (ia:1910:13thcensus1910po130unit:0156)

Line	Name	Age	Relation	Occupation	Birthplace
51	Teresa	18	daughter	Mill Hand	Italy-Magyar
52	Helen	16	daughter	Hand Work	Italy-Magyar
53	Remince	14	daughter	—	Italy-Magyar
54	Julius	7	son	—	Italy-Magyar
55	Charlie Kirdos	50	Head	Carpenter	Italy-Magyar
56	Elizabeth Kirdos	50	wife	—	Italy-Magyar
57	George Rotus	47	Head	Laborer	Italy-Magyar
58	Sarka Rotus	51	wife	—	Italy-Magyar
59	Carrie Rotus	27	daughter	Laundress	Italy-Magyar
60	John Rotus	7	grandson	—	Italy-Magyar
61	Kendall Loxey	33	Head	Laborer	New York
62	Catherine Loxey	31	wife	—	New England
63	Joseph Legal	27	Head	Laborer	Italy-Magyar
64	Verona Legal	21	wife	—	Italy-Magyar
65	Joseph Legal	2	son	—	Connecticut
66	Louis Legal	1	son	—	Connecticut
67	Frederick Banks	51	Head	Painter	Connecticut
68	Florence Banks	57	wife	—	Connecticut
69	Florence Banks	15	daughter	Apprentice	Connecticut
70	Julius Supenroth	51	Head	Setter	Germany
71	Eliza Supenroth	47	wife	—	Germany
72	Bertha Supenroth	13	daughter	—	Connecticut
73	Fanny Supenroth	11	son	—	Connecticut
74	Paul Supenroth	8	son	—	Connecticut
75	Clara Supenroth	6	daughter	—	Connecticut
76	Frederick Supenroth	2	son	—	Connecticut
77	John Monahan THIS PERSON	40	Head	Laborer	Ireland
78	Catherine Monahan	41	wife	—	Ireland
79	James Monahan	13	son	Fireman	New Jersey
80	Arthur Monahan	11	son	Apprentice	Connecticut
81	John Monahan	10	son	Apprentice	Connecticut
82	Margaret Monahan	7	daughter	—	Connecticut
83	Catherine Monahan	4	daughter	—	Connecticut
84	Margaret	37	sister-in-law	Stitcher	Ireland
85	Edward	15	nephew	Apprentice	Connecticut
86	Catherine	10	niece	—	Connecticut
87	Theodore Mayhew	59	Head	Oysterman	Connecticut
88	Jane Mayhew	57	wife	—	Connecticut
89	Isaac James	47	Head	Stableman	Georgia
90	Samuel James	17	son	—	Connecticut
91	John James	15	son	—	Connecticut
92	George Munzo	34	Head	Laborer	Italy
93	Edward Munzo	34	wife	—	Italy
94	Adeline Munzo	13	daughter	—	Connecticut
95	Angelina Munzo	11	daughter	—	Connecticut
96	Ralph Munzo	9	son	—	Connecticut
97	George Munzo	7	son	—	Connecticut
98	Philip Munzo	5	son	—	Connecticut
99	Tony Munzo	3	son	—	Connecticut
100	Arthur Munzo	1	son	—	Connecticut

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1910 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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