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Margaret Mcmahon — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · Kings, New York

Our Model Tree links this Margaret Mcmahon across the 1910 and 1920 US Censuses in Kings, New York (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 9-person household.

Age 11 b. ~1909 Female Daughter Born: New York Single

1920 Census Record Details

Census Year1920
LocationKings, New York
SurnameMcMahon
Given NameMargaret
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age11
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceNew York
Mother's BirthplaceIreland
Additional Details
Occupationnone
Can ReadYes
Can WriteYes
Speaks EnglishYes
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardBorough Of Brooklyn
Est. Birth Year~1909

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 1920 census.

Name Relation to head Relative to Margaret Age Birth yr
Francis Mcmahon Son — 17 ~1903
Richard Mcmahon Son — 15 ~1905
William Mcmahon Son — 9 ~1911
Anna Mcmahon Spouse — 46 ~1874
Thomas Mcmahon Son — 26 ~1894
William Mcmahon Son — 27 ~1893
Joseph Mcmahon Son — 20 ~1900
Margaret Mcmahon Daughter — 11 ~1909
Timothy Mcmahon Head — 48 ~1872

Census Appearances

1910
Kings, New …
Daughter, age 1
Kings, New York · implied b. ~1909 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname McMahon
Given Name Margaret
Relationship to Head Daughter
Sex F
Color / Race White
Age 1
Marital Status Single
Birthplace New York
Father's Birthplace Ireland
Mother's Birthplace Ireland
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1920
Kings, New …
Daughter, age 11
Kings, New York · implied b. ~1909 — 9 household members
Surname McMahon
Given Name Margaret
Relationship to Head Daughter
Sex F
Color / Race White
Age 11
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace Ireland
Occupation none
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Linked across censuses
Our Model Tree links Margaret Mcmahon across 2 US Census years (1910 and 1920) in Kings, New York, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Mcmahon
Daughter · 1920 · age 11 · b. ~1909 · New York
★ You are viewing this record
Sibling
William Mcmahon
Sibling · 1920 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mcmahon
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mcmahon
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcmahon
Sibling · 1920 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mcmahon
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Mcmahon
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1920 US Federal Census — Kings, New York Open full size

Page Contents

50 people indexed on this census page (ia:1920:14thcensusofpopu1178unit:0365)

Line Name Age Relation Occupation Birthplace
51 Paul Jr Moosmann 33 Head Clock Shop England
52 Mabel E Moosmann 26 Wife None New York
53 Albert R Moosmann 7 Son None New York
54 Paul J Moosmann 3 Son None New York
55 Ralph W Moosmann 1 Son None New York
56 George Vayabun 25 Roomer Shoe Repair Turkey
57 Ohan Hermanian 19 Roomer Machinist Turkey
58 Walter A Loose 57 Head Shipping Clerk New York
59 Anna Loose 50 Wife None New York
60 Walter Jr Loose 14 Son None New York
61 Susie Faber 54 Sister-in-law Bookkeeper New York
62 Nathan Feldman 30 Head Fur Russia
63 Anna Feldman 26 Wife None Russia
64 Anna Feldman 62 Mother None Russia
65 Max Katz 30 Brother-in-law Fur Russia
66 Anna Katz 28 Sister None Russia
67 George H Grogan 51 Head Stereotyping Ohio
68 Antha Grogan 50 Wife None Wisconsin
69 Annette De Grossie 39 Head Operator Connecticut
70 Margaret Carrigan 49 Roomer Clerical Clerk Ireland
71 Timothy Mcmahon 48 Head Plumber New York
72 Anna Mcmahon 46 Wife None Ireland
73 William J Mcmahon 27 Son Policeman New York
74 Thomas Mcmahon 26 Son Chauffeur New York
75 Joseph Mcmahon 20 Son Plumber New York
76 Francis T Mcmahon 17 Son Booker New York
77 Richard Mcmahon 15 Son None New York
78 Margaret Mcmahon THIS PERSON 11 Daughter None New York
79 William Mcmahon 9 Son None New York
80 Max Colkin 37 Head Tailor Russia
81 Esther Colkin 32 Wife None Russia
82 Philip Colkin 11 Son None New York
83 Elizabeth Colkin 8 Daughter None New York
84 Evelyn Colkin 3 Daughter None New York
85 William Chuck 36 Head Manager Germany
86 Katherine Chuck 37 Wife None Germany
87 Edna Chuck 14 Daughter None New York
88 Herman Ringen 37 Brother-in-law Manager Germany
89 Morris Salofine 39 Head Drygoods Russia
90 Sarah Salofine 39 Wife None Russia
91 Alto Salofine 12 Daughter None New York
92 Charles Rosa 36 Roomer Shipwright New York
93 Elizabeth Johannes 63 Head None New York
94 Ethel M Johannes 50 Daughter Clerical Clerk Illinois
95 Cora K Johannes 33 Daughter None New York
96 Patrick Starkey 54 Roomer Bookbinder Ireland
97 Gustave William Bantel 34 Head Clerk New York
98 Millicent C Bantel 28 Wife Saleslady New York
99 Peter Vassergren 29 Roomer Candy Maker Germany
100 Henry Vassergren 23 Roomer Candy Maker Germany

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1920 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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