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Margaret Mahoney — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Margaret Mahoney across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 4-person household.

Age 45 b. ~1895 Female Spouse Born: New York Married

1940 Census Record Details

Census Year1940
LocationKings-County, New York
SurnameMahoney
Given NameMargaret E.
Relationship to HeadWife
SexF
Color / RaceWhite
Age45
Marital StatusMarried
BirthplaceNew York
1935 Residence (City)New York City
1935 Residence (County)Kings
Additional Details
Class of WorkerNP
Hours Worked0
Highest GradeNo 8
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardNew York City
Est. Birth Year~1895

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 Margaret Age Birth yr
William Mahoney Son — 8 ~1932
Jeanette Mahoney Daughter — 10 ~1930
Margaret Mahoney Spouse — 45 ~1895
Patrick Mahoney Head — 59 ~1881

Census Appearances

1920
Kings, New …
Spouse, age 23
Kings, New York · implied b. ~1897 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Mahoney
Given Name Margaret
Relationship to Head Wife
Sex F
Color / Race White
Age 23
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
Kings, New …
Spouse, age 34
Kings, New York · implied b. ~1896 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Mahoney
Given Name Margaret
Relationship to Head Wife
Sex F
Color / Race White
Age 34
Marital Status Married
Birthplace New York
Age at First Marriage 29
Father's Birthplace N. Ireland
Mother's Birthplace New York
Occupation none
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Kings-County, New …
Spouse, age 45
Kings-County, New York · implied b. ~1895 — 4 household members
Surname Mahoney
Given Name Margaret E.
Relationship to Head Wife
Sex F
Color / Race White
Age 45
Marital Status Married
Birthplace New York
1935 Residence (City) New York City
1935 Residence (County) Kings
Class of Worker NP
Hours Worked 0
Highest Grade No 8
1935 Residence Same place
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 Mahoney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Mahoney
Spouse · 1940 · age 45 · b. ~1895 · New York
★ You are viewing this record
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Kings-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02581-00698)

Line Name Age Relation Occupation Birthplace
1 Bessie Fast 39 Wife — Russia
2 Saul Fast 18 Son — New York
3 Jacob Fast 14 Son — New York
4 Thomas J. Toomey 48 Head Bookkeeper Clk New York
5 Mary A. Toomey 50 Wife — New York
6 Kathryn L. Toomey 24 Daughter Compt. Clerk New York
7 Winifred E. Toomey 21 Daughter Actress New York
8 Patrick W. Mahoney 59 Head Foreman Ireland
9 Margaret E. Mahoney THIS PERSON 45 Wife — New York
10 Jeanette Mahoney 10 Daughter — Same place
11 William P. Mahoney 8 Son — Same place
12 Thomas F. Lonergan 31 Head Clerk Mass
13 Katherine J. Lonergan 27 Wife — New York
14 Dale Lonergan 2 Daughter — New York
15 Ellen E. Lonergan 34 Neice File Clerk Mass
16 James J. Dunn 31 Head Jr. Pressman New York
17 Martha Dunn 44 Wife Bookkeeper Sten Same place
18 Charles H. Lyon 19 Step-Son Frameur Same place
19 William F. Connors 30 Head Policeman New York
20 Florence Connors 30 Wife Asst Cashier & Bkpr New York
21 William F. Jr. Connors 8 Son — Same place
22 Florence E. Grolich 59 Mother-in-law — Same place
23 May F. Mccauley 38 Head Telephone Opr. Same place
24 Rita C. Gross 35 Sister — Same place
25 Kathleen Gross 9 Niece — Same place
26 Rita Gross 8 Niece — Same place
27 William J. Stanton 28 Head Manager Same place
28 Thomas F. Stanton 22 Brother Manager Same place
29 Charlotte L. Stanton 20 Sister — Same place
30 John W. Thorton 30 In-law Counterman Illinois
31 Maureen J. Thorton 0 Niece — New York
32 Adeline A. Stanton 50 Mother — Same place
33 Matthew F. Mulligan 38 Head Bookkeeper Same place
34 Eugene P. Mulligan 45 Brother Clerk Same place
35 Margaret T. Mulligan 32 Sister Clerk Same place
36 Margaret Mulligan 67 Mother — Ireland
37 Robert E. Welch 46 Head Truckman New York
38 Eleanore J. Welch 38 Wife — Same place
39 Robert E. Jr. Welch 11 Son — Same place
40 Thomas H. Walworth 35 Head Clerk Same place

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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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