MD
Margaret Duffy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · New York, New York
Our Model Tree links this Margaret Duffy across the 1910, 1920, 1930 and 1940 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 3-person household.
Age 60
b. ~1870
Female
Head
Born: Ireland
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | New York, New York |
| Surname | Duffy |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1896 |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | R |
| Home Value / Rent | 60 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| 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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Duffy | Daughter | — | 22 | ~1908 |
| Frank Duffy | Son | — | 25 | ~1905 |
| Margaret Duffy | Head | — | 60 | ~1870 |
Census Appearances
1910
New York, …
Other, age 42
New York, New York · implied b. ~1868 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffy |
| Given Name | Margaret |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1892 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
New York, …
Other, age 52
New York, New York · implied b. ~1868 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffy |
| Given Name | Margaret |
| Relationship to Head | Mother |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1887 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Maid |
| Industry | Club |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
New York, …
Head, age 60
New York, New York · implied b. ~1870 — 3 household members
| Surname | Duffy |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1896 |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | R |
| Home Value / Rent | 60 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
New-York-County, New …
Other, age 70
New-York-County, New York · implied b. ~1870 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | DUFFY |
| Given Name | MARARET |
| Relationship to Head | MOTHER-IN-LAW |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | IRELAND |
| 1935 Residence (City) | NEW YORK |
| 1935 Residence (County) | NEW YORK |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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.
Our Model Tree links Margaret Duffy across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Duffy
Head · 1930 · age 60 · b. ~1870 · 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
1930 US Federal Census — New York, New York
Page Contents
50 people indexed on this census page (ia:1930:newyorkcensus00reel1559:0662)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Mckernan | 69 | Head | Checking | England |
| 52 | Mary Mckernan | 66 | Wife | None | New York |
| 53 | Catherine Mckernan | 39 | Daughter | Milliner | New York |
| 54 | Ellen Mckernan | 36 | Daughter | Milliner | New York |
| 55 | Dorothy Lynch | 18 | Grd daughter | Operator | New York |
| 56 | Benjamin Ackerman | 47 | Head | Manager | Hungary |
| 57 | Zobina Ackerman | 35 | Wife | None | New York |
| 58 | Leonore Ackerman | 16 | Daughter | Bookkeeper | New York |
| 59 | Sylvia Ackerman | 13 | Daughter | None | New York |
| 60 | Sheldon Ackerman | 2 | Son | None | New York |
| 61 | John F. Baxter | 54 | Head | Police Lt. | New York |
| 62 | Anna Baxter | 48 | Wife | None | New York |
| 63 | John F. Jr. Baxter | 22 | Son | Cashier | New York |
| 64 | William J. Baxter | 14 | Son | None | New York |
| 65 | Margaret Duffy THIS PERSON | 60 | Head | None | Ireland |
| 66 | Frank Duffy | 25 | Son | Printer | New York |
| 67 | Margaret Duffy | 22 | Daughter | Secretary | New York |
| 68 | Anna Silverman | 40 | Head | None | Russia |
| 69 | Fay Silverman | 20 | Daughter | Secretary | New York |
| 70 | William Gorman | 23 | Head | Electrician | New Jersey |
| 71 | Anna Gorman | 24 | Wife | None | Ireland |
| 72 | Cornelius Gorman | 3 | Son | None | New York |
| 73 | William Gorman | 1 | Son | None | New York |
| 74 | Michael Hogan | 60 | Head | Electrician | Ireland |
| 75 | Lizzie Hogan | 63 | Wife | None | Ireland |
| 76 | Philip O'Mara | 24 | Nephew | Agent | Ireland |
| 77 | Patrick O'Mara | 27 | Nephew | Oiler | Ireland |
| 78 | Joseph Mcgowan | 67 | Head | Laborer | Ireland |
| 79 | Mary Mcgowan | 64 | Wife | None | New York |
| 80 | Vincent Viscardi | 45 | Head | Barber | Italy |
| 81 | Emma Viscardi | 43 | Wife | None | Hungary |
| 82 | Helen Viscardi | 22 | Daughter | Operator | New York |
| 83 | Rosemary Viscardi | 21 | Daughter | Operator | New York |
| 84 | Helen Viscardi | 19 | Daughter | Operator | New York |
| 85 | Emma Viscardi | 18 | Daughter | Operator | Florida |
| 86 | Chas. J. Viscardi | 15 | Son | None | Florida |
| 87 | Vincent J. Viscardi | 8 | Son | None | New York |
| 88 | Catherine Mansell | 62 | Head | Housekeeper | Ireland |
| 89 | Mary Mansell | 42 | Wife | None | Ireland |
| 90 | Helen Mansell | 14 | Daughter | None | New York |
| 91 | Julia Mansell | 12 | Daughter | None | New York |
| 92 | Elizabeth Mansell | 10 | Daughter | None | New York |
| 93 | Thomas Mansell | 8 | Son | None | New York |
| 94 | Lillian Mansell | 7 | Daughter | None | New York |
| 95 | Ellen Murray | 28 | Head | Operator | Ireland |
| 96 | Margaret Murray | 33 | Daughter | Educator | New York |
| 97 | William Murray | 31 | Son | Truck Driver | New York |
| 98 | Frank Murray | 29 | Son | Laborer | New York |
| 99 | Arline Murray | 28 | Daughter | Operator | New York |
| 100 | Walter Murray | 27 | Son | Laborer | New York |
Related Census Records
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)