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Margaret Mahoney — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Margaret Mahoney across the 1910, 1920 and 1930 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1856), then head of a 2-person household.
Age 74
b. ~1856
Female
Head
Born: New York
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Mahoney |
| Given Name | Margaret A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | New York |
| Age at First Marriage | 18 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Merrimac Town |
| Est. Birth Year | ~1856 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mahoney | Head | — | 74 | ~1856 |
| Augustin Mahoney | Son | — | 36 | ~1894 |
Census Appearances
1910
Essex, Massachusetts
Head, age 54
Essex, Massachusetts · implied b. ~1856 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahony |
| Given Name | Margaret A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | New York |
| Children Born | 10 |
| Children Living | 3 |
| Father's Birthplace | Ire. English |
| Mother's Birthplace | Ire. English |
| Occupation | Dressmaker |
| Industry | At Home |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
Essex, Massachusetts
Head, age 64
Essex, Massachusetts · implied b. ~1856 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahoney |
| Given Name | Margaret E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Essex, Massachusetts
Head, age 74
Essex, Massachusetts · implied b. ~1856 — 2 household members
| Surname | Mahoney |
| Given Name | Margaret A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | New York |
| Age at First Marriage | 18 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| 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.
Our Model Tree links Margaret Mahoney across 3 US Census years (1910, 1920 and 1930) in Essex, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Margaret Mahoney
Head · 1930 · age 74 · b. ~1856 · Massachusetts
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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 — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel901:0587)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frederick E Gibbs | 44 | Head | Shoe Cutter | Massachusetts |
| 2 | Grace Gibbs | 44 | Wife | None | Massachusetts |
| 3 | Romeo Audette | 33 | Head | Wood Worker | Canada French |
| 4 | Augustine Audette | 25 | Wife | Wood Heel Worker | Canada French |
| 5 | Michael Mahan | 78 | Head | None | Irish Free State |
| 6 | Mary E Noone | 55 | Niece | House Work | Massachusetts |
| 7 | Abbie G Noone | 55 | Niece | None | Massachusetts |
| 8 | Clarence E Libby | 47 | Head | Carpenter | Massachusetts |
| 9 | Mary J Libby | 58 | Wife | Saleslady | Massachusetts |
| 10 | John A Flynn | 34 | Head | Chauffeur | New Hampshire |
| 11 | Mary E Flynn | 26 | Wife | None | Massachusetts |
| 12 | Dorothy E Flynn | 6 | Daughter | None | Massachusetts |
| 13 | John E Flynn | 4 | Son | None | Massachusetts |
| 14 | Charles H Flynn | 3 | Son | None | Massachusetts |
| 15 | James A Flynn | 1 | Son | None | Massachusetts |
| 16 | Charles Martineau | 38 | Head | Tailor | England |
| 17 | Dorothy Martineau | 34 | Wife | None | Massachusetts |
| 18 | Charles B Martineau | 2 | Son | None | Massachusetts |
| 19 | George S Nelson | 45 | Head | House Painter | Vermont |
| 20 | Ruth C Nelson | 45 | Wife | Shoe Worker | Vermont |
| 21 | Frank W Brown | 84 | Father-in-law | None | Vermont |
| 22 | Celia Bailey | 56 | Sister-in-law | House Work | New Hampshire |
| 23 | Mary Gilman | 64 | Head | House Work | Irish Free State |
| 24 | Margaret Gilman | 28 | Daughter | Maid | Massachusetts |
| 25 | Arthur Palmer | 49 | Head | Auto Body Worker | New Hampshire |
| 26 | Mildred Palmer | 42 | Wife | None | New Hampshire |
| 27 | Annie Asher | 74 | Mother-in-law | None | New Hampshire |
| 28 | Mary E Baker | 52 | Sister-in-law | Shoe Worker | New Hampshire |
| 29 | Charles Lamb | 41 | Head | House Painter | Massachusetts |
| 30 | Stella M Lamb | 40 | Wife | None | Massachusetts |
| 31 | Kenneth Lamb | 16 | Son | Bread Maker | Massachusetts |
| 32 | Lucy B Lamb | 11 | Daughter | None | Massachusetts |
| 33 | Charles J Lamb | 9 | Son | None | Massachusetts |
| 34 | Irene Lamb | 7 | Daughter | None | Massachusetts |
| 35 | Dorothy Lamb | 4 | Daughter | None | Massachusetts |
| 36 | William J Lamb | 21 | Head | Metal Worker | Massachusetts |
| 37 | Grace Lamb | 16 | Wife | None | Massachusetts |
| 38 | Patrick Ryan | 69 | Head | Auto Body Worker | Irish Free State |
| 39 | Margaret F Ryan | 61 | Wife | None | Irish Free State |
| 40 | Peter Carden | 42 | Head | Auto Body Worker | Massachusetts |
| 41 | Margaret Carden | 34 | Wife | None | Massachusetts |
| 42 | Louise Carden | 2 | Daughter | None | Massachusetts |
| 43 | Margaret A Mahoney THIS PERSON | 74 | Head | None | New York |
| 44 | Augustin Mahoney | 36 | Son | None | Massachusetts |
| 45 | Charles Potter | 54 | Head | Auto Body Worker | Massachusetts |
| 46 | Cora Potter | 42 | Wife | None | Rhode Island |
| 47 | George Adams | 29 | Head | Auto Body Worker | Massachusetts |
| 48 | Marion Adams | 26 | Wife | Wood Heel Worker | Massachusetts |
| 49 | Charles Hardy | 47 | Head | Foreman | Massachusetts |
| 50 | Vera Hardy | 29 | Wife | None | Massachusetts |
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)