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Margaret Mahoney — 1930 US Census Record
Model Tree available1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Margaret Mahoney across the 1910, 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1896), then head of a 5-person household.
Age 34
b. ~1896
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Mahoney |
| Given Name | Margaret E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1896 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mahoney | Daughter | — | 34 | ~1896 |
| Alice Mahoney | Daughter | — | 28 | ~1902 |
| Margaret Mahoney | Head | — | 59 | ~1871 |
| James Mahoney | Son | — | 27 | ~1903 |
| John Mahoney | Son | — | 32 | ~1898 |
Census Appearances
1910
Suffolk, Massachusetts
Daughter, age 15
Suffolk, Massachusetts · implied b. ~1895 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahoney |
| Given Name | Margaret A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Daughter, age 24
Suffolk, Massachusetts · implied b. ~1896 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahoney |
| Given Name | Margaret E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | clerk |
| Industry | insurance office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Daughter, age 34
Suffolk, Massachusetts · implied b. ~1896 — 5 household members
| Surname | Mahoney |
| Given Name | Margaret E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Suffolk, Massachusetts, using XGBoost record linkage. Identified parents: father John Mahoney (~0.92 confidence) and father John Mahoney (~0.92 confidence) and mother Catherine Mahoney (~0.92 confidence) and mother Margaret Mahoney (~0.92 confidence) and mother Margaret Mahoney (~0.92 confidence) and father Jeremiah Mahoney (~0.82 confidence) and mother Margaret Mahoney (~0.82 confidence). The pedigree spans 2 generations with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.89
Father
John Mahoney
b. ~1870
Source father
● Household
· direct · ~0.92
Father
John Mahoney
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Catherine Mahoney
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Margaret Mahoney
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Margaret Mahoney
b. ~1872
Source mother
● Household
· direct · ~0.92
Father
Jeremiah Mahoney
b. ~1842
Source mother>father
● Household
· direct · ~0.82
Mother
Margaret Mahoney
b. ~1842
Source mother>mother
● Household
· direct · ~0.82
This person
Anchor record
Margaret Mahoney
Daughter · 1930 · age 34 · b. ~1896 · Massachusetts
★ You are viewing this record
Sibling
John Mahoney
Sibling · 1930 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mahoney
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mahoney
Sibling · 1930 · age 27
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
1930 US Federal Census — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel950:1138)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Rudnick | 50 | Head | Agent | Russia |
| 2 | Ida Rudnick | 50 | Wife | — | Russia |
| 3 | Louis Rudnick | 22 | Son | Agent | Massachusetts |
| 4 | Sidney Rudnick | 20 | Son | — | Massachusetts |
| 5 | Margaret Connolly | 28 | Servant | Maid | Irish Free State |
| 6 | Frank Gross | 53 | Head | Junk Buyer | Russia |
| 7 | Rosie Gross | 49 | Wife | — | Russia |
| 8 | Beatrice Gross | 21 | Daughter | Secretary | Massachusetts |
| 9 | Herman Gross | 19 | Son | — | Rhode Island |
| 10 | Samuel Gross | 15 | Son | — | Massachusetts |
| 11 | Thomas H. Ruben | 57 | Head | Dept. Baker | Massachusetts |
| 12 | Mary G. Ruben | 57 | Wife | — | Massachusetts |
| 13 | Nelsie R. Steppen | 52 | Sister-in-law | — | Massachusetts |
| 14 | Clement F. Steppen | 54 | Brother-in-law | Shipper | Massachusetts |
| 15 | Margaret Mahoney | 59 | Head | — | Massachusetts |
| 16 | Margaret E. Mahoney THIS PERSON | 34 | Daughter | — | Massachusetts |
| 17 | John J. Mahoney | 32 | Son | Operator | Massachusetts |
| 18 | Alice M. Mahoney | 28 | Daughter | Secretary | Massachusetts |
| 19 | James N. Mahoney | 27 | Son | Salesman | Massachusetts |
| 20 | Edward Walker | 67 | Head | — | Colorado |
| 21 | Virginia S. Walker | 34 | Daughter | Secretary | Utah |
| 22 | Elizabeth G. Walker | 80 | Head-in-law | — | New Hampshire |
| 23 | Catherine Walker | 70 | Sister-in-law | — | New Hampshire |
| 24 | Solomon Heller | 58 | Head | Agent | Russia |
| 25 | Sarah Heller | 50 | Wife | — | Russia |
| 26 | Ida Heller | 20 | Daughter | Stenographer | Massachusetts |
| 27 | Eleanor Heller | 18 | Daughter | Stenographer | Massachusetts |
| 28 | Joseph Halbert | 40 | Head | Real Estate | Russia |
| 29 | Esther Halbert | 35 | Wife | — | Russia |
| 30 | Leon Halbert | 3 | Son | — | Massachusetts |
| 31 | Cynthia Halbert | 1 | Daughter | — | Massachusetts |
| 32 | Isaac Nadell | 71 | Head | — | Austria |
| 33 | Abraham Nadell | 44 | Son | Draftsman | England |
| 34 | Martha Nadell | 28 | Daughter | Music | Massachusetts |
| 35 | Max Risman | 45 | Head | Contractor | Russia |
| 36 | Rosa Risman | 42 | Wife | — | Austria |
| 37 | Anna Risman | 20 | Daughter | — | Massachusetts |
| 38 | Edward Risman | 18 | Son | — | Massachusetts |
| 39 | George Risman | 12 | Son | — | Massachusetts |
| 40 | Daniel Titnoff | 52 | Head | Retail Merchant | Russia |
| 41 | Lena Titnoff | 53 | Wife | — | Russia |
| 42 | Minna Titnoff | 28 | Daughter | — | Massachusetts |
| 43 | Elsie Titnoff | 24 | Daughter | Stenographer | Massachusetts |
| 44 | Lawrence Bennett | 24 | Nephew | Agent | Massachusetts |
| 45 | Joseph Bennett | 20 | Nephew | Salesman | Massachusetts |
| 46 | Joseph Hittin | 50 | Head | Peddler | Russia |
| 47 | Ida Hittin | 49 | Wife | — | Russia |
| 48 | Vera Hittin | 21 | Daughter | Clerk-Office | Massachusetts |
| 49 | Anna Hittin | 17 | Daughter | Stenographer | Massachusetts |
| 50 | Charles Huberman | 46 | Head | Proprietor | Russia |
Pedigree Summary
Margaret + 3 siblings
Gen 1 · 5 parents
~0.92
Gen 2 · 2 grandparents
~0.82
Max depth 4 (1900–1950 window)
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)