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Margaret Brennan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Strafford, New Hampshire
Our Model Tree links this Margaret Brennan across the 1910, 1920 and 1930 US Censuses in Strafford, New Hampshire (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a daughter (b.~1898), then head of a 5-person household.
Age 32
b. ~1898
Female
Daughter
Born: New Hampshire
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Strafford, New Hampshire |
| Surname | Brennan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New Hampshire |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Woolen mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Stenographer |
| Township / Ward | Rochester City |
| Est. Birth Year | ~1898 |
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 |
|---|---|---|---|---|
| Frank Brennan | Head | — | 58 | ~1872 |
| Agnes Brennan | Daughter | — | 31 | ~1899 |
| Margaret Brennan | Daughter | — | 32 | ~1898 |
| Rose Brennan | Daughter | — | 34 | ~1896 |
| Louise Brennan | Daughter | — | 29 | ~1901 |
Census Appearances
1910
Strafford, New …
Daughter, age 12
Strafford, New Hampshire · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Strafford, New …
Daughter, age 21
Strafford, New Hampshire · implied b. ~1899 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New Hampshire |
| Occupation | Shoe worker |
| Industry | Shoe factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Strafford, New …
Daughter, age 32
Strafford, New Hampshire · implied b. ~1898 — 5 household members
| Surname | Brennan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New Hampshire |
| Occupation | Stenographer |
| Industry | Woolen mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Brennan across 3 US Census years (1910, 1920 and 1930) in Strafford, New Hampshire, using XGBoost record linkage. Identified parents: father Frank Brennan (~0.92 confidence) and father Frank Brennan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Brennan
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Frank Brennan
b. ~1872
Source father
● Household
· direct · ~0.92
This person
Anchor record
Margaret Brennan
Daughter · 1930 · age 32 · b. ~1898 · New Hampshire
★ You are viewing this record
Sibling
Agnes Brennan
Sibling · 1930 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Brennan
Sibling · 1930 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Brennan
Sibling · 1930 · age 29
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 — Strafford, New Hampshire
Open full size
1930 US Federal Census — Strafford, New Hampshire
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1306unit:0748)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sherman E Phillips | 52 | Head | Laborer | Maine |
| 2 | Alice Phillips | 40 | Wife-H | — | New Hampshire |
| 3 | Ella G Mccabe | 51 | Head-H | — | New Hampshire |
| 4 | Henry J Mccabe | 64 | Brother | Shoe Cutter | Scotland |
| 5 | Alex Nadeau | 52 | Head-H | — | Canada French |
| 6 | Rose Nadeau | 21 | Daughter | Spinner | Canada French |
| 7 | Irene Nadeau | 15 | Daughter | Twister | New Hampshire |
| 8 | George Nadeau | 13 | Son | — | New Hampshire |
| 9 | Curtis Doris Nadeau | 24 | Daughter | Winder | New Hampshire |
| 10 | Vien Mary Nadeau | 55 | Boarder | — | Canada French |
| 11 | Thomas Brennan | 54 | Head | Shoe Maker | Ireland |
| 12 | Josephine Brennan | 31 | Daughter | Stitcher | New Hampshire |
| 13 | Nellie Brennan | 19 | Daughter | Stitcher | New Hampshire |
| 14 | Everett Demers | 26 | Daughter-H | — | New Hampshire |
| 15 | Phyllis Demers | 3 | Daughter | — | New Hampshire |
| 16 | Ernest Campbell | 25 | Head | Laborer | New Hampshire |
| 17 | Winifred Campbell | 19 | Wife-H | — | New Hampshire |
| 18 | Richard Campbell | 0 | Son | — | New Hampshire |
| 19 | James E Callaghan | 45 | Head | Heeler | New Hampshire |
| 20 | Mary Callaghan | 39 | Wife-H | — | New Hampshire |
| 21 | James Callaghan | 10 | Son | — | New Hampshire |
| 22 | Arnold Callaghan | 8 | Son | — | New Hampshire |
| 23 | Patricia Callaghan | 6 | Daughter | — | New Hampshire |
| 24 | Blanche Orlando | 16 | Servant | Housekeeper | Massachusetts |
| 25 | Frank Brennan | 58 | Head | Shoe Cutter | Ireland Free State |
| 26 | Rose Brennan | 34 | Daughter | Stitcher | New Hampshire |
| 27 | Margaret Brennan THIS PERSON | 32 | Daughter | Stenographer | New Hampshire |
| 28 | Agnes Brennan | 31 | Daughter | Cutter | New Hampshire |
| 29 | Louise Brennan | 29 | Daughter | Cutter | New Hampshire |
| 30 | Margaret Troy | 66 | Head-H | — | New Hampshire |
| 31 | Michael Troy | 46 | Son | Cutter | New Hampshire |
| 32 | Catherine Troy | 30 | Daughter | Spinner | New Hampshire |
| 33 | John Berry | 27 | Head | Stitcher | New Hampshire |
| 34 | Mary Berry | 27 | Wife-H | — | New Hampshire |
| 35 | James Jr Brennan | 32 | Head | Merchant | New Hampshire |
| 36 | Agatha Brennan | 29 | Wife-H | — | Massachusetts |
| 37 | Jane Brennan | 4 | Daughter | — | New Hampshire |
| 38 | James Jr 2 Brennan | 2 | Son | — | New Hampshire |
| 39 | Mary Brennan | 1 | Daughter | — | New Hampshire |
| 40 | Charles Brennan | 0 | Son | — | New Hampshire |
| 41 | Michael Casey | 60 | Head-H | — | Ireland Free State |
| 42 | Catherine Casey | 24 | Daughter | — | New Hampshire |
| 43 | Nellie Chamberlain | 72 | Head-H | Stitcher | New Hampshire |
| 44 | Eliza A Chamberlain | 92 | Mother | — | New Hampshire |
| 45 | Mary Mcguire | 70 | Head-H | — | Ireland North |
| 46 | Agnes Mcguire | 35 | Daughter | Clerk | New Hampshire |
| 47 | Francis Mcguire | 37 | Son | Laborer | New Hampshire |
| 48 | William J Miller | 52 | Head | Shoe Maker | New York |
| 49 | Barbara Miller | 21 | Daughter | Clerk | New Hampshire |
| 50 | Teresa Miller | 18 | Daughter | — | New Hampshire |
Pedigree Summary
Margaret + 3 siblings
Gen 1 · 2 parents
~0.92
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)