MF
Margaret Flynn — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Margaret Flynn across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Thomas — first a daughter (b.~1910), then head of a 7-person household.
Age 20
b. ~1910
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Flynn |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | typer |
| Industry | Thread Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Typer |
| Township / Ward | Lowell City |
| Est. Birth Year | ~1910 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Claire Flynn | Daughter | — | 9 | ~1921 |
| Margaret Flynn | Daughter | — | 20 | ~1910 |
| Anna Flynn | Daughter | — | 13 | ~1917 |
| Rita Flynn | Daughter | — | 15 | ~1915 |
| Agnes Flynn | Daughter | — | 18 | ~1912 |
| Thomas Flynn | Head | — | 46 | ~1884 |
| Annie Flynn | Other | — | 44 | ~1886 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 1
Middlesex, Massachusetts · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 10
Middlesex, Massachusetts · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 20
Middlesex, Massachusetts · implied b. ~1910 — 7 household members
| Surname | Flynn |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | typer |
| Industry | Thread Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Flynn across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father John Flynn (~0.92 confidence) and father Thomas Flynn (~0.92 confidence) and mother Alice Flynn (~0.92 confidence) and father Thomas Flynn (~0.92 confidence) and mother Agnes Flynn (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Flynn
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Thomas Flynn
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Alice Flynn
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Thomas Flynn
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Agnes Flynn
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Flynn
Daughter · 1930 · age 20 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
Agnes Flynn
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claire Flynn
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Flynn
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Flynn
Sibling · 1930 · age 15
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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel921:0715)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Fitzgerald | 60 | Head | Operative | Irish Free State |
| 2 | Mary Fitzgerald | 59 | wife-H | None | Irish Free State |
| 3 | Robert Fitzgerald | 26 | son | Printer | Massachusetts |
| 4 | Steven Fitzgerald | 19 | son | Printer | Massachusetts |
| 5 | Claire Fitzgerald | 24 | daughter | None | Massachusetts |
| 6 | Archard Gervais | 28 | Head | Machinist | Canada-French |
| 7 | Lucy Gervais | 27 | wife-H | None | Canada-French |
| 8 | Marcel Gervais | 5 | son | None | Vermont |
| 9 | Odin J Gaudette | 48 | uncle | Operative | Canada-French |
| 10 | Richard J Kennedy | 50 | Head | Laborer | Irish Free State |
| 11 | Anne Kennedy | 50 | wife-H | None | Irish Free State |
| 12 | Hugh S Walker | 65 | Head | None | Massachusetts |
| 13 | Mary E Walker | 60 | wife-H | None | Massachusetts |
| 14 | Frederick J Walker | 40 | son | Carpenter | Massachusetts |
| 15 | Lillian G Walker | 28 | daughter | Stenographer | Massachusetts |
| 16 | Hugh F Walker | 30 | son | Clerk | Massachusetts |
| 17 | Harold J Walker | 23 | son | Mechanic | Massachusetts |
| 18 | Patrick W Casey | 55 | Head | Laborer | Irish Free State |
| 19 | Catherine Casey | 53 | wife-H | None | Irish Free State |
| 20 | Mary Casey | 29 | daughter | Stitcher | Massachusetts |
| 21 | Catherine Casey | 27 | daughter | Saleslady | Massachusetts |
| 22 | John Casey | 25 | son | Compositor | Massachusetts |
| 23 | Joseph Casey | 22 | son | Reporter | Massachusetts |
| 24 | William Casey | 12 | son | None | Massachusetts |
| 25 | Thomas Flynn | 46 | Head | Laborer | Massachusetts |
| 26 | Annie G Flynn | 44 | wife-H | None | Massachusetts |
| 27 | Margaret Flynn THIS PERSON | 20 | daughter | Typer | Massachusetts |
| 28 | Agnes Flynn | 18 | daughter | None | Massachusetts |
| 29 | Rita Flynn | 15 | daughter | None | Massachusetts |
| 30 | Anna Flynn | 13 | daughter | None | Massachusetts |
| 31 | Claire Flynn | 9 | daughter | None | Massachusetts |
| 32 | Peter Kourakis | 49 | Head | Laborer | Greece |
| 33 | Sophie Kourakis | 46 | wife-H | None | Greece |
| 34 | Eva Kourakis | 10 | daughter | None | Massachusetts |
| 35 | Theresa Kourakis | 9 | daughter | None | Massachusetts |
| 36 | Mary Kourakis | 7 | daughter | None | Massachusetts |
| 37 | Christo Kourakis | 6 | son | None | Massachusetts |
| 38 | Sotiria Kourakis | 4 | daughter | None | Massachusetts |
| 39 | Georgia Kourakis | 2 | daughter | None | Massachusetts |
| 40 | Arthur Kourakis | 1 | son | None | Massachusetts |
| 41 | Zoe Giogkas | 50 | daughter | None | Greece |
| 42 | Christo Giogkas | 10 | grandson | Spinner | Greece |
| 43 | Mary Molloy | 66 | Head-H | None | Irish Free State |
| 44 | Mary J Molloy | 29 | daughter | Bookkeeper | Massachusetts |
| 45 | William H Molloy | 27 | son | Operative | Massachusetts |
| 46 | John T Molloy | 25 | son | Salesman | Massachusetts |
| 47 | Charles P Molloy | 23 | son | Clerk | Massachusetts |
| 48 | John Cavanaugh | 36 | Head | None | Massachusetts |
| 49 | Daniel J Cavanaugh | 34 | brother | Salesman | Massachusetts |
| 50 | Florence Cavanaugh | 21 | sister | Saleswoman | Massachusetts |
Pedigree Summary
Margaret + 4 siblings
Gen 1 · 5 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)