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Margaret Griffin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Margaret Griffin across the 1910, 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents Leo & Leo — first a daughter (b.~1908), then head of a 12-person household.
Age 22
b. ~1908
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Griffin |
| Given Name | Margaret M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | bookkeeper |
| Industry | office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Bookkeeper |
| Township / Ward | Boston City |
| Est. Birth Year | ~1908 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Eleanor Griffin | Daughter | — | 16 | ~1914 |
| Mary Connorton | Other | — | 62 | ~1868 |
| Leo Griffin | Son | — | 9 | ~1921 |
| Kathleen Griffin | Daughter | — | 4 | ~1926 |
| Leo Griffin | Head | — | 50 | ~1880 |
| Annie Griffin | Spouse | — | 47 | ~1883 |
| Mary Griffin | Daughter | — | 11 | ~1919 |
| Geraldine Griffin | Daughter | — | 6 | ~1924 |
| Margaret Griffin | Daughter | — | 22 | ~1908 |
| Anna Griffin | Daughter | — | 14 | ~1916 |
| John Griffin | Son | — | 18 | ~1912 |
| Alice Griffin | Daughter | — | 1 | ~1929 |
Census Appearances
1910
Suffolk, Massachusetts
Daughter, age 2
Suffolk, Massachusetts · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Daughter, age 12
Suffolk, Massachusetts · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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 |
1930
Suffolk, Massachusetts
Daughter, age 22
Suffolk, Massachusetts · implied b. ~1908 — 12 household members
| Surname | Griffin |
| Given Name | Margaret M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | bookkeeper |
| Industry | office |
| Class of Worker | W |
| 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 Griffin across 3 US Census years (1910, 1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage. Identified parents: father Leo Griffin (~0.92 confidence) and father Leo Griffin (~0.92 confidence) and father Leo Griffin (~0.92 confidence) and mother Anna Griffin (~0.92 confidence) and mother Annie Griffin (~0.92 confidence) and mother Lorna Griffin (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Leo Griffin
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Leo Griffin
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Leo Griffin
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Anna Griffin
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Annie Griffin
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Lorna Griffin
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Griffin
Daughter · 1930 · age 22 · b. ~1908 · Massachusetts
★ You are viewing this record
Sibling
Alice Griffin
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Griffin
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Griffin
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Griffin
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Griffin
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Griffin
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Griffin
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Griffin
Sibling · 1930 · age 16
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:massachusettscensus00reel942:0916)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John D Mahoney | 29 | Head | Plumber | Irish Free State |
| 2 | Julia J Mahoney | 30 | Wife | None | Irish Free State |
| 3 | Daniel Mahoney | 2 | Son | None | Massachusetts |
| 4 | Jeremiah Kent | 32 | Brother-in-law | Laborer | Irish Free State |
| 5 | — | None | — | — | — |
| 6 | — | None | — | — | — |
| 7 | Michael J Kent | 38 | Head | Laborer | Irish Free State |
| 8 | Bridget M Kent | 39 | Wife | None | Irish Free State |
| 9 | James Kent | 9 | Son | None | Massachusetts |
| 10 | Daniel Kent | 8 | Son | None | Massachusetts |
| 11 | Mary Kent | 7 | Daughter | None | Massachusetts |
| 12 | Anna Kent | 1 | Daughter | None | Massachusetts |
| 13 | Ruth Lawler | 35 | Head | Winder | Massachusetts |
| 14 | Manuel Morris | 28 | Head | Shipper | Portugal |
| 15 | Rachel M Morris | 22 | Wife | None | Massachusetts |
| 16 | Joseph M Morris | 2 | Son | None | Massachusetts |
| 17 | Gloria M Morris | 0 | Daughter | None | Massachusetts |
| 18 | John R Neary | 33 | Head | Investigator | Canada-English |
| 19 | Mary Neary | 29 | Wife | Packer | Canada-English |
| 20 | Doris M Neary | 5 | Daughter | None | Canada-English |
| 21 | Mary Mason | 67 | Mother-in-law | None | Canada-English |
| 22 | Leo H Griffin | 50 | Head | Retired | Massachusetts |
| 23 | Annie E Griffin | 47 | Wife | None | Massachusetts |
| 24 | Margaret M Griffin THIS PERSON | 22 | Daughter | Bookkeeper | Massachusetts |
| 25 | John J Griffin | 18 | Son | Clerk | Massachusetts |
| 26 | Eleanor D Griffin | 16 | Daughter | Stock Girl | Massachusetts |
| 27 | Anna E Griffin | 14 | Daughter | None | Massachusetts |
| 28 | Mary Griffin | 11 | Daughter | None | Massachusetts |
| 29 | Leo H Griffin | 9 | Son | None | Massachusetts |
| 30 | Geraldine Griffin | 6 | Daughter | None | Massachusetts |
| 31 | Kathleen Griffin | 4 | Daughter | None | Massachusetts |
| 32 | Alice Griffin | 1 | Daughter | None | Massachusetts |
| 33 | Mary G Connorton | 62 | Sister | Bookkeeper | Massachusetts |
| 34 | William A Maisey | 41 | Head | Wire Worker | Massachusetts |
| 35 | Margaret M Maisey | 36 | Wife | Laundress | Irish Free State |
| 36 | Margaret M Maisey | 14 | Daughter | None | Massachusetts |
| 37 | William J Maisey | 11 | Son | None | Massachusetts |
| 38 | Rosemarie Maisey | 9 | Daughter | None | Massachusetts |
| 39 | Anna L Maisey | 6 | Daughter | None | Massachusetts |
| 40 | Alfred Maisey | 5 | Son | None | Massachusetts |
| 41 | Thomas J Morrissey | 39 | Head | Laborer | Irish Free State |
| 42 | Mary E Morrissey | 38 | Wife | None | Irish Free State |
| 43 | Thomas J Morrissey | 17 | Son | None | Massachusetts |
| 44 | Josephine Morrissey | 13 | Daughter | None | Massachusetts |
| 45 | Margaret Morrissey | 10 | Daughter | None | Massachusetts |
| 46 | James Morrissey | 7 | Son | None | Massachusetts |
| 47 | Joseph Morrissey | 5 | Son | None | Massachusetts |
| 48 | Gertrude Morrissey | 3 | Daughter | None | Massachusetts |
| 49 | John J Murray | 39 | Brother-in-law | Laborer | Irish Free State |
| 50 | — | None | — | — | — |
Related Census Records
Pedigree Summary
Margaret + 8 siblings
Gen 1 · 6 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)