MH
Margaret Hayes — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Margaret Hayes across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Jeremiah & Henry — first a daughter (b.~1905), then head of a 4-person household.
Age 25
b. ~1905
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Hayes |
| Given Name | Margaret A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Wales |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Office worker |
| Industry | Fire Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Office Worker |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1905 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Jeremiah Hayes | Head | — | 63 | ~1867 |
| Margaret Hayes | Daughter | — | 25 | ~1905 |
| John Hayes | Son | — | 21 | ~1909 |
| Catherine Hayes | Other | — | 56 | ~1874 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 5
Middlesex, Massachusetts · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| 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 15
Middlesex, Massachusetts · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Wales |
| Mother's Birthplace | Massachusetts |
| Occupation | Packer |
| Industry | Rubber factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 25
Middlesex, Massachusetts · implied b. ~1905 — 4 household members
| Surname | Hayes |
| Given Name | Margaret A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Wales |
| Mother's Birthplace | Massachusetts |
| Occupation | Office worker |
| Industry | Fire Insurance |
| 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 Hayes across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Jeremiah Hayes (~0.92 confidence) and father Henry Hayes (~0.92 confidence) and mother Catherine Hayes (~0.92 confidence) and mother Catherine Hayes (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jeremiah Hayes
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Henry Hayes
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Catherine Hayes
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Catherine Hayes
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Hayes
Daughter · 1930 · age 25 · b. ~1905 · Massachusetts
★ You are viewing this record
Sibling
John Hayes
Sibling · 1930 · age 21
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:massachusettscensus00reel915:0849)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph A Dunn | 24 | Step-son | Chauffeur | New York |
| 2 | Mary H Dunn | 50 | Head-H | Operator | Massachusetts |
| 3 | Bridget C Dunn | 71 | Roomer | — | Massachusetts |
| 4 | Katherine Griffin | 40 | Head-H | — | Irish Free State |
| 5 | Minnie Griffin | 35 | Sister | Waitress | Irish Free State |
| 6 | Anthony Griffin | 20 | Nephew | Mechanic | Massachusetts |
| 7 | Patrick Griffin | 45 | Head | Laborer | Irish Free State |
| 8 | Katherine Griffin | 35 | Wife-H | — | Irish Free State |
| 9 | Patrick Lucey | 52 | Head | Laborer | Irish Free State |
| 10 | Mary Lucey | 53 | Wife-H | — | Irish Free State |
| 11 | Daniel H Lucey | 20 | Son | Mixer | Massachusetts |
| 12 | Jeremiah J Lucey | 25 | Son | Factory Worker | Massachusetts |
| 13 | Lena V Lucey | 17 | Daughter | — | Massachusetts |
| 14 | Mary M Lucey | 15 | Daughter | — | Massachusetts |
| 15 | Catherine T Lucey | 13 | Daughter | — | Massachusetts |
| 16 | Walter D Lucey | 9 | Son | — | Massachusetts |
| 17 | Nellie Esterbrook | 50 | Head-H | Laundress | Irish Free State |
| 18 | William J Esterbrook | 17 | Son | Mechanic | Massachusetts |
| 19 | Robert Esterbrook | 16 | Son | Chauffeur | Massachusetts |
| 20 | Francis Esterbrook | 10 | Son | — | Massachusetts |
| 21 | Manuel Madeiro | 34 | Head | Laborer | Portugal |
| 22 | Clara Madeiro | 33 | Wife-H | — | Massachusetts |
| 23 | Elizabeth Madeiro | 10 | Daughter | — | Massachusetts |
| 24 | Esther Madeiro | 8 | Daughter | — | Massachusetts |
| 25 | Florence Madeiro | 7 | Daughter | — | Massachusetts |
| 26 | Edmund Madeiro | 6 | Son | — | Massachusetts |
| 27 | John Collins | 39 | Head | Iron Worker | Montana |
| 28 | Mary Collins | 37 | Wife-H | — | New York |
| 29 | Jeremiah J Shea | 54 | Head | Baker | Massachusetts |
| 30 | Anastasia Shea | 50 | Wife-H | — | Massachusetts |
| 31 | Catherine Shea | 27 | Daughter | Proof Reader | Massachusetts |
| 32 | John Shea | 22 | Son | — | Massachusetts |
| 33 | James H Campbell | 43 | Head | Foreman | Massachusetts |
| 34 | Elizabeth Campbell | 43 | Wife-H | — | Massachusetts |
| 35 | John Walsh | 68 | Head | Caretaker | Irish Free State |
| 36 | Elizabeth J Walsh | 64 | Wife-H | — | Massachusetts |
| 37 | Joseph P Walsh | 32 | Son | Retail Merchant | Massachusetts |
| 38 | Mary E Walsh | 31 | Daughter | Private Secretary | Massachusetts |
| 39 | Margaret M Walsh | 18 | Daughter | Stenographer | Massachusetts |
| 40 | Jeremiah F Hayes | 63 | Head | Fireman | Wales |
| 41 | Catherine R Hayes | 56 | Wife-H | — | Massachusetts |
| 42 | Margaret A Hayes THIS PERSON | 25 | Daughter | Office Worker | Massachusetts |
| 43 | John Hayes | 21 | Son | — | Massachusetts |
| 44 | Michael J Looney | 57 | Head | Iron Worker | Irish Free State |
| 45 | Annie Looney | 62 | Wife-H | — | Irish Free State |
| 46 | Catherine M Looney | 28 | Daughter | Office Worker | Massachusetts |
| 47 | M. Leo Looney | 25 | Son | Lawyer | Massachusetts |
| 48 | B. Lenore Looney | 23 | Daughter | Teacher | Massachusetts |
| 49 | Martin Looney | 24 | Nephew | Salesman | Irish Free State |
| 50 | Bridget Looney | 19 | Neice | Cook | Irish Free State |
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 4 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)