MC
Mary Clifford — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Clifford across the 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 12-person household.
Age 18
b. ~1912
Female
Daughter
Born: Scotland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Clifford |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1913 |
| Father's Birthplace | Ireland Free State |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Inspector |
| Industry | Safety Razor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Inspector |
| Township / Ward | Boston City |
| Est. Birth Year | ~1912 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| James Clifford | Son | — | 13 | ~1917 |
| Mary Clifford | Daughter | — | 18 | ~1912 |
| John Clifford | Head | — | 48 | ~1882 |
| Annie Clifford | Daughter | — | 20 | ~1910 |
| Thomas Clifford | Son | — | 3 | ~1927 |
| Robert Clifford | Son | — | 9 | ~1921 |
| Joseph Clifford | Son | — | 11 | ~1919 |
| Frederick Clifford | Son | — | ~1930 | |
| Edward Clifford | Son | — | 2 | ~1928 |
| William Clifford | Son | — | 13 | ~1917 |
| Timothy Clifford | Son | — | 15 | ~1915 |
| Jane Clifford | Spouse | — | 44 | ~1886 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 8
Suffolk, Massachusetts · implied b. ~1912 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clifford |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1913 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Scotland |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Suffolk, Massachusetts
Daughter, age 18
Suffolk, Massachusetts · implied b. ~1912 — 12 household members
| Surname | Clifford |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1913 |
| Father's Birthplace | Ireland Free State |
| Mother's Birthplace | Scotland |
| Occupation | Inspector |
| Industry | Safety Razor |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Mary Clifford across 2 US Census years (1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Clifford
Daughter · 1930 · age 18 · b. ~1912 · Massachusetts
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Sibling
Annie Clifford
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Clifford
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Clifford
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Clifford
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Clifford
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Timothy Clifford
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Clifford
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Clifford
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Clifford
Sibling · 1930 · age 13
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:massachusettscensus00reel949:0975)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Virginia Gaffey | 6 | Daughter | — | Massachusetts |
| 52 | Helen Gaffey | 1 | Daughter | — | Massachusetts |
| 53 | Edward F. Haley | 43 | Head | Plumber | Massachusetts |
| 54 | Mary Haley | 39 | Wife | — | Massachusetts |
| 55 | Alice F. Haley | 10 | Daughter | — | Massachusetts |
| 56 | Edward F. Haley | 8 | Son | — | Massachusetts |
| 57 | Harvey C. Crosby | 27 | Head | Service Man | Massachusetts |
| 58 | Clara B. Crosby | 27 | Wife | — | Canada English |
| 59 | Beatrice B. Crosby | 16 | Daughter | — | Massachusetts |
| 60 | Franklyn Crosby | 10 | Son | — | Massachusetts |
| 61 | Elizabeth Crosby | 8 | Daughter | — | Massachusetts |
| 62 | Dorothy Crosby | 6 | Daughter | — | Massachusetts |
| 63 | Robert Crosby | 4 | Son | — | Massachusetts |
| 64 | James Crosby | 1 | Son | — | Massachusetts |
| 65 | John Crosby | 0 | Son | — | Massachusetts |
| 66 | Thomas F. Cassidy | 50 | Head | Laborer | Ireland Free State |
| 67 | Catherine Cassidy | 47 | Wife | — | Ireland Free State |
| 68 | Anna Marie Cassidy | 23 | Daughter | Stenographer | Massachusetts |
| 69 | Thomas Jr. Cassidy | 21 | Son | Apprentice | Massachusetts |
| 70 | Helen J. Cassidy | 17 | Daughter | — | Massachusetts |
| 71 | John J. Cassidy | 16 | Son | — | Massachusetts |
| 72 | James P. Cassidy | 14 | Son | — | Massachusetts |
| 73 | John J. Clifford | 48 | Head | Engineer | Ireland Free State |
| 74 | Jane Clifford | 44 | Wife | — | Scotland |
| 75 | Annie Clifford | 20 | Daughter | Inspector | Scotland |
| 76 | Mary Clifford THIS PERSON | 18 | Daughter | Inspector | Scotland |
| 77 | Timothy Clifford | 15 | Son | — | Massachusetts |
| 78 | James Clifford | 13 | Son | — | Massachusetts |
| 79 | William Clifford | 13 | Son | — | Massachusetts |
| 80 | Joseph Clifford | 11 | Son | — | Massachusetts |
| 81 | Robert Clifford | 9 | Son | — | Massachusetts |
| 82 | Thomas Clifford | 3 | Son | — | Massachusetts |
| 83 | Edward Clifford | 2 | Son | — | Massachusetts |
| 84 | Frederick Clifford | 0 | Son | — | Massachusetts |
| 85 | William P. Myers | 39 | Head | Laborer | New Hampshire |
| 86 | Mary A. Myers | 33 | Wife | — | Massachusetts |
| 87 | Mary E. Myers | 10 | Daughter | — | Massachusetts |
| 88 | Margaret R. Myers | 7 | Daughter | — | Massachusetts |
| 89 | Margaret Conley | 30 | Head | Shoe Worker | Massachusetts |
| 90 | Katherine Conley | 25 | Sister | Shoe Worker | Massachusetts |
| 91 | Thomas J. Conley | 22 | Brother | Ship Worker | Massachusetts |
| 92 | James Houtvitte | 30 | Head | Chauffeur | Massachusetts |
| 93 | Alice D. Houtvitte | 34 | Wife | — | Massachusetts |
| 94 | James Houtvitte | 6 | Son | — | Massachusetts |
| 95 | Rita Houtvitte | 5 | Daughter | — | Massachusetts |
| 96 | Alice Houtvitte | 4 | Daughter | — | Massachusetts |
| 97 | George A. Provencal | 33 | Head | Engineer | Massachusetts |
| 98 | Ethel Provencal | 27 | Wife | — | Massachusetts |
| 99 | George A. Provencal | 7 | Son | — | Massachusetts |
| 100 | Leo Provencal | 6 | Son | — | Massachusetts |
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)