MC
Mary Clifford — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Hampshire, Massachusetts
Our Model Tree links this Mary Clifford across the 1910 and 1920 US Censuses in Hampshire, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1905), then head of a 9-person household.
Age 15
b. ~1905
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Hampshire, Massachusetts |
| Surname | Clifford |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Waitress |
| Industry | College |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Waitress |
| Township / Ward | Northampton 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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Clifford | Son | — | 9 | ~1911 |
| Catherine Clifford | Daughter | — | 10 | ~1910 |
| Julia Clifford | Daughter | — | 12 | ~1908 |
| Honora Clifford | Other | — | 44 | ~1876 |
| Cornelius Clifford | Son | — | 6 | ~1914 |
| George Clifford | Daughter | — | 7 | ~1913 |
| Margaret Clifford | Daughter | — | 2 | ~1918 |
| Michael Clifford | Head | — | 44 | ~1876 |
| Mary Clifford | Daughter | — | 15 | ~1905 |
Census Appearances
1910
Hampshire, Massachusetts
Daughter, age 5
Hampshire, Massachusetts · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clifford |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Hampshire, Massachusetts
Daughter, age 15
Hampshire, Massachusetts · implied b. ~1905 — 9 household members
| Surname | Clifford |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Waitress |
| Industry | College |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Mary Clifford across 2 US Census years (1910 and 1920) in Hampshire, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Clifford
Daughter · 1920 · age 15 · b. ~1905 · Massachusetts
★ You are viewing this record
Sibling
George Clifford
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornelius Clifford
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Clifford
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Clifford
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Clifford
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Clifford
Sibling · 1920 · age 12
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
1920 US Federal Census — Hampshire, Massachusetts
Open full size
1920 US Federal Census — Hampshire, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu705unit:0581)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Allard | 36 | Head | Machinist | Canada |
| 2 | Blanche Allard | 35 | Wife | — | New Hampshire |
| 3 | Alice Allard | 11 | Daughter | — | Massachusetts |
| 4 | Arthur Allard | 9 | Son | — | Massachusetts |
| 5 | George Allard | 7 | Son | — | Massachusetts |
| 6 | John H O'Neil | 45 | Head | Plater | Massachusetts |
| 7 | Flora O'Neil | 43 | Wife | — | Massachusetts |
| 8 | Mary O'Neil | 17 | Daughter | Spinner | Massachusetts |
| 9 | Earl O'Neil | 10 | Son | — | Massachusetts |
| 10 | Leslie O'Neil | 8 | Son | — | Massachusetts |
| 11 | Everett O'Neil | 6 | Son | — | Massachusetts |
| 12 | Evelyn O'Neil | 4 | Daughter | — | Massachusetts |
| 13 | Raymond O'Neil | 1 | Son | — | Massachusetts |
| 14 | Patrick Brennan | 42 | Head | Laborer | Ireland |
| 15 | Mary Brennan | 38 | Wife | — | Ireland |
| 16 | John Brennan | 19 | Son | Laborer | Massachusetts |
| 17 | Maurice Brennan | 17 | Son | Clerk | Massachusetts |
| 18 | Michael Brennan | 16 | Son | Clerk | Massachusetts |
| 19 | Catherine Brennan | 14 | Daughter | — | Massachusetts |
| 20 | Francis Brennan | 13 | Son | — | Massachusetts |
| 21 | James Brennan | 11 | Son | — | Massachusetts |
| 22 | William Brennan | 9 | Son | — | Massachusetts |
| 23 | Raymond Brennan | 7 | Son | — | Massachusetts |
| 24 | Michael Clifford | 44 | Head | — | Ireland |
| 25 | Mary Clifford THIS PERSON | 15 | Daughter | Waitress | Massachusetts |
| 26 | Honora Clifford | 44 | Sister | — | Massachusetts |
| 27 | Julia Clifford | 12 | Daughter | — | New Hampshire |
| 28 | Catherine Clifford | 10 | Daughter | — | Massachusetts |
| 29 | John Clifford | 9 | Son | — | Massachusetts |
| 30 | George Clifford | 7 | Daughter | — | Massachusetts |
| 31 | Cornelius Clifford | 6 | Son | — | Massachusetts |
| 32 | Margaret Clifford | 2 | Daughter | — | Massachusetts |
| 33 | Michael Butler | 60 | Head | Laborer | Ireland |
| 34 | Ellen Butler | 58 | Wife | — | Ireland |
| 35 | Mary Butler | 26 | Daughter | — | Massachusetts |
| 36 | Andy Butler | 18 | Daughter | Spinner | Massachusetts |
| 37 | Anthony Butler | 16 | Son | Spinner | Massachusetts |
| 38 | Loretta Smith | 37 | Head | — | Canada |
| 39 | Irene Smith | 14 | Daughter | — | Canada |
| 40 | Bertha Smith | 12 | Daughter | — | Canada |
| 41 | Adaline Smith | 25 | Sister | Laundress | Canada |
| 42 | Wilfred Belisle | 52 | Head | Weaver | Massachusetts |
| 43 | Grace Belisle | 48 | Wife | — | Canada |
| 44 | Gertrude Belisle | 11 | Daughter | — | Massachusetts |
| 45 | David Simison | 36 | Head | Clerk | Massachusetts |
| 46 | Jenny Simison | 35 | Wife | — | Vermont |
| 47 | Myra White | 66 | Mother-in-law | — | Vermont |
| 48 | Arthur Gagnon | 34 | Boarder | Operator | Massachusetts |
| 49 | Bernard Black | 34 | Head | Chauffeur | Massachusetts |
| 50 | Alice Black | 32 | Wife | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)