MC
Mary Clifford — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Clifford across the 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1900), then head of a 8-person household.
Age 20
b. ~1900
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Clifford |
| Given Name | Mary |
| 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 | Packer |
| Industry | Rubber shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Packer |
| Township / Ward | Everett City |
| Est. Birth Year | ~1900 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Katherine Maloney | Daughter | — | 18 | ~1902 |
| Katherine Clifford | Spouse | — | 54 | ~1866 |
| Albert Clifford | Son | — | 16 | ~1904 |
| William Maloney | Other | — | 19 | ~1901 |
| Mary Clifford | Daughter | — | 20 | ~1900 |
| William Maloney | Other | — | ~1920 | |
| James Clifford | Head | — | 55 | ~1865 |
| Edward Clifford | Son | — | 22 | ~1898 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 10
Middlesex, Massachusetts · implied b. ~1900 — 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 | 10 |
| 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 20
Middlesex, Massachusetts · implied b. ~1900 — 8 household members
| Surname | Clifford |
| Given Name | Mary |
| 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 | Packer |
| Industry | Rubber shop |
| 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 Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Clifford
Daughter · 1920 · age 20 · b. ~1900 · Massachusetts
★ You are viewing this record
Sibling
Albert Clifford
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Clifford
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Maloney
Sibling · 1920 · age 18
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 — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu709unit:0950)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Arthur Poppis | 21 | Son | Teamster | Massachusetts |
| 52 | George Poppis | 18 | Son | Shoe Worker | Massachusetts |
| 53 | George F Hamilton | 40 | Head | Merchant | Massachusetts |
| 54 | Josephine Hamilton | 38 | Wife | — | Massachusetts |
| 55 | Annie Mahoney | 45 | Servant | Servant | Ireland |
| 56 | John Brennan | 58 | Boarder | Herdsman | Canada |
| 57 | Alfred Young | 36 | Head | Machinist | Scotland |
| 58 | Annie Young | 32 | Wife | — | Scotland |
| 59 | Margaret R Young | 5 | Daughter | — | Massachusetts |
| 60 | Jessie G Young | 5 | Daughter | — | Massachusetts |
| 61 | Evelyn M Young | 1 | Daughter | — | Massachusetts |
| 62 | Mary Kidd | 55 | Mother in law | Operator | Scotland |
| 63 | Delia Murray | 45 | Head | Cook | Sweden |
| 64 | John J Murray | 17 | Son | Teamster | New York |
| 65 | Anna S Murray | 13 | Daughter | — | New York |
| 66 | Mathilda Sorenson | 84 | Mother | — | Sweden |
| 67 | Gunnar S Forslind | 46 | Brother in law | Tailor | Sweden |
| 68 | Gustava Forslind | 40 | Sister | — | Sweden |
| 69 | John Forslind | 21 | Nephew | Helper | New York |
| 70 | Robert Forslind | 19 | Nephew | Driver | New York |
| 71 | Ruth Forslind | 6 | Niece | — | Massachusetts |
| 72 | Paul Forslind | 3 | Nephew | — | Massachusetts |
| 73 | Herbert Trohon | 52 | Head | Captain | Maine |
| 74 | Florence S Trohon | 36 | Wife | — | Massachusetts |
| 75 | Edgar H Flynn | 22 | Son | Operator | Massachusetts |
| 76 | Milton Flynn | 19 | Step son | Mail Worker | Massachusetts |
| 77 | Ethel M Trohon | 6 | Daughter | — | Massachusetts |
| 78 | James A Sivus | 74 | Head | — | Maine |
| 79 | Mary E Sivus | 64 | Wife | — | Canada |
| 80 | William J Capes | 30 | Step son | Chauffeur | Canada |
| 81 | Alfred J Ross | 45 | Head | Carpenter | Newfoundland |
| 82 | Florence E Ross | 30 | Wife | — | Massachusetts |
| 83 | Russell Ross | 12 | Son | — | Massachusetts |
| 84 | Elizabeth Ross | 11 | Daughter | — | Massachusetts |
| 85 | Edward Ross | 6 | Son | — | Massachusetts |
| 86 | Theresa Hurney | 12 | Step dau | — | Massachusetts |
| 87 | John Smith | 47 | Head | Electrician | Canada |
| 88 | Belle M Smith | 47 | Wife | — | Canada |
| 89 | Thomas C Smith | 17 | Son | — | Massachusetts |
| 90 | Gerald D Smith | 11 | Son | — | Massachusetts |
| 91 | James J Clifford | 55 | Head | Lead Burner | Massachusetts |
| 92 | Katherine M Clifford | 54 | Wife | — | Massachusetts |
| 93 | Edward A Clifford | 22 | Son | Chauffeur | Massachusetts |
| 94 | Mary Clifford THIS PERSON | 20 | Daughter | Packer | Massachusetts |
| 95 | Albert Clifford | 16 | Son | Laborer | Massachusetts |
| 96 | Katherine Maloney | 18 | Daughter | — | Massachusetts |
| 97 | William Maloney | 19 | Son in law | Chauffeur | Massachusetts |
| 98 | William J Maloney | 0 | Grandson | — | Massachusetts |
| 99 | Henry D Jones | 48 | Head | Foreman | Canada |
| 100 | Linnie Jones | 48 | Wife | — | Maine |
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)