ED
Edward Duffy — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Edward Duffy across the 1910 and 1920 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 12-person household.
Age 11
b. ~1909
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, Massachusetts |
| Surname | Duffy |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | City Of Lynn |
| Est. Birth Year | ~1909 |
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 1920 census.
| Name | Relation to head | Relative to Edward | Age | Birth yr |
|---|---|---|---|---|
| Ralph Duffy | Son | — | 10 | ~1910 |
| Lillian Duffy | Daughter | — | 25 | ~1895 |
| Arthur Duffy | Son | — | 19 | ~1901 |
| Joseph Duffy | Son | — | 30 | ~1890 |
| Ruth Duffy | Daughter | — | 17 | ~1903 |
| Edward Duffy | Head | — | 62 | ~1858 |
| Mary Duffy | Spouse | — | 51 | ~1869 |
| Mary Duffy | Daughter | — | 27 | ~1893 |
| Grace Duffy | Daughter | — | 21 | ~1899 |
| Frank Duffy | Son | — | 23 | ~1897 |
| Edward Duffy | Son | — | 11 | ~1909 |
| Helen Duffy | Daughter | — | 15 | ~1905 |
Census Appearances
1910
Essex, Massachusetts
Son, age
Essex, Massachusetts · implied b. ~1910 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffy |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ire-English |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Son, age 11
Essex, Massachusetts · implied b. ~1909 — 12 household members
| Surname | Duffy |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Massachusetts |
| 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 Edward Duffy across 2 US Census years (1910 and 1920) in Essex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Edward Duffy
Son · 1920 · age 11 · b. ~1909 · Massachusetts
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Sibling
Helen Duffy
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Duffy
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Duffy
Sibling · 1920 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Duffy
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Duffy
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Duffy
Sibling · 1920 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Duffy
Sibling · 1920 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Duffy
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Duffy
Sibling · 1920 · age 19
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 — Essex, Massachusetts
Open full size
1920 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu694unit:0270)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Vivian A. Thorn | 42 | Boarder | — | Maine |
| 2 | John C. Warwick | 30 | Head | Sergeant | Canada |
| 3 | Mabel A. Warwick | 30 | Wife | — | Canada |
| 4 | Herbert R. Hutchinson | 36 | Head | Druggist | Massachusetts |
| 5 | Emma G. Hutchinson | 33 | Wife | — | Missouri |
| 6 | Grace C. Alden | 55 | Head | Teacher | Massachusetts |
| 7 | M. Elizabeth Crosby | 80 | Guest | — | Massachusetts |
| 8 | Jerome B. Stalker | 41 | Head | Manager | New York |
| 9 | Bertha Stalker | 34 | Wife | — | New York |
| 10 | Marjorie K. Stalker | 5 | Daughter | — | Massachusetts |
| 11 | John Driscoll | 60 | Head | Teamster | Ireland |
| 12 | Mary T. Driscoll | 60 | Wife | — | Massachusetts |
| 13 | John E. Driscoll | 30 | Son | Shoe Maker | Massachusetts |
| 14 | William F. Driscoll | 28 | Son | Shoe Maker | Massachusetts |
| 15 | Ellen Driscoll | 26 | Daughter | — | Massachusetts |
| 16 | Annie F. Driscoll | 25 | Daughter | Clerk | Massachusetts |
| 17 | Marguerite E. Driscoll | 21 | Daughter | — | Massachusetts |
| 18 | Thomas J. Driscoll | 19 | Son | — | Massachusetts |
| 19 | Edward Duffy | 62 | Head | — | Ireland |
| 20 | Mary Duffy | 51 | Wife | — | Massachusetts |
| 21 | Joseph G. Duffy | 30 | Son | — | Massachusetts |
| 22 | Mary T. Duffy | 27 | Daughter | — | Massachusetts |
| 23 | Lillian R. Duffy | 25 | Daughter | — | Massachusetts |
| 24 | Frank Duffy | 23 | Son | — | Massachusetts |
| 25 | Grace Duffy | 21 | Daughter | Clerk | Massachusetts |
| 26 | Arthur Duffy | 19 | Son | — | Massachusetts |
| 27 | Ruth Duffy | 17 | Daughter | — | Massachusetts |
| 28 | Helen L. Duffy | 15 | Daughter | — | Massachusetts |
| 29 | Edward Duffy THIS PERSON | 11 | Son | — | Massachusetts |
| 30 | Ralph Duffy | 10 | Son | — | Massachusetts |
| 31 | Wilfred Legault | 36 | Head | — | Massachusetts |
| 32 | Ellen Legault | 33 | Wife | — | Ireland |
| 33 | Caroline Legault | 5 | Daughter | — | Massachusetts |
| 34 | Rose Legault | 4 | Daughter | — | Massachusetts |
| 35 | Theresa Legault | 3 | Daughter | — | Massachusetts |
| 36 | Patrick Katz | 49 | Head | Chauffeur | Massachusetts |
| 37 | Katz Katz | 43 | Wife | — | Massachusetts |
| 38 | Katherine Katz | 22 | Daughter | Clerk | Massachusetts |
| 39 | Margaret Katz | 18 | Daughter | — | Massachusetts |
| 40 | John Katz | 11 | Son | — | Massachusetts |
| 41 | Dorothy Katz | 4 | Daughter | — | Massachusetts |
| 42 | Timothy Katz | 2 | Son | — | Massachusetts |
| 43 | Timothy Katz | 45 | Brother | Chauffeur | Ireland |
| 44 | Herman G. Lindsay | 50 | Head | Laster | Massachusetts |
| 45 | Sarah C. Lindsay | 45 | Wife | — | Massachusetts |
| 46 | Myrtle M. Lindsay | 17 | Daughter | — | Massachusetts |
| 47 | Robert L. Lindsay | 14 | Son | — | Massachusetts |
| 48 | Herman G. Lindsay | 4 | Son | — | Massachusetts |
| 49 | Walter Giles | 24 | Son-in-law | Machinist | Massachusetts |
| 50 | Ariadne Giles | 22 | Daughter | — | 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)