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Thomas Duffy — 1910 US Census Record
Model Tree available1910 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Thomas Duffy across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Edward & Edward — first a son (b.~1898), then head of a 9-person household.
Age 12
b. ~1898
Male
Son
Born: Massachusetts
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Middlesex, Massachusetts |
| Surname | Duffy |
| Given Name | Thomas H |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Malden City |
| Est. Birth Year | ~1898 |
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 1910 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Katherine Duffy | Spouse | — | 40 | ~1870 |
| Elizabeth Duffy | Daughter | — | 10 | ~1900 |
| Joseph Duffy | Son | — | 5 | ~1905 |
| John Duffy | Son | — | 14 | ~1896 |
| Edward Duffy | Son | — | 18 | ~1892 |
| Thomas Duffy | Son | — | 12 | ~1898 |
| Edward Duffy | Head | — | 43 | ~1867 |
| Mary Duffy | Daughter | — | 17 | ~1893 |
| Leonard Duffy | Son | — | 7 | ~1903 |
Census Appearances
1900
Middlesex, Massachusetts
Son, age 3
Middlesex, Massachusetts · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffy |
| Given Name | Thomas W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Birth Month | Sept |
| Birth Year | 1897 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1910
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1898 — 9 household members
| Surname | Duffy |
| Given Name | Thomas H |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 22
Middlesex, Massachusetts · implied b. ~1898 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffey |
| Given Name | Thomas J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Salesman |
| Industry | Grocery store |
| 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 Thomas Duffy across 3 US Census years (1900, 1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Edward Duffy (~0.92 confidence) and father Edward Duffy (~0.92 confidence) and father Edward Duffey (~0.92 confidence) and mother Catherine Duffy (~0.92 confidence) and mother Catherine Duffey (~0.92 confidence) and mother Katherine Duffy (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Duffy
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Edward Duffy
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Edward Duffey
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Catherine Duffy
b. ~1866
Source mother
● Household
· direct · ~0.92
Mother
Catherine Duffey
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Katherine Duffy
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Duffy
Son · 1910 · age 12 · b. ~1898 · Massachusetts
★ You are viewing this record
Sibling
Joseph Duffy
Sibling · 1910 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Duffy
Sibling · 1910 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Duffy
Sibling · 1910 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Duffy
Sibling · 1910 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Duffy
Sibling · 1910 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Duffy
Sibling · 1910 · age 7
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
1910 US Federal Census — Middlesex, Massachusetts
Open full size
1910 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po601unit:0625)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John J Baron | 55 | head | Currier | Eng. English |
| 52 | Mary A Baron | 55 | wife | None | Massachusetts |
| 53 | Thelma C Baron | 31 | daughter | Shoe Maker | Massachusetts |
| 54 | Winifred E Baron | 29 | daughter | Clerk | Massachusetts |
| 55 | Edward J Baron | 24 | son | Machinist | Massachusetts |
| 56 | Katherine T Baron | 24 | daughter | Sales Girl | Massachusetts |
| 57 | Mary A Baron | 22 | daughter | None | Massachusetts |
| 58 | Charles H Baron | 21 | son | Clerk | Massachusetts |
| 59 | Alma J Baron | 19 | daughter | None | Massachusetts |
| 60 | Albert J Baron | 14 | son | None | Massachusetts |
| 61 | Katherine Mccarthy | 58 | head | None | Ire. English |
| 62 | Florence Mccarthy | 31 | son | Machinist | Massachusetts |
| 63 | Philip Mccarthy | 27 | son | Teamster | Massachusetts |
| 64 | Justin Mccarthy | 28 | son | Steamfitter | Massachusetts |
| 65 | Irene Mccarthy | 24 | daughter | Clerk | Massachusetts |
| 66 | Belle Mccarthy | 17 | daughter | Operator | Massachusetts |
| 67 | Leo Mccarthy | 20 | son | None | Massachusetts |
| 68 | Michael Reardon | 71 | head | Own Income | Ire. English |
| 69 | Julia Reardon | 69 | wife | None | Ire. English |
| 70 | Julia Reardon | 40 | daughter | Shoe Maker | Eng. English |
| 71 | Annie Reardon | 31 | daughter | Shoe Maker | Eng. English |
| 72 | James Reardon | 26 | son | Laborer | Ire. English |
| 73 | Mary Reardon | 25 | daughter | Shoe Maker | Ire. English |
| 74 | Edward F Duffy | 43 | head | Upholsterer | Massachusetts |
| 75 | Katherine A Duffy | 40 | wife | None | Massachusetts |
| 76 | Edward F Duffy | 18 | son | Clerk | Massachusetts |
| 77 | Mary A Duffy | 17 | daughter | None | Massachusetts |
| 78 | John J Duffy | 14 | son | None | Massachusetts |
| 79 | Thomas H Duffy THIS PERSON | 12 | son | None | Massachusetts |
| 80 | Elizabeth C Duffy | 10 | daughter | None | Massachusetts |
| 81 | Leonard Duffy | 7 | son | None | Massachusetts |
| 82 | Joseph Duffy | 5 | son | None | Massachusetts |
| 83 | John Daly | 75 | head | None | Eng. English |
| 84 | Mary E Daly | 31 | daughter | Shoe Maker | Massachusetts |
| 85 | Rose Daly | 28 | daughter | Shoe Maker | Massachusetts |
| 86 | Thomas T Maguire | 44 | head | Retail Merchant | Massachusetts |
| 87 | Norah Maguire | 38 | wife | None | Ire. English |
| 88 | David Cosgrove | 48 | head | Shipper | Massachusetts |
| 89 | Mary Cosgrove | 47 | wife | None | Massachusetts |
| 90 | Thomas Claffy | 25 | head | Cutter | New York |
| 91 | Katherine Claffy | 23 | wife | Shoe Maker | New York |
| 92 | Helen Healey | 32 | head | Retail Merchant | Ire. English |
| 93 | Margaret Healey | 6 | daughter | None | Massachusetts |
| 94 | Howard Healey | 5 | son | None | Massachusetts |
| 95 | James Mccarthy | 33 | head | Salesman | Ire. English |
| 96 | Margaret Mccarthy | 33 | wife | None | Massachusetts |
| 97 | James Mccarthy | 4 | son | None | Massachusetts |
| 98 | Thelma Mccarthy | 2 | daughter | None | Massachusetts |
| 99 | — | None | — | — | — |
| 100 | — | None | — | — | — |
Related Census Records
Pedigree Summary
Thomas + 6 siblings
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)