JD
John Duggan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this John Duggan across the 1900, 1910 and 1920 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1862), then head of a 8-person household.
Age 58
b. ~1862
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Suffolk, Massachusetts |
| Surname | Duggan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Street Car Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1888 |
| Birthplace (normalized) | ireland |
| Occupation | Laborer |
| Township / Ward | Revere City Of |
| Est. Birth Year | ~1862 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Mary Duggan | Daughter | — | 27 | ~1893 |
| John Duggan | Son | — | 21 | ~1899 |
| Ellen Duggan | Spouse | — | 55 | ~1865 |
| Patrick Duggan | Son | — | 28 | ~1892 |
| Catherine Duggan | Daughter | — | 19 | ~1901 |
| Stephen Duggan | Son | — | 14 | ~1906 |
| Annie Duggan | Daughter | — | 23 | ~1897 |
| John Duggan | Head | — | 58 | ~1862 |
Census Appearances
1900
Suffolk, Massachusetts
Head, age 35
Suffolk, Massachusetts · implied b. ~1865 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duggan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Mch |
| Birth Year | 1865 |
| Year of Immigration | 1885 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Suffolk, Massachusetts
Head, age 47
Suffolk, Massachusetts · implied b. ~1863 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duggan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 18 |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Longshoreman |
| Industry | Docks |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Suffolk, Massachusetts
Head, age 58
Suffolk, Massachusetts · implied b. ~1862 — 8 household members
| Surname | Duggan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Street Car Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1888 |
| Birthplace (normalized) | ireland |
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 John Duggan across 3 US Census years (1900, 1910 and 1920) in Suffolk, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
John Duggan
Head · 1920 · age 58 · b. ~1862 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Suffolk, Massachusetts
Open full size
1920 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu744unit:0496)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Harrington | 22 | Daughter | Operator | Massachusetts |
| 2 | Annie L Steele | 35 | Boarder | Inspector | Massachusetts |
| 3 | Andrew W Josselyn | 37 | Head | Tool Maker | Massachusetts |
| 4 | Mary L Josselyn | 30 | Wife | — | Massachusetts |
| 5 | Blake L Josselyn | 9 | Daughter | — | Massachusetts |
| 6 | Frank L Williams | 41 | Cousin | Laborer | Massachusetts |
| 7 | Nancy E Josselyn | 80 | Mother | — | Maine |
| 8 | Catherine Hiatt | 65 | Head | — | Massachusetts |
| 9 | Cora F Hiatt | 23 | Daughter | — | Massachusetts |
| 10 | Joseph T Austin | 27 | Son-in-law | Stenographer | Massachusetts |
| 11 | Florence H Austin | 26 | Daughter | Copy Editor | Massachusetts |
| 12 | William H Ormsby | 42 | Head | Civil Engineer | Massachusetts |
| 13 | Tekla Ormsby | 36 | Wife | — | Sweden |
| 14 | Elizabeth Ormsby | 10 | Daughter | — | Sweden |
| 15 | William H Jr Ormsby | 8 | Son | — | Sweden |
| 16 | John Bunn | 32 | Head | Conductor | England |
| 17 | Mary Bunn | 36 | Wife | — | Ireland |
| 18 | John Bunn | 10 | Son | — | Massachusetts |
| 19 | Mary Bunn | 8 | Daughter | — | Massachusetts |
| 20 | Caroline Cama | 32 | Head | — | Italy |
| 21 | Clara Cama | 31 | Step-daughter | — | Massachusetts |
| 22 | Louise Cama | 27 | Step-daughter | Secretary | Massachusetts |
| 23 | Mildred Cama | 19 | Step-daughter | Stenographer | Massachusetts |
| 24 | George Cama | 17 | Step-son | Salesman | Massachusetts |
| 25 | Albert Cama | 16 | Step-son | Apprentice | Massachusetts |
| 26 | Victor Cama | 13 | Step-son | — | Massachusetts |
| 27 | Joseph Cama | 7 | Son | — | Massachusetts |
| 28 | Vincent Cama | 6 | Son | — | Massachusetts |
| 29 | Blanche Cama | 2 | Daughter | — | Massachusetts |
| 30 | John Duggan THIS PERSON | 58 | Head | Laborer | Ireland |
| 31 | Ellen Duggan | 55 | Wife | — | Ireland |
| 32 | Patrick Duggan | 28 | Son | Clerk | Massachusetts |
| 33 | Mary Duggan | 27 | Daughter | Box Maker | Massachusetts |
| 34 | Annie Duggan | 23 | Daughter | Bookkeeper | Massachusetts |
| 35 | John J Duggan | 21 | Son | Press Feeder | Massachusetts |
| 36 | Catherine Duggan | 19 | Daughter | Box Maker | Massachusetts |
| 37 | Stephen Duggan | 14 | Son | — | Massachusetts |
| 38 | James F Mahan | 28 | Head | Laborer | Ohio |
| 39 | Lillian Mahan | 21 | Wife | — | Massachusetts |
| 40 | Thomas Mahan | 2 | Son | — | Massachusetts |
| 41 | Robert Mahan | 1 | Son | — | Massachusetts |
| 42 | George A Shepherdson | 40 | Head | Accountant | Nova Scotia |
| 43 | Alice M Shepherdson | 39 | Wife | — | Nova Scotia |
| 44 | Elizabeth Bishop | 9 | Niece | — | Massachusetts |
| 45 | William B Bulmer | 73 | Father-in-law | — | Nova Scotia |
| 46 | Elizabeth Bulmer | 69 | Mother-in-law | — | Nova Scotia |
| 47 | Patrick A Sullivan | 34 | Head | Grocery Business | Ireland |
| 48 | Mary Sullivan | 26 | Wife | — | Ireland |
| 49 | Francis A Sullivan | 4 | Son | — | Massachusetts |
| 50 | Lillian R Sullivan | 2 | 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)