JD
John Donnelly — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Essex, Massachusetts
Our Model Tree links this John Donnelly across the 1910 and 1920 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1904), then head of a 11-person household.
Age 16
b. ~1904
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, Massachusetts |
| Surname | Donnelly |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Dresser Tender |
| Industry | Woolen Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Dresser Tender |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1904 |
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.
11 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Irene Donnelly | Daughter | — | 14 | ~1906 |
| Catherine Donnelly | Daughter | — | 19 | ~1901 |
| Rose Donnelly | Daughter | — | 26 | ~1894 |
| Mary Donnelly | Daughter | — | 27 | ~1893 |
| John Donnelly | Head | — | 52 | ~1868 |
| John Donnelly | Son | — | 16 | ~1904 |
| Eugene Donnelly | Son | — | 22 | ~1898 |
| James Donnelly | Son | — | 28 | ~1892 |
| Joseph Donnelly | Son | — | 12 | ~1908 |
| Edward Donnelly | Son | — | 10 | ~1910 |
| Catherine Donnelly | Spouse | — | 48 | ~1872 |
Census Appearances
1910
Essex, Massachusetts
Son, age 5
Essex, Massachusetts · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Son, age 16
Essex, Massachusetts · implied b. ~1904 — 11 household members
| Surname | Donnelly |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Dresser Tender |
| Industry | Woolen Mill |
| 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 John Donnelly across 2 US Census years (1910 and 1920) in Essex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
John Donnelly
Son · 1920 · age 16 · b. ~1904 · Massachusetts
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Sibling
Rose Donnelly
Sibling · 1920 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Donnelly
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Donnelly
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Donnelly
Sibling · 1920 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Donnelly
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Donnelly
Sibling · 1920 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Donnelly
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Donnelly
Sibling · 1920 · age 22
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:1920:14thcensusofpopu692unit:0776)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John J. Donnelly | 52 | Head | Dresser Tender | Ireland |
| 2 | Catherine Donnelly | 48 | Wife | — | Ireland |
| 3 | James P. Donnelly | 28 | Son | Stationary Stat. | New Hampshire |
| 4 | Mary Donnelly | 27 | Daughter | Mender | Ireland |
| 5 | Rose Donnelly | 26 | Daughter | Mender | New Hampshire |
| 6 | Eugene Donnelly | 22 | Son | Mule Spinner | Massachusetts |
| 7 | Catherine Donnelly | 19 | Daughter | Mender | Massachusetts |
| 8 | John Jr. Donnelly THIS PERSON | 16 | Son | Dresser Tender | Massachusetts |
| 9 | Irene Donnelly | 14 | Daughter | Folder | Massachusetts |
| 10 | Joseph Donnelly | 12 | Son | — | Massachusetts |
| 11 | Edward Donnelly | 10 | Son | — | Massachusetts |
| 12 | Jeremiah J. Hallisey | 62 | Head | Shoemaker | Ireland |
| 13 | Margaret Hallisey | 59 | Wife | — | Ireland |
| 14 | John Hallisey | 25 | Son | Machinist | Ireland |
| 15 | Louise Hallisey | 17 | Daughter | Mender | Massachusetts |
| 16 | John J. Monahan | 39 | Head | Steamfitter | Massachusetts |
| 17 | Catherine Monahan | 37 | Wife | — | Ireland |
| 18 | Anna Monahan | 15 | Daughter | — | Massachusetts |
| 19 | Catherine Monahan | 12 | Daughter | — | Massachusetts |
| 20 | James Monahan | 10 | Son | — | Massachusetts |
| 21 | John F. Monahan | 9 | Son | — | Massachusetts |
| 22 | Thomas Monahan | 6 | Son | — | Massachusetts |
| 23 | Mary Monahan | 3 | Daughter | — | Massachusetts |
| 24 | Philip L. Hebert | 42 | Head | Machinist | Illinois |
| 25 | Edith Hebert | 38 | Wife | — | New Hampshire |
| 26 | Bertha Hebert | 14 | Daughter | Winder | Massachusetts |
| 27 | Beatrice Hebert | 14 | Daughter | Winder | Massachusetts |
| 28 | Edmund Hebert | 13 | Son | — | Massachusetts |
| 29 | Lionel Hebert | 11 | Son | — | Massachusetts |
| 30 | Chanel Hebert | 9 | Son | — | Massachusetts |
| 31 | Martin Cloomans | 28 | Head | Blacksmith | Ireland |
| 32 | Margaret Cloomans | 29 | Wife | — | Ireland |
| 33 | George Thom | 37 | Head | Loom-Fixer | Scotland |
| 34 | Sophia Thom | 33 | Wife | — | Scotland |
| 35 | George Jr. Thom | 7 | Son | — | Massachusetts |
| 36 | James Thom | 5 | Son | — | Massachusetts |
| 37 | Grace Thom | 4 | Daughter | — | Massachusetts |
| 38 | Helen Thom | 2 | Daughter | — | Massachusetts |
| 39 | Marion Thom | 0 | Daughter | — | Massachusetts |
| 40 | Henry E. York | 30 | Head | Fireman | Massachusetts |
| 41 | Mary York | 28 | Wife | — | Massachusetts |
| 42 | Henry Jr. York | 9 | Son | — | Massachusetts |
| 43 | Alex P. Foley | 52 | Head | Boss Mason | Canada |
| 44 | Mathilda Foley | 52 | Wife | — | Canada |
| 45 | Rita Foley | 21 | Daughter | Folder | Canada |
| 46 | John Dano | 28 | Son-in-law | Clerk | Massachusetts |
| 47 | Annie Dano | 24 | Daughter | Corner | Canada |
| 48 | John M. Mclean | 40 | Head | Color Mixer | Scotland |
| 49 | Jean Mclean | 39 | Wife | — | Scotland |
| 50 | Jessie Mclean | 9 | Daughter | — | Scotland |
Related Census Records
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)