JD
John Dolan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this John Dolan across the 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 8-person household.
Age 12
b. ~1908
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Dolan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Town Of Winchester Part Of |
| Est. Birth Year | ~1908 |
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 |
|---|---|---|---|---|
| Charles Dolan | Son | — | 4 | ~1916 |
| Francis Dolan | Son | — | 6 | ~1914 |
| Annie Dolan | Daughter | — | 8 | ~1912 |
| Mary Dolan | Daughter | — | 10 | ~1910 |
| John Dolan | Son | — | 12 | ~1908 |
| Thomas Dolan | Son | — | 13 | ~1907 |
| Francis Dolan | Head | — | 47 | ~1873 |
| Bridget Dolan | Spouse | — | 39 | ~1881 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 1
Middlesex, Massachusetts · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dolan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1908 — 8 household members
| Surname | Dolan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| 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 Dolan across 2 US Census years (1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
John Dolan
Son · 1920 · age 12 · b. ~1908 · Massachusetts
★ You are viewing this record
Sibling
Mary Dolan
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Dolan
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Dolan
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Dolan
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Dolan
Sibling · 1920 · age 4
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:1920:14thcensusofpopu720unit:0617)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James | 12 | Son | — | Massachusetts |
| 52 | Michael Leydon | 47 | Head | Laborer | Ireland |
| 53 | Bridget Leydon | 44 | Wife | — | Ireland |
| 54 | Thomas Leydon | 12 | Son | — | Massachusetts |
| 55 | Josephine Leydon | 4 | Daughter | — | Massachusetts |
| 56 | Roger O'Connor | 52 | Head | Laborer | Ireland |
| 57 | Julia O'Connor | 50 | Wife | — | Ireland |
| 58 | John O'Connor | 23 | Son | Repairman | Massachusetts |
| 59 | Mary O'Connor | 20 | Daughter | Stenographer | Massachusetts |
| 60 | Annie O'Connor | 17 | Daughter | — | Massachusetts |
| 61 | James O'Connor | 15 | Son | — | Massachusetts |
| 62 | William O'Connor | 12 | Son | — | Massachusetts |
| 63 | James J Doyle | 42 | Head | Repairman | New York |
| 64 | Annette Doyle | 33 | Wife | — | Connecticut |
| 65 | Thomas J Doyle | 5 | Son | — | New York |
| 66 | James J Doyle | 3 | Son | — | New York |
| 67 | Annette M Doyle | 1 | Daughter | — | New York |
| 68 | Elizabeth Doyle | 0 | Daughter | — | New York |
| 69 | John Dooley | 52 | Head | Currier | Ireland |
| 70 | Catherine Dooley | 27 | Daughter | — | Massachusetts |
| 71 | Francis Dooley | 23 | Daughter | Operator | Massachusetts |
| 72 | Celia Dooley | 21 | Daughter | Bookkeeper | Massachusetts |
| 73 | Florence Dooley | 20 | Daughter | Stenographer | Massachusetts |
| 74 | James Dooley | 40 | Nephew | Currier | Ireland |
| 75 | Mary E Conlon | 57 | Head | — | Ireland |
| 76 | Frank Conlon | 26 | Son | Machinist | Massachusetts |
| 77 | Mary Conlon | 24 | Daughter | Felt Maker | Massachusetts |
| 78 | Arthur Conlon | 21 | Son | — | Massachusetts |
| 79 | Margaret Power | 12 | Granddaughter | — | Massachusetts |
| 80 | Michael Wall | 31 | Lodger | Laborer | Massachusetts |
| 81 | Francis Dolan | 47 | Head | Currier | Ireland |
| 82 | Bridget Dolan | 39 | Wife | — | Ireland |
| 83 | Thomas Dolan | 13 | Son | — | Massachusetts |
| 84 | John Dolan THIS PERSON | 12 | Son | — | Massachusetts |
| 85 | Mary Dolan | 10 | Daughter | — | Massachusetts |
| 86 | Annie Dolan | 8 | Daughter | — | Massachusetts |
| 87 | Francis Dolan | 6 | Son | — | Massachusetts |
| 88 | Charles Dolan | 4 | Son | — | Massachusetts |
| 89 | Neil Mclaughlin | 50 | Head | Currier | Ireland |
| 90 | Delia Mclaughlin | 46 | Wife | — | Ireland |
| 91 | Charles Chamberlain | 45 | Head | Teamster | Massachusetts |
| 92 | Mary Chamberlain | 43 | Wife | — | Ireland |
| 93 | Henry Chamberlain | 21 | Son | — | Massachusetts |
| 94 | Margaret Chamberlain | 17 | Daughter | — | Massachusetts |
| 95 | Olaf Anderson | 20 | Son-in-law | Repairman | Norway |
| 96 | John Belmont | 38 | Head | Chauffeur | North Carolina |
| 97 | Clara E Belmont | 35 | Wife | — | North Carolina |
| 98 | Arthur Belmont | 9 | Ward | — | Massachusetts |
| 99 | John Belmont | 9 | Ward | — | Massachusetts |
| 100 | Charles Belmont | 9 | Ward | — | 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)