MS
Michael Sullivan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Michael Sullivan across the 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1900), then head of a 9-person household.
Age 20
b. ~1900
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Sullivan |
| Given Name | Michael |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Shoe maker |
| Industry | Rubber Shoe Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Shoemaker |
| Township / Ward | Melrose City |
| Est. Birth Year | ~1900 |
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 1920 census.
| Name | Relation to head | Relative to Michael | Age | Birth yr |
|---|---|---|---|---|
| Margaret Sullivan | Daughter | — | 7 | ~1913 |
| Catherine Sullivan | Daughter | — | 13 | ~1907 |
| Anna Sullivan | Daughter | — | 19 | ~1901 |
| Mary Sullivan | Daughter | — | 17 | ~1903 |
| Helen Sullivan | Daughter | — | 15 | ~1905 |
| Daniel Sullivan | Head | — | 46 | ~1874 |
| Daniel Sullivan | Son | — | 11 | ~1909 |
| Michael Sullivan | Son | — | 20 | ~1900 |
| Mary Sullivan | Spouse | — | 42 | ~1878 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 11
Middlesex, Massachusetts · implied b. ~1899 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Michael |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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 20
Middlesex, Massachusetts · implied b. ~1900 — 9 household members
| Surname | Sullivan |
| Given Name | Michael |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Shoe maker |
| Industry | Rubber Shoe Co |
| 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 Michael Sullivan across 2 US Census years (1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Michael Sullivan
Son · 1920 · age 20 · b. ~1900 · Massachusetts
★ You are viewing this record
Sibling
Anna Sullivan
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Sullivan
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Sullivan
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sullivan
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Sullivan
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Sullivan
Sibling · 1920 · age 15
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:1920:14thcensusofpopu715unit:0689)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna T. Sullivan | 14 | Daughter | — | Massachusetts |
| 2 | Daniel Sullivan | 46 | Head | Laborer | Ireland |
| 3 | Mary Sullivan | 42 | Wife | — | Ireland |
| 4 | Michael Sullivan THIS PERSON | 20 | Son | Shoe Maker | Massachusetts |
| 5 | Anna Sullivan | 19 | Daughter | Stenographer | Massachusetts |
| 6 | Mary Sullivan | 17 | Daughter | Operator | Massachusetts |
| 7 | Helen Sullivan | 15 | Daughter | — | Massachusetts |
| 8 | Catherine Sullivan | 13 | Daughter | — | Massachusetts |
| 9 | Daniel Sullivan | 11 | Son | — | Massachusetts |
| 10 | Margaret Sullivan | 7 | Daughter | — | Massachusetts |
| 11 | Patrick W. Keating | 50 | Head | Teamster | Ireland |
| 12 | Katherine Keating | 46 | Wife | Housework | Ireland |
| 13 | John J. Keating | 21 | Son | Odd Jobs | Massachusetts |
| 14 | Margaret Keating | 20 | Daughter | Shoe Maker | Massachusetts |
| 15 | Joseph P. Keating | 18 | Son | Apprentice | Massachusetts |
| 16 | William L. Keating | 16 | Son | Waiter | Massachusetts |
| 17 | James Keating | 14 | Son | — | Massachusetts |
| 18 | Mary Keating | 12 | Daughter | — | Massachusetts |
| 19 | Pearley Keating | 11 | Daughter | — | Massachusetts |
| 20 | Thomas Keating | 5 | Son | — | Massachusetts |
| 21 | Louis D. O'Leary | 46 | Head | Laborer | Ireland |
| 22 | Katherine O'Leary | 40 | Wife | — | Ireland |
| 23 | Dennis O'Leary | 12 | Son | — | Massachusetts |
| 24 | Mary J. O'Leary | 10 | Daughter | — | Massachusetts |
| 25 | Louis O'Leary | 8 | Son | — | Massachusetts |
| 26 | John J. O'Leary | 5 | Son | — | Massachusetts |
| 27 | Katherine O'Leary | 4 | Daughter | — | Massachusetts |
| 28 | Eli Woolfe | 47 | Head | Cobbler | Russia (Jewish) |
| 29 | Bessie Woolfe | 46 | Wife | — | Russia |
| 30 | Hilda Woolfe | 20 | Daughter | Clerk | Ireland |
| 31 | Lillian Woolfe | 18 | Son | Stock Clerk | Ireland |
| 32 | Nathaniel Woolfe | 17 | Son | General Helper | Ireland |
| 33 | Barnard Woolfe | 16 | Son | — | Ireland |
| 34 | John Murphy | 57 | Head | Foreman | Ireland |
| 35 | Julia Murphy | 28 | Daughter | Clerk | Massachusetts |
| 36 | Jeremiah Murphy | 21 | Son | Clerk | Massachusetts |
| 37 | Josephine Dowd | 26 | Daughter | — | Massachusetts |
| 38 | Margaret Dowd | 2 | Granddaughter | — | Massachusetts |
| 39 | Owen Keanan | 65 | Head | Rail Handler | Ireland |
| 40 | Mary A. Keanan | 65 | Wife | — | Ireland |
| 41 | Alice Keanan | 38 | Daughter | Trimmer | Massachusetts |
| 42 | Edward J. Keanan | 36 | Son | Wood Worker | Massachusetts |
| 43 | Margaret Keanan | 11 | Adopted Daughter | — | Massachusetts |
| 44 | Margaret Doherty | 58 | Head | — | Ireland |
| 45 | Annie A. Doherty | 20 | Daughter | Billing Clerk | Massachusetts |
| 46 | Margaret M. Tierney | 13 | Boarder | — | Massachusetts |
| 47 | Bridget Hopkins | 76 | Head | — | Ireland |
| 48 | Katherine Hopkins | 45 | Daughter | Rubber Worker | Ireland |
| 49 | Delia V. Hopkins | 43 | Daughter | Rubber Worker | Ireland |
| 50 | Annie J. Hopkins | 40 | Daughter | Dressmaker | Ireland |
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)