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Jeremiah Sullivan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Jeremiah Sullivan across the 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1899), then head of a 10-person household.
Age 21
b. ~1899
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Sullivan |
| Given Name | Jeremiah |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Agent |
| Industry | Insurance 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 | Agent |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1899 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Jeremiah | Age | Birth yr |
|---|---|---|---|---|
| Margaret Sullivan | Spouse | — | 46 | ~1874 |
| Patrick Sullivan | Head | — | 47 | ~1873 |
| John Sullivan | Son | — | 19 | ~1901 |
| Catherine Sullivan | Daughter | — | 7 | ~1913 |
| Annie Sullivan | Daughter | — | 20 | ~1900 |
| Simon Sullivan | Son | — | 12 | ~1908 |
| Timothy Sullivan | Son | — | 12 | ~1908 |
| Cornelius Sullivan | Son | — | 17 | ~1903 |
| Jeremiah Sullivan | Son | — | 21 | ~1899 |
| Joseph Sullivan | Son | — | 3 | ~1917 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 10
Middlesex, Massachusetts · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Jeremiah |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | M |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 21
Middlesex, Massachusetts · implied b. ~1899 — 10 household members
| Surname | Sullivan |
| Given Name | Jeremiah |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Agent |
| Industry | Insurance 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 Jeremiah Sullivan across 2 US Census years (1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
Jeremiah Sullivan
Son · 1920 · age 21 · b. ~1899 · Massachusetts
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Sibling
Catherine Sullivan
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sullivan
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Timothy Sullivan
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Sullivan
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Simon Sullivan
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Sullivan
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cornelius Sullivan
Sibling · 1920 · age 17
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:1920:14thcensusofpopu718unit:0118)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jeremiah Mcgrath | 22 | Son | Wagon Driver | Massachusetts |
| 2 | Michael Mcgrath | 20 | Son | Brush Maker | Massachusetts |
| 3 | William Mcgrath | 16 | Son | Errand Boy | Massachusetts |
| 4 | John J Sullivan | 37 | Head | Brush Maker | Canada |
| 5 | Alice Sullivan | 35 | Wife | — | Massachusetts |
| 6 | Emily Sullivan | 15 | Daughter | Paster | Massachusetts |
| 7 | Mary E Sullivan | 11 | Daughter | — | Massachusetts |
| 8 | Evelyn Sullivan | 10 | Daughter | — | Massachusetts |
| 9 | Elizabeth Sullivan | 3 | Daughter | — | Massachusetts |
| 10 | Julia B Pattee | 35 | Head | Bookkeeper | New Hampshire |
| 11 | Mary Porter | 65 | Head | — | Ireland |
| 12 | Mary Porter | 41 | Daughter | Sales Lady | Massachusetts |
| 13 | Joseph Cromwell | 30 | Head | Carpenter | Canada |
| 14 | Eva Cromwell | 25 | Wife | — | Canada |
| 15 | Clara Gallant | 27 | Sister-in-law | Machine Operator | Canada |
| 16 | John Ronan | 49 | Head | Foreman | Ireland |
| 17 | Margaret Ronan | 45 | Wife | — | Ireland |
| 18 | Anna Ronan | 18 | Daughter | — | Massachusetts |
| 19 | Julia Ronan | 16 | Daughter | — | Massachusetts |
| 20 | John Ronan | 15 | Son | — | Massachusetts |
| 21 | Margaret Ronan | 13 | Daughter | — | Massachusetts |
| 22 | Mary Ronan | 8 | Daughter | — | Massachusetts |
| 23 | Michael Moriarty | 49 | Head | Freight Handler | Ireland |
| 24 | Ellen Moriarty | 47 | Wife | — | Ireland |
| 25 | Catherine Moriarty | 21 | Daughter | Stenographer | Massachusetts |
| 26 | Jeremiah Moriarty | 17 | Son | Stenographer | Massachusetts |
| 27 | John J Cotter | 30 | Head | Steam Fitter | New Hampshire |
| 28 | Anna Cotter | 27 | Wife | — | Massachusetts |
| 29 | James M Cotter | 6 | Son | — | Massachusetts |
| 30 | Patrick J Sullivan | 47 | Head | Caster | Ireland |
| 31 | Margaret Sullivan | 46 | Wife | — | Ireland |
| 32 | Jeremiah Sullivan THIS PERSON | 21 | Son | Agent | Massachusetts |
| 33 | Annie M Sullivan | 20 | Daughter | Bookkeeper | Massachusetts |
| 34 | John P Sullivan | 19 | Son | Die Maker | Massachusetts |
| 35 | Cornelius Sullivan | 17 | Son | Packer | Massachusetts |
| 36 | Simon C Sullivan | 12 | Son | — | Massachusetts |
| 37 | Timothy M Sullivan | 12 | Son | — | Massachusetts |
| 38 | Catherine T Sullivan | 7 | Daughter | — | Massachusetts |
| 39 | Joseph Sullivan | 3 | Son | — | Massachusetts |
| 40 | James J Fang | 32 | Head | Manager | Maine |
| 41 | Margaret Fang | 29 | Wife | — | Maine |
| 42 | Eldridge S Fang | 9 | Son | — | Maine |
| 43 | James J Jr Fang | 4 | Son | — | Massachusetts |
| 44 | Millard P Fang | 3 | Son | — | Massachusetts |
| 45 | Thomas F Fang | 2 | Son | — | Massachusetts |
| 46 | Leonard R Fang | 1 | Son | — | Massachusetts |
| 47 | John Walsh | 62 | Head | Contractor | Ireland |
| 48 | Annie Walsh | 60 | Wife | — | Ireland |
| 49 | Frank X Walsh | 32 | Son | Mason | Massachusetts |
| 50 | Annie Walsh | 24 | Daughter | Telephone Operator | 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)