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Jeremiah Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Jeremiah Sullivan across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Henry & Jeremiah — first a son (b.~1887), then head of a 4-person household.
Age 43
b. ~1887
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Sullivan |
| Given Name | Jeremiah J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | Janitor |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Janitor |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1887 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Jeremiah | Age | Birth yr |
|---|---|---|---|---|
| Jeremiah Sullivan | Son | — | 43 | ~1887 |
| Timothy Sullivan | Head | — | 66 | ~1864 |
| Anna Sullivan | Daughter | — | 42 | ~1888 |
| John Sullivan | Son | — | 42 | ~1888 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 24
Middlesex, Massachusetts · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Jeremiah |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ire - English |
| Mother's Birthplace | Massachusetts |
| Occupation | Ring cutter |
| Industry | Horse works |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 33
Middlesex, Massachusetts · implied b. ~1887 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Jeremiah J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Janitor |
| Industry | City Hall |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 43
Middlesex, Massachusetts · implied b. ~1887 — 4 household members
| Surname | Sullivan |
| Given Name | Jeremiah J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Irish Free State |
| Occupation | Janitor |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | 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 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Henry Sullivan (~0.92 confidence) and father Jeremiah Sullivan (~0.92 confidence) and father Timothy Sullivan (~0.92 confidence) and mother Catherine Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Sullivan
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Jeremiah Sullivan
b. ~1848
Source father
● Household
· direct · ~0.92
Father
Timothy Sullivan
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Catherine Sullivan
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Jeremiah Sullivan
Son · 1930 · age 43 · b. ~1887 · Massachusetts
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Sibling
Anna Sullivan
Sibling · 1930 · age 42
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sullivan
Sibling · 1930 · age 42
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
1930 US Federal Census — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel928:0036)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Grace B. Eddy | 34 | Wife-H | Stenographer | New Hampshire |
| 52 | Ruth M. Eddy | 9 | Daughter | — | Massachusetts |
| 53 | Marjorie B. Eddy | 7 | Daughter | — | Massachusetts |
| 54 | Melvin G. Jr. Eddy | 2 | Son | — | Massachusetts |
| 55 | Joseph Muskalatzy | 40 | Head | Bricklayer | Poland |
| 56 | Ellen Muskalatzy | 40 | Wife-H | — | Poland |
| 57 | Joseph Muskalatzy | 11 | Son | — | Massachusetts |
| 58 | Alice Muskalatzy | 10 | Daughter | — | Massachusetts |
| 59 | Norah Muskalatzy | 6 | Daughter | — | Massachusetts |
| 60 | Alfred Muskalatzy | 2 | Son | — | Massachusetts |
| 61 | Frank W. Quigley | 30 | Head | Shipper | Massachusetts |
| 62 | Margaret A. Quigley | 25 | Wife-H | Machine Operator | Massachusetts |
| 63 | James Graham | 55 | Head | Produce | No. Ireland |
| 64 | Annie Graham | 51 | Wife-H | — | No. Ireland |
| 65 | Robert T. Graham | 18 | Son | Shipping Clerk | Massachusetts |
| 66 | Elizabeth Graham | 15 | Daughter | — | Massachusetts |
| 67 | Ethel Graham | 12 | Daughter | — | Massachusetts |
| 68 | Timothy H. Sullivan | 66 | Head | Paper Hanger | Massachusetts |
| 69 | Jeremiah J. Sullivan THIS PERSON | 43 | Son | Janitor | Massachusetts |
| 70 | John D. Sullivan | 42 | Son | Letter Carrier | Massachusetts |
| 71 | Anna H. Sullivan | 42 | Daughter | — | Massachusetts |
| 72 | Henry J. Carrigan | 33 | Head | Electric Typer | Maine |
| 73 | Marie B. Carrigan | 30 | Wife-H | — | Canada English |
| 74 | Richard B. Carrigan | 5 | Son | — | Massachusetts |
| 75 | Thomas C. Webster | 47 | Head | Carpenter | Scotland |
| 76 | Barbara B. Webster | 46 | Wife-H | — | Scotland |
| 77 | Barbara Webster | 16 | Daughter | — | Massachusetts |
| 78 | Catherine E. Webster | 14 | Daughter | — | Massachusetts |
| 79 | Jessie M. Webster | 12 | Daughter | — | Massachusetts |
| 80 | Thomas C. Jr. Webster | 10 | Son | — | Massachusetts |
| 81 | Alexander P. Webster | 8 | Son | — | Massachusetts |
| 82 | George J. Harrell | 50 | Head | Attendant | Massachusetts |
| 83 | Rose M. Harrell | 49 | Wife-H | — | Irish Free State |
| 84 | George A. Harrell | 27 | Son | Odd Jobs | Massachusetts |
| 85 | Nelly D. Harrell | 16 | Daughter | — | Massachusetts |
| 86 | Ruth M. Harrell | 15 | Daughter | — | Massachusetts |
| 87 | James A. Harrell | 12 | Son | — | Massachusetts |
| 88 | Wilbur Decker | 60 | Boarder | Carpenter | Maine |
| 89 | Mary Smith | 45 | Head | Cook | Canada English |
| 90 | Henry J. Ready | 39 | Head | Odd Jobs | Irish Free State |
| 91 | Margaret M. Ready | 34 | Wife-H | — | Irish Free State |
| 92 | John J. Ready | 8 | Son | — | Irish Free State |
| 93 | Michael C. Ready | 7 | Son | — | Irish Free State |
| 94 | Mary P. Ready | 5 | Daughter | — | Irish Free State |
| 95 | Richard F. Ready | 2 | Son | — | Massachusetts |
| 96 | Thomas J. Shannon | 37 | Boarder | Helper | Irish Free State |
| 97 | Frank Kelley | 53 | Boarder | Helper | Irish Free State |
| 98 | Florence Lannon | 29 | Head | — | Massachusetts |
| 99 | Thomas Lannon | 12 | Son | — | Massachusetts |
| 100 | John Lannon | 2 | Son | — | Portugal |
Pedigree Summary
Jeremiah + 2 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)