ES
Eugene Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Eugene Sullivan across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents John & Lucy — first a head (b.~1893), then head of a 4-person household.
Age 37
b. ~1893
Male
Head
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Sullivan |
| Given Name | Eugene H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 22 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Salesman |
| Industry | Ins - Real Estate |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 14000 |
| Radio Set | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Salesman |
| Township / Ward | Belmont Town Pt Of |
| Est. Birth Year | ~1893 |
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 Eugene | Age | Birth yr |
|---|---|---|---|---|
| Eugene Sullivan | Head | — | 37 | ~1893 |
| Joseph Sullivan | Son | — | 2 | ~1928 |
| Eugene Sullivan | Son | — | 14 | ~1916 |
| Nellie Sullivan | Spouse | — | 33 | ~1897 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 17
Middlesex, Massachusetts · implied b. ~1893 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Eugene P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| 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
Head, age 27
Middlesex, Massachusetts · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Eugene H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Salesman |
| Industry | Auto Tires |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Head, age 37
Middlesex, Massachusetts · implied b. ~1893 — 4 household members
| Surname | Sullivan |
| Given Name | Eugene H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 22 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Salesman |
| Industry | Ins - Real Estate |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 14000 |
| Radio Set | R |
| 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 Eugene Sullivan across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father John Sullivan (~0.92 confidence) and mother Lucy Sullivan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Sullivan
b. ~1854
Source father
● Household
· direct · ~0.92
Mother
Lucy Sullivan
b. ~1856
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Eugene Sullivan
Head · 1930 · age 37 · b. ~1893 · Massachusetts
★ You are viewing this record
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:massachusettscensus00reel914:1026)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James R Van Horn | 20 | Son | — | Pennsylvania |
| 2 | Clayton Hawes | 57 | Head | Engineer | Massachusetts |
| 3 | Florence Hawes | 45 | Wife | — | Canada-English |
| 4 | Beatrice Hawes | 14 | Daughter | — | Massachusetts |
| 5 | Barbara Hawes | 11 | Daughter | — | Massachusetts |
| 6 | Walter B Gaines | 72 | Boarder | — | Maine |
| 7 | Eugene H Sullivan THIS PERSON | 37 | Head | Salesman | Massachusetts |
| 8 | Nellie L Sullivan | 33 | Wife | — | Massachusetts |
| 9 | Eugene H Jr Sullivan | 14 | Son | — | Massachusetts |
| 10 | Joseph Sullivan | 2 | Son | — | Massachusetts |
| 11 | David R Kenyon | 44 | Head | Salesman | Rhode Island |
| 12 | Mabel H Kenyon | 40 | Wife | — | Scotland |
| 13 | Margaret F Kenyon | 22 | Daughter | Stenographer | Rhode Island |
| 14 | David R Jr Kenyon | 21 | Son | Clerk | Rhode Island |
| 15 | Ruth E Kenyon | 17 | Daughter | — | Rhode Island |
| 16 | Francis A Harden | 35 | Head | Salesman | Pennsylvania |
| 17 | Anna L Harden | 29 | Wife | — | Pennsylvania |
| 18 | Francis A Jr Harden | 7 | Son | — | Pennsylvania |
| 19 | Henrietta Hedges | 34 | Maid | Maid | Canada-French |
| 20 | Will S Brown | 42 | Head | Salesman | Canada-English |
| 21 | Grace U Brown | 40 | Wife | — | Massachusetts |
| 22 | Will S Jr Brown | 10 | Son | — | Massachusetts |
| 23 | Charles A Hopkins | 68 | Father-in-law | — | Massachusetts |
| 24 | Grace A Hopkins | 67 | Mother-in-law | — | New Hampshire |
| 25 | Alexander A Maclean | 54 | Head | Proprietor | Canada-English |
| 26 | Annie H Maclean | 53 | Wife | — | Massachusetts |
| 27 | Alexander A Jr Maclean | 6 | Son | — | Massachusetts |
| 28 | Jacob G Smith | 57 | Head | Manager | Missouri |
| 29 | Mary E Smith | 57 | Wife | — | New York |
| 30 | Frank E Whittier | 76 | Head | Inspector | New Hampshire |
| 31 | Marion S Whittier | 42 | Daughter | Clerk | Massachusetts |
| 32 | Clara H French | 62 | Boarder | — | Massachusetts |
| 33 | Clara H French | 54 | Daughter | Teacher | Massachusetts |
| 34 | Helen M French | 50 | Daughter | Teacher | Massachusetts |
| 35 | Edith Doring | 51 | Boarder | Teacher | Massachusetts |
| 36 | Florence Lundie | 61 | Boarder | — | Massachusetts |
| 37 | Edmund H Noyes | 43 | Head | Manager | Massachusetts |
| 38 | Grace W Noyes | 40 | Wife | — | Maine |
| 39 | Robert H Noyes | 15 | Son | — | Rhode Island |
| 40 | Lottie E Howard | 67 | Head | — | Massachusetts |
| 41 | Mabel F Duel | 65 | Head | — | Maine |
| 42 | Eben A Hall | 51 | Head | Broker | Massachusetts |
| 43 | Janet Hall | 14 | Daughter | — | Massachusetts |
| 44 | Ethel Rockwell | 36 | Housekeeper | Housekeeper | Massachusetts |
| 45 | Oscar R Dahlstrom | 59 | Head | Architect | Canada-English |
| 46 | Ella W Dahlstrom | 54 | Wife | — | Canada-English |
| 47 | Thomas H Hagg | 48 | Head | Merchant | Canada-English |
| 48 | Grace E Hagg | 45 | Wife | — | Canada-English |
| 49 | Lucelia S Walker | 58 | Head | — | Massachusetts |
| 50 | Lena Fletcher | 82 | Mother | — | Vermont |
Pedigree Summary
Eugene
Gen 1 · 2 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)