DS
Daniel Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Daniel Sullivan across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Daniel — first a head (b.~1893), then head of a 5-person household.
Age 47
b. ~1893
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Daniel J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Plumber |
| Industry | Plumbing Contractor |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 348 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Plumber |
| Township / Ward | Boston City |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Daniel | Age | Birth yr |
|---|---|---|---|---|
| Claire Sullivan | Daughter | — | 11 | ~1929 |
| Eileen Sullivan | Daughter | — | 6 | ~1934 |
| Daniel Sullivan | Head | — | 47 | ~1893 |
| Francis Sullivan | Son | — | 16 | ~1924 |
| Katherine Sullivan | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 26
Suffolk, Massachusetts · implied b. ~1894 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Daniel J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Learner |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Head, age 36
Suffolk, Massachusetts · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Daniel J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 20 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Veteran | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 47
Suffolk-County, Massachusetts · implied b. ~1893 — 5 household members
| Surname | Sullivan |
| Given Name | Daniel J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Plumber |
| Industry | Plumbing Contractor |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 348 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| 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 Daniel Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Sullivan (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Sullivan
b. ~1865
Source father
● Household
· direct · ~0.92
This person
Anchor record
Daniel Sullivan
Head · 1940 · age 47 · 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
1940 US Federal Census — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01680-00328)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles A. Hoar | 46 | Head | Clerk | Massachusetts |
| 2 | Mary D. Hoar | 34 | Wife | — | Massachusetts |
| 3 | Edith P. Hoar | 6 | Daughter | — | Massachusetts |
| 4 | Infant Hoar | 0 | Son | — | Massachusetts |
| 5 | Edith Hartigan | 67 | Mother-in-law | — | New Hampshire |
| 6 | Harry L. Jones | 58 | Head | Appraisal Clerk | Pennsylvania |
| 7 | Effie Jones | 59 | Wife | — | Canada English |
| 8 | Salvatore Mezzanotte | 46 | Head | Truck Mason | Italy |
| 9 | Camella Mezzanotte | 39 | Wife | — | Italy |
| 10 | Lucille O. Mezzanotte | 14 | Daughter | — | Massachusetts |
| 11 | Patrick Mezzanotte | 4 | Son | — | Massachusetts |
| 12 | Joseph Puzzo | 48 | Brother-in-law | Shoe Maker | Italy |
| 13 | Antonette Puzzo | 45 | Sister-in-law | Clerk | Italy |
| 14 | Patrick J. O'Connor | 46 | Head | Fireman | Irish Free State |
| 15 | Barbara F. O'Connor | 41 | Wife | — | Irish Free State |
| 16 | Joseph B. O'Connor | 16 | Son | — | Massachusetts |
| 17 | Margaret A. Coyne | 51 | Sister-in-law | Check Girl | Irish Free State |
| 18 | Frederick G. Menghi | 61 | Head | Fireman | Massachusetts |
| 19 | Grace A. Menghi | 50 | Wife | — | Massachusetts |
| 20 | John F. Menghi | 30 | Son | Clerk (Shipping) | Massachusetts |
| 21 | Daniel J. Sullivan THIS PERSON | 47 | Head | Plumber | Massachusetts |
| 22 | Katherine A. Sullivan | 47 | Wife | — | Massachusetts |
| 23 | Francis X. Sullivan | 16 | Son | — | Massachusetts |
| 24 | Claire E. Sullivan | 11 | Daughter | — | Massachusetts |
| 25 | Eileen Sullivan | 6 | Daughter | — | Massachusetts |
| 26 | Thomas A. Norton | 69 | Head | Chauffeur | Massachusetts |
| 27 | Catherine A. Norton | 66 | Wife | — | Irish Free State |
| 28 | Louise C. Norton | 35 | Daughter | Stenographer | Massachusetts |
| 29 | Thomas F. Norton | 32 | Son | Substitute Mail Carrier | Massachusetts |
| 30 | John Q. London | 61 | Head | Furniture Mover | Canada English |
| 31 | Millie C. London | 62 | Wife | — | Canada English |
| 32 | Francis J. Mcfague | 50 | Head | Fireman | Massachusetts |
| 33 | Rita J. Mcfague | 48 | Wife | — | Massachusetts |
| 34 | Mary Z. Mcfague | 18 | Daughter | — | Massachusetts |
| 35 | Francis J. Jr. Mcfague | 16 | Son | — | Massachusetts |
| 36 | Arthur W. Park | 57 | Head | Fruit Selector | Newfoundland |
| 37 | Alice E. Park | 51 | Wife | — | Canada English |
| 38 | Harold G. Park | 24 | Son | Fruit Selector | Massachusetts |
| 39 | Maynard P. Johns | 63 | Head | Carpenter | Canada English |
| 40 | Bertha E. Johns | 58 | Wife | — | Canada English |
Pedigree Summary
Daniel
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)