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 & Daniel — first a son (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Daniel |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Receiver |
| Industry | Plumbing Co |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 2261 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Receiver |
| Township / Ward | Boston City |
| Est. Birth Year | ~1907 |
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 1940 census.
| Name | Relation to head | Relative to Daniel | Age | Birth yr |
|---|---|---|---|---|
| Sarah Sullivan | Daughter | — | 25 | ~1915 |
| Daniel Sullivan | Head | — | 70 | ~1870 |
| Daniel Sullivan | Son | — | 33 | ~1907 |
| Charles Sullivan | Son | — | 30 | ~1910 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 13
Suffolk, Massachusetts · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Daniel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 22
Suffolk, Massachusetts · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Daniel E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Bookkeeper |
| Industry | Rubber Mfg Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 33
Suffolk-County, Massachusetts · implied b. ~1907 — 4 household members
| Surname | Sullivan |
| Given Name | Daniel |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Receiver |
| Industry | Plumbing Co |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 2261 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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) and father Daniel Sullivan (~0.92 confidence) and father Cornelius Sullivan (~0.92 confidence) and mother Maggie Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Sullivan
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Daniel Sullivan
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Cornelius Sullivan
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Maggie Sullivan
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Daniel Sullivan
Son · 1940 · age 33 · b. ~1907 · Massachusetts
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Sibling
Charles Sullivan
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Sullivan
Sibling · 1940 · age 25
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
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-t0627-01682-00468)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Kinsella | 3 | son | — | Massachusetts |
| 2 | Margaret Kinsella | 74 | mother | — | Irish Free State |
| 3 | Ralph D. Shepard | 54 | Head | Real Estate | Massachusetts |
| 4 | Winifred M. Shepard | 53 | wife | — | Massachusetts |
| 5 | Nishan Roubian | 55 | Head | Shoe Maker | Turkey |
| 6 | Elmas D. Roubian | 44 | wife | — | Turkey |
| 7 | James Roubian | 22 | son | Attendant | Massachusetts |
| 8 | Edward Roubian | 22 | son | Attendant | Massachusetts |
| 9 | Walter P. Heffernan | 42 | Head | Policeman | Massachusetts |
| 10 | Alice Heffernan | 33 | wife | — | Massachusetts |
| 11 | Victor Cohen | 58 | Head | Suspender Maker | Russia |
| 12 | Eva R. Cohen | 54 | wife | — | Russia |
| 13 | Herbert Cohen | 22 | son | Chiropodist | Massachusetts |
| 14 | Bernard Glynn | 26 | Head | Waiter | Florida |
| 15 | Virginia S. Glynn | 28 | wife | — | Massachusetts |
| 16 | Marianne Glynn | 0 | daughter | — | Massachusetts |
| 17 | Margaret Glynn | 69 | mother | — | Massachusetts |
| 18 | Catherine Glynn | 25 | sister | Nurse | Florida |
| 19 | Lewis J. Manson | 52 | Head | Compositor | Germany |
| 20 | Gertrude M. Manson | 47 | wife | — | Lithuania |
| 21 | — | None | — | — | — |
| 22 | Charles Minnis | 53 | Head | Electric Crane Operator | Canada English |
| 23 | Marion D. Minnis | 28 | wife | — | Canada English |
| 24 | Charles Minnis | 16 | son | — | Massachusetts |
| 25 | Ellen T. Maloney | 60 | Head | — | Irish Free State |
| 26 | John Maloney | 31 | son | Professional | Massachusetts |
| 27 | Maurice J. Murphy | 63 | Head | Electric Tower Maintainer | Massachusetts |
| 28 | Annie E. Murphy | 49 | wife | — | Massachusetts |
| 29 | Peter F. Murphy | 28 | son | Clerk | Massachusetts |
| 30 | Maurice P. Murphy | 27 | son | Elevator Operator | Massachusetts |
| 31 | Frederick D. Crosby | 66 | Head | — | Massachusetts |
| 32 | Bridget E. Crosby | 65 | wife | — | Massachusetts |
| 33 | Henry Fullum | 40 | Head | Shipper | Massachusetts |
| 34 | Caroline D. Fullum | 41 | wife | — | Massachusetts |
| 35 | Robert Fullum | 13 | son | — | Massachusetts |
| 36 | Philip Fullum | 5 | son | — | Massachusetts |
| 37 | Daniel Sullivan | 70 | Head | Black Walker | Irish Free State |
| 38 | Daniel Sullivan THIS PERSON | 33 | son | Receiver | Massachusetts |
| 39 | Charles Sullivan | 30 | son | Milkman | Massachusetts |
| 40 | Sarah Sullivan | 25 | daughter | Clerk | Massachusetts |
Pedigree Summary
Daniel + 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 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)