DS
Daniel Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Daniel Sullivan across the 1910, 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Anna & Maurice — first a head (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Daniel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | chauffeur |
| Industry | milk |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chauffeur |
| Township / Ward | Somerville City |
| Est. Birth Year | ~1906 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Daniel | Age | Birth yr |
|---|---|---|---|---|
| Marion Sullivan | Daughter | — | 6 | ~1934 |
| Daniel Sullivan | Head | — | 34 | ~1906 |
| Jessie Sullivan | Spouse | — | 28 | ~1912 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 1
Middlesex, Massachusetts · implied b. ~1909 — 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 | 1 |
| 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 11
Middlesex, Massachusetts · implied b. ~1909 — 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 | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 23
Middlesex, Massachusetts · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Daniel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Investigator |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Head, age 34
Middlesex-County, Massachusetts · implied b. ~1906 — 3 household members
| Surname | Sullivan |
| Given Name | Daniel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Somerville City |
| 1935 Residence (County) | Middlesex |
| Occupation | chauffeur |
| Industry | milk |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | No 7 |
| 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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Anna Sullivan (~0.92 confidence) and father Maurice Sullivan (~0.92 confidence) and mother Sophia Sullivan (~0.92 confidence) and father Daniel Sullivan (~0.92 confidence) and mother Annie Sullivan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anna Sullivan
b. ~1870
Source mother
● Household
· direct · ~0.92
Father
Maurice Sullivan
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Sophia Sullivan
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Daniel Sullivan
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Annie Sullivan
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Daniel Sullivan
Head · 1940 · age 34 · b. ~1906 · 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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01702-00149)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Irene Cullen | 11 | daughter | — | Massachusetts |
| 42 | Andrew Patrian | 58 | Head | Laborer | Poland |
| 43 | Mary Patrian | 49 | Wife | — | Poland |
| 44 | Theodore Patrian | 27 | son | Laborer | Massachusetts |
| 45 | John Patrian | 26 | son | Clerk | Massachusetts |
| 46 | Stanley Patrian | 21 | son | Laborer | Massachusetts |
| 47 | Rose Patrian | 23 | daughter | Wrapper | Massachusetts |
| 48 | Helen Patrian | 18 | daughter | Operator | Massachusetts |
| 49 | Arthur Vangell | 23 | Head | Counterman | Albania |
| 50 | Jennie Vangell | 26 | Wife | — | Massachusetts |
| 51 | John Mataszewski | 48 | Head | Baker | Poland |
| 52 | Mary Mataszewski | 43 | Wife | — | New York |
| 53 | Alfred Mataszewski | 21 | son | Baker | Massachusetts |
| 54 | Francis Mataszewski | 16 | son | — | Massachusetts |
| 55 | John Trainor | 58 | Head | Laborer | Canada Eng |
| 56 | Josephine Trainor | 50 | Wife | — | Massachusetts |
| 57 | Mabel Trainor | 21 | daughter | — | Canada Eng |
| 58 | Dorothy Trainor | 20 | daughter | Waitress | Canada Eng |
| 59 | Rita Trainor | 17 | daughter | — | Canada Eng |
| 60 | Charles Trainor | 15 | son | — | Canada Eng |
| 61 | Genevieve Trainor | 12 | daughter | — | Massachusetts |
| 62 | Raymond Felto | 24 | Head | Carpenter | Virginia |
| 63 | George Felto | 1 | son | — | Massachusetts |
| 64 | Mary Goslen | 64 | Head | — | Ireland Eire |
| 65 | Mary Goslen | 36 | daughter | Roofer | Massachusetts |
| 66 | Nettie G. Reed | 65 | Head | — | Maine |
| 67 | Harold S. Lord | 61 | Head | Laborer | Maine |
| 68 | Lena Raphael | 50 | Head | — | Albania |
| 69 | George Raphael | 23 | son | Waiter | Massachusetts |
| 70 | Anna Raphael | 20 | daughter | Waitress | Massachusetts |
| 71 | Thomas Raphael | 17 | son | — | Massachusetts |
| 72 | Daniel Sullivan THIS PERSON | 34 | Head | Chauffeur | Massachusetts |
| 73 | Jessie Sullivan | 28 | Wife | — | Massachusetts |
| 74 | Marion Sullivan | 6 | daughter | — | Massachusetts |
| 75 | Guiseppe Incatasciato | 60 | Head | Laborer | Italy |
| 76 | Rosina Incatasciato | 58 | Wife | — | Italy |
| 77 | Vincent Incatasciato | 26 | son | Clerk | Massachusetts |
| 78 | Mario Incatasciato | 30 | son | Cutter | Italy |
| 79 | Laura Incatasciato | 28 | daughter in law | — | Massachusetts |
| 80 | Joseph Incatasciato | 2 | grandson | — | Massachusetts |
Pedigree Summary
Daniel
Gen 1 · 5 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)