DS
Daniel Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this Daniel Sullivan across the 1920, 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed), with identified parents William & Mary — first a head (b.~1903), then head of a 5-person household.
Age 37
b. ~1903
Male
Head
Born: New Hampshire
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Daniel M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Plymouth |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Auto industry |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1400 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Mechanic |
| Township / Ward | Plymouth |
| Est. Birth Year | ~1903 |
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 |
|---|---|---|---|---|
| Barbara Sullivan | Daughter | — | 16 | ~1924 |
| Daniel Sullivan | Head | — | 37 | ~1903 |
| Gerald Sullivan | Son | — | 14 | ~1926 |
| Leonard Sullivan | Son | — | 7 | ~1933 |
| Hazel Sullivan | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Plymouth, Massachusetts
Son, age 18
Plymouth, Massachusetts · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Daniel M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New Hampshire |
| Occupation | Repairer |
| Industry | Auto garage |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Plymouth, Massachusetts
Head, age 28
Plymouth, Massachusetts · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Daniel H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 22 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | New Hampshire |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Radio Set | R |
| Veteran | No |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Plymouth-County, Massachusetts
Head, age 37
Plymouth-County, Massachusetts · implied b. ~1903 — 5 household members
| Surname | Sullivan |
| Given Name | Daniel M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Plymouth |
| 1935 Residence (County) | Plymouth |
| Occupation | Mechanic |
| Industry | Auto industry |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1400 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 William Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Sullivan
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Daniel Sullivan
Head · 1940 · age 37 · b. ~1903 · 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 — Plymouth-County, Massachusetts
Open full size
1940 US Federal Census — Plymouth-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01639-00539)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Horatio Pierce | 26 | Head | Stone Mason | Mass |
| 42 | Marion B. Pierce | 22 | Wife | — | Mass |
| 43 | Oled C. Cassidy | 55 | Head | — | Scotland |
| 44 | Ruby R. Cassidy | 58 | Wife | — | Mass |
| 45 | Burton Mcguinness | 48 | Head | Labour | Mass |
| 46 | Ida Q. Mcguinness | 48 | Wife | — | N. Ireland |
| 47 | Anna Mcguinness | 16 | Son | — | Mass |
| 48 | James H. Harty | 52 | Head | Moulder | Rhode Island |
| 49 | Mary T. Harty | 45 | Wife | — | Mass |
| 50 | Jeanette Harty | 19 | Daughter | Clerk | Mass |
| 51 | Dorothy B. Lemos | 34 | Head | — | Mass |
| 52 | Mary Lemos | 8 | Daughter | — | Mass |
| 53 | Enid Lemos | 4 | Daughter | — | Mass |
| 54 | Alfred Lemos | 3 | Son | — | Mass |
| 55 | Daniel M. Sullivan THIS PERSON | 37 | Head | Mechanic | New Hampshire |
| 56 | Hazel M. Sullivan | 37 | Wife | Tele Operator | Mass |
| 57 | Barbara Sullivan | 16 | Daughter | — | Mass |
| 58 | Gerald Sullivan | 14 | Son | — | Mass |
| 59 | Leonard Sullivan | 7 | Son | — | Mass |
| 60 | Alfred D. Montanari | 47 | Head | Proprietor | Italy |
| 61 | Rae Montanari | 44 | Wife | — | Italy |
| 62 | Alvin Montanari | 16 | Son | — | Mass |
| 63 | Nancy Montanari | 12 | Daughter | — | Mass |
| 64 | David Montanari | 10 | Son | — | Mass |
| 65 | Helston Q. Walker | 66 | Head | Twister | England |
| 66 | Edith Q. Walker | 61 | Wife | Twister | England |
| 67 | William H. Loft | 68 | Head | Twister | England |
| 68 | Ellen H. Loft | 61 | Wife | Club Steward | England |
| 69 | Vincent A. Zuccarchelli | 38 | Head | Police Man | Mass |
| 70 | Catherine Zuccarchelli | 36 | Wife | — | Mass |
| 71 | George A. Raymond | 75 | Head | — | Mass |
| 72 | Margie Raymond | 70 | Wife | — | Mass |
| 73 | George B. Drew | 48 | Head | Machinist | Mass |
| 74 | Lottie Q. Drew | 50 | Wife | Telephone Op. | Mass |
| 75 | George L. Gray | 59 | Head | Club Steward | Mass |
| 76 | Estella Gray | 55 | Wife | — | Mass |
| 77 | William Gray | 65 | Head | Proprietor | Mass |
| 78 | Blanche Gray | 60 | Wife | — | Nova Scotia |
| 79 | Kenneth Gray | 24 | Son | Clerk | Mass |
| 80 | Caroline Gibson | 79 | Mother-in-law | — | Nova Scotia |
Pedigree Summary
Daniel
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 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)