CS
Charles Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Charles Sullivan across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Jas & Mary — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Porter |
| Industry | Office Building |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 811 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Porter |
| Township / Ward | Boston City |
| Est. Birth Year | ~1915 |
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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Josephine Sullivan | Daughter | — | 23 | ~1917 |
| Phyllis Sullivan | Daughter | — | 17 | ~1923 |
| Mary Sullivan | Head | — | 52 | ~1888 |
| Charles Sullivan | Son | — | 25 | ~1915 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 4
Suffolk, Massachusetts · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Charles H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 15
Suffolk, Massachusetts · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 25
Suffolk-County, Massachusetts · implied b. ~1915 — 4 household members
| Surname | Sullivan |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Porter |
| Industry | Office Building |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 811 |
| Highest Grade | Hs 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 Charles Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jas Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence) and father Joseph Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jas Sullivan
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Joseph Sullivan
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Sullivan
Son · 1940 · age 25 · b. ~1915 · Massachusetts
★ You are viewing this record
Sibling
Josephine Sullivan
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Sullivan
Sibling · 1940 · age 17
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-t0627-01679-00330)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Patricia Stevenson | 13 | Daughter | — | Massachusetts |
| 42 | Rita Stevenson | 11 | Daughter | — | Massachusetts |
| 43 | Catherine Stevenson | 5 | Daughter | — | Massachusetts |
| 44 | Austin Stevenson | 44 | Brother | Painter | Massachusetts |
| 45 | Frank Stevenson | 40 | Brother | Laborer | Massachusetts |
| 46 | Charles Baxter | 66 | Head | — | Ireland |
| 47 | Mary Baxter | 60 | Wife | — | Massachusetts |
| 48 | Margaret Donovan | 7 | Granddaughter | — | Massachusetts |
| 49 | Mary Sullivan | 52 | Head | Seamstress | Massachusetts |
| 50 | Charles Sullivan THIS PERSON | 25 | Son | Porter | Massachusetts |
| 51 | Josephine Sullivan | 23 | Daughter | — | Massachusetts |
| 52 | Phyllis Sullivan | 17 | Daughter | — | Massachusetts |
| 53 | Andrew Birch | 26 | Head | Truck Driver | Massachusetts |
| 54 | Catherine Birch | 23 | Wife | — | Massachusetts |
| 55 | Donald Johnston | 39 | Head | Foreman | Canada-English |
| 56 | Louise Johnston | 44 | Wife | — | Massachusetts |
| 57 | Kathleen Johnston | 11 | Daughter | — | Massachusetts |
| 58 | Joan Johnston | 5 | Daughter | — | Massachusetts |
| 59 | John Bomba | 55 | Head | Cook | Germany |
| 60 | Josephine Bomba | 52 | Wife | Gas Station | Germany |
| 61 | Mary Bomba | 21 | Daughter | Salesgirl | Massachusetts |
| 62 | Theresa Bomba | 14 | Daughter | — | Massachusetts |
| 63 | William Connerly | 55 | Head | Laborer | Massachusetts |
| 64 | Elizabeth Connerly | 50 | Wife | — | Massachusetts |
| 65 | Hugh Connerly | 21 | Son | Shipper | Massachusetts |
| 66 | John Connerly | 16 | Son | — | Massachusetts |
| 67 | Francis Connerly | 13 | Son | — | Massachusetts |
| 68 | James Connerly | 11 | Son | — | Massachusetts |
| 69 | Margaret Connerly | 9 | Daughter | — | Massachusetts |
| 70 | William Crawford | 57 | Head | Operator | Scotland |
| 71 | Jean Crawford | 53 | Wife | — | Scotland |
| 72 | Walter Crawford | 21 | Son | Mechanic | Massachusetts |
| 73 | Daniel Mcdonough | 77 | Head | — | Ireland |
| 74 | Bridget Mcdonough | 65 | Wife | — | Ireland |
| 75 | Harvey Tessier | 32 | Head | Counter Man | Canada-French |
| 76 | Ellen Tessier | 29 | Wife | — | Canada-English |
| 77 | Harvey Jr. Tessier | 5 | Son | — | Massachusetts |
| 78 | Robert Tessier | 2 | Son | — | Massachusetts |
| 79 | Patricia Tessier | 0 | Daughter | — | Massachusetts |
| 80 | Winnie Kennedy | 53 | Mother-in-law | Hairdresser | Canada-English |
Pedigree Summary
Charles + 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)