KS
Katherine Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this Katherine Sullivan across the 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1905), then head of a 10-person household.
Age 35
b. ~1905
Female
Daughter
Born: MASSACHUSETTS
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | SULLIVAN |
| Given Name | KATHERINE E |
| Relationship to Head | DAUGHTER |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | MASSACHUSETTS |
| 1935 Residence (City) | Newburyport City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Newburyport City |
| Est. Birth Year | ~1905 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| Timothy Sullivan | Son | — | 37 | ~1903 |
| Katherine Sullivan | Daughter | — | 35 | ~1905 |
| Daniel Sullivan | Head | — | 74 | ~1866 |
| Abbie Sullivan | Daughter | — | 50 | ~1890 |
| Daniel Sullivan | Son | — | 46 | ~1894 |
| Joanna Sullivan | Spouse | — | 74 | ~1866 |
| Arthur Sullivan | Son | — | 25 | ~1915 |
| Eugene Sullivan | Son | — | 44 | ~1896 |
| William Sullivan | Son | — | 41 | ~1899 |
| Frederick Sullivan | Son | — | 33 | ~1907 |
Census Appearances
1930
Essex, Massachusetts
Daughter, age 24
Essex, Massachusetts · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Kathleen M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Stitcher |
| Industry | Shoe Mfg |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 35
Essex-County, Massachusetts · implied b. ~1905 — 10 household members
| Surname | SULLIVAN |
| Given Name | KATHERINE E |
| Relationship to Head | DAUGHTER |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | MASSACHUSETTS |
| 1935 Residence (City) | Newburyport City |
| 1935 Residence (County) | Essex |
| 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 Katherine Sullivan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Katherine Sullivan
Daughter · 1940 · age 35 · b. ~1905 · Massachusetts
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Sibling
William Sullivan
Sibling · 1940 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Timothy Sullivan
Sibling · 1940 · age 37
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Sullivan
Sibling · 1940 · age 46
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Sullivan
Sibling · 1940 · age 44
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Abbie Sullivan
Sibling · 1940 · age 50
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Sullivan
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01587-00146)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold Zoolalian | 9 | SON | — | MASSACHUSETTS |
| 2 | Edward Zoolalian | 5 | SON | — | MASSACHUSETTS |
| 3 | Albert E. Hurst | 53 | HEAD | Shoe Worker | MASSACHUSETTS |
| 4 | Mary D. Hurst | 53 | WIFE | — | MASSACHUSETTS |
| 5 | Albert E. Jr. Hurst | 16 | SON | — | MASSACHUSETTS |
| 6 | Daniel Sullivan | 74 | HEAD | Teamster | IRISH FREE STATE |
| 7 | Joanna Sullivan | 74 | WIFE | — | IRISH FREE STATE |
| 8 | Abbie E. Sullivan | 50 | DAUGHTER | Secretary | MASSACHUSETTS |
| 9 | Daniel F. Sullivan | 46 | SON | Custodian | MASSACHUSETTS |
| 10 | Eugene A Sullivan | 44 | SON | Patrolman | MASSACHUSETTS |
| 11 | William H Sullivan | 41 | SON | Driver | MASSACHUSETTS |
| 12 | Katherine E Sullivan THIS PERSON | 35 | DAUGHTER | — | MASSACHUSETTS |
| 13 | Timothy R. Sullivan | 37 | SON | — | MASSACHUSETTS |
| 14 | Frederick T Sullivan | 33 | SON | Sub. Clerk | MASSACHUSETTS |
| 15 | Arthur A Sullivan | 25 | SON | Custodian | MASSACHUSETTS |
| 16 | Mary N. Rundlett | 70 | HEAD | — | MASSACHUSETTS |
| 17 | Annie K Pettingell | 74 | SISTER | — | MASSACHUSETTS |
| 18 | Dorothea Waltz | 40 | LODGER | Teacher | MAINE |
| 19 | George Contos | 51 | HEAD | Shoe Worker | GREECE |
| 20 | William Contos | 21 | SON | Worker | MASSACHUSETTS |
| 21 | Sylvestine Contos | 17 | DAUGHTER | Shoe Worker | MASSACHUSETTS |
| 22 | Anthony Contos | 13 | SON | — | MASSACHUSETTS |
| 23 | Frank X. Daigle | 67 | HEAD | Mill Worker | CANADA FRENCH |
| 24 | Grace Daigle | 60 | WIFE | — | CANADA FRENCH |
| 25 | Joseph Daigle | 27 | SON | Shoe Worker | MASSACHUSETTS |
| 26 | Roland Daigle | 25 | SON | Curb Setter | MASSACHUSETTS |
| 27 | Marion Daigle | 23 | DAUGHTER | — | NEW HAMPSHIRE |
| 28 | Robert R. Rochelle | 30 | HEAD | Shoe Worker | NEW HAMPSHIRE |
| 29 | Germain Rochelle | 26 | WIFE | — | CANADA FRENCH |
| 30 | Robert Jr. Rochelle | 2 | SON | — | MASSACHUSETTS |
| 31 | Simon J. Upter | 49 | HEAD | Station Operator | CANADA FRENCH |
| 32 | Celia M Upter | 41 | WIFE | — | NEW HAMPSHIRE |
| 33 | Dianna M Upter | 5 | DAUGHTER | — | MASSACHUSETTS |
| 34 | Evangeline Gagnon | 77 | MOTHER | — | CANADA FRENCH |
| 35 | Edward S Brown | 57 | HEAD | Civil Engineer | MASSACHUSETTS |
| 36 | Elizabeth Brown | 55 | WIFE | — | CANADA ENGLISH |
| 37 | Maud Sprague | 50 | LODGER | — | MASSACHUSETTS |
| 38 | Allan Brown | 26 | SON | Painter House | ARIZONA |
| 39 | Robert Brown | 20 | SON | New Worker | MASSACHUSETTS |
| 40 | Extra Line Brown | 20 | SON | — | MASSACHUSETTS |
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)