KS
Katherine Sullivan — 1920 US Census Record
Model Tree available1920 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Katherine Sullivan across the 1910, 1920, 1930 and 1940 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed), with identified parents Dennis & James — first a daughter (b.~1909), then head of a 4-person household.
Age 11
b. ~1909
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, Massachusetts |
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Salem City |
| Est. Birth Year | ~1909 |
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 1920 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| Katherine Sullivan | Daughter | — | 11 | ~1909 |
| James Sullivan | Head | — | 44 | ~1876 |
| Arthur Sullivan | Son | — | 4 | ~1916 |
| Annie Sullivan | Spouse | — | 40 | ~1880 |
Census Appearances
1910
Essex, Massachusetts
Daughter, age 1
Essex, Massachusetts · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ire Irish |
| Mother's Birthplace | Ire Irish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Daughter, age 11
Essex, Massachusetts · implied b. ~1909 — 4 household members
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| 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
Essex, Massachusetts
Daughter, age 22
Essex, Massachusetts · implied b. ~1908 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Kathryn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Tele Operator |
| Industry | Tele Exchange |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Daughter, age 31
Essex-County, Massachusetts · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Kathryn G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Saugus Town |
| 1935 Residence (County) | Essex |
| Occupation | Telephone Operator |
| Industry | Public Utilities |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| 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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Dennis Sullivan (~0.92 confidence) and father James Sullivan (~0.92 confidence) and father James Sullivan (~0.92 confidence) and father James Sullivan (~0.92 confidence) and mother Annie Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence) and mother Nellie Sullivan (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Dennis Sullivan
b. ~1880
Source father
● Household
· direct · ~0.92
Father
James Sullivan
b. ~1881
Source father
● Household
· direct · ~0.92
Father
James Sullivan
b. ~1882
Source father
● Household
· direct · ~0.92
Father
James Sullivan
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Annie Sullivan
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Nellie Sullivan
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Katherine Sullivan
Daughter · 1920 · age 11 · b. ~1909 · Massachusetts
★ You are viewing this record
Sibling
Arthur Sullivan
Sibling · 1920 · age 4
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
1920 US Federal Census — Essex, Massachusetts
Open full size
1920 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu697unit:0462)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary A. Henneberry | 37 | Daughter | Ironer | Massachusetts |
| 2 | Katherine Henneberry | 28 | Daughter | Shoe Worker | Massachusetts |
| 3 | James H. Grimes | 72 | Head | — | Ireland |
| 4 | Walter P. Grimes | 44 | Son | Cutter | Massachusetts |
| 5 | Sarah Medeiros | 14 | Boarder | — | Portugal |
| 6 | John Wymond | 65 | Head | Blacksmith | Massachusetts |
| 7 | Emma Wymond | 60 | Wife | — | Massachusetts |
| 8 | Grace Wymond | 9 | Granddaughter | — | Massachusetts |
| 9 | Harold Wymond | 4 | Boarder | — | Massachusetts |
| 10 | Maria Weeks | 1 | Boarder | — | Massachusetts |
| 11 | Edward F. O'Brien | 36 | Head | Tanner | Massachusetts |
| 12 | Alice M. O'Brien | 34 | Wife | — | Massachusetts |
| 13 | Willard B. Porter | 48 | Head | Editor | Massachusetts |
| 14 | Mary H. Porter | 48 | Wife | — | Massachusetts |
| 15 | Arthur B. Porter | 24 | Son | Accountant | Massachusetts |
| 16 | Harold H. Porter | 20 | Son | — | Massachusetts |
| 17 | Annie G. Mackenzie | 62 | Head | — | Massachusetts |
| 18 | George B. Mackenzie | 58 | Brother | Mason | Massachusetts |
| 19 | Caroline A. Mackenzie | 56 | Sister | — | Massachusetts |
| 20 | Margaret H. Mackenzie | 54 | Sister | — | Massachusetts |
| 21 | Lucy J. Stone | 47 | Head | Stitcher | Massachusetts |
| 22 | Mildred P. Stone | 22 | Daughter | Cashier | Massachusetts |
| 23 | Sophia Stone | 72 | Mother | — | Canada |
| 24 | Sarah Lodge | 75 | Aunt | — | Canada |
| 25 | Edward A. Martin | 53 | Boarder | Dresser | Massachusetts |
| 26 | Ann M. Layton | 79 | Head | — | England |
| 27 | Emily H. Layton | 45 | Daughter | Teacher | Massachusetts |
| 28 | Henry P. Arvedson | 71 | Head | Accountant | Massachusetts |
| 29 | Carrie B. Arvedson | 65 | Wife | — | Maine |
| 30 | Ulysses S. Millison | 54 | Head | Clergyman | Ohio |
| 31 | Alice D. Millison | 37 | Wife | — | Pennsylvania |
| 32 | Susan P. Southwick | 81 | Head | — | Massachusetts |
| 33 | Sarah E. Southwick | 74 | Sister | — | Massachusetts |
| 34 | Margaret A. Tobin | 66 | Head | — | Massachusetts |
| 35 | Ellen M. Tobin | 46 | Daughter | — | Massachusetts |
| 36 | Katherine F. Tobin | 34 | Daughter | Bookkeeper | Massachusetts |
| 37 | Josephine Tobin | 33 | Daughter | Stenographer | Massachusetts |
| 38 | Thomas H. Tobin | 31 | Son | Laborer | Massachusetts |
| 39 | Mary E. Watson | 61 | Head | Baiter | Massachusetts |
| 40 | Samuel G. Alcott | 61 | Boarder | Barber | Massachusetts |
| 41 | John F. Sweeney | 53 | Head | Beamster | Massachusetts |
| 42 | Julia A. Sweeney | 53 | Wife | — | Massachusetts |
| 43 | Genevieve Sweeney | 17 | Daughter | — | Massachusetts |
| 44 | Lillian F. Sweeney | 13 | Daughter | — | Massachusetts |
| 45 | Charles E. Melkins | 60 | Head | Salesman | Massachusetts |
| 46 | Henrietta D. Melkins | 57 | Wife | — | Massachusetts |
| 47 | James H. Sullivan | 44 | Head | Oiler | Massachusetts |
| 48 | Annie F. Sullivan | 40 | Wife | — | Massachusetts |
| 49 | Katherine Sullivan THIS PERSON | 11 | Daughter | — | Massachusetts |
| 50 | Arthur Sullivan | 4 | Son | — | Massachusetts |
Related Census Records
Pedigree Summary
Katherine + 1 sibling
Gen 1 · 7 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)