KS
Katherine Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Katherine Sullivan across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Daniel & Patrick — first a spouse (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Spouse
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | N.Y.C. |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | no |
| Industry | no |
| Class of Worker | no |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Nyc |
| Est. Birth Year | ~1919 |
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 Katherine | Age | Birth yr |
|---|---|---|---|---|
| Ira Sullivan | Head | — | 24 | ~1916 |
| Caroline Sullivan | Daughter | — | 2 | ~1938 |
| George Sullivan | Son | — | 3 | ~1937 |
| Katherine Sullivan | Spouse | — | 21 | ~1919 |
Census Appearances
1920
New York, …
Daughter, age
New York, New York · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Kathleen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
New York, …
Daughter, age 10
New York, New York · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | School |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Spouse, age 21
Kings-County, New York · implied b. ~1919 — 4 household members
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | N.Y.C. |
| 1935 Residence (County) | Kings |
| Occupation | no |
| Industry | no |
| Class of Worker | no |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Sullivan (~0.92 confidence) and father Patrick Sullivan (~0.92 confidence) and mother Doris 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
Daniel Sullivan
b. ~1900
Source father
● Household
· direct · ~0.92
Father
Patrick Sullivan
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Doris Sullivan
b. ~1905
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Katherine Sullivan
Spouse · 1940 · age 21 · b. ~1919 · New York
★ 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 — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02607-00837)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joseph Bracconi | 60 | Head | No | Italy |
| 42 | Marie Bracconi | 56 | Wife | No | Italy |
| 43 | Antony Bracconi | 35 | Son | No | New York |
| 44 | Sol Toto | 42 | Son-in-law | Carpenter | Italy |
| 45 | Frances Toto | 26 | Daughter | Operator | New York |
| 46 | Vito Coppola | 49 | Head | Presser | Italy |
| 47 | Rose Coppola | 45 | Wife | No | Italy |
| 48 | Rose Coppola | 21 | Daughter | Operator | New York |
| 49 | Stella Coppola | 19 | Daughter | No | New York |
| 50 | Sol Zuckerman | 63 | Head | Proprietor | Russia |
| 51 | Ella Zuckerman | 60 | Wife | No | Russia |
| 52 | Joseph Zuckerman | 33 | Son | New Yorker | New York |
| 53 | Frank Sgroi | 50 | Head | Grocer | Italy |
| 54 | Mamie Sgroi | 47 | Wife | No | Italy |
| 55 | Frances Sgroi | 24 | Daughter | Floor Girl | New York |
| 56 | Frank Sgroi | 23 | Son | Operator | New York |
| 57 | Victor Sgroi | 21 | Son | No | New York |
| 58 | Rose Sgroi | 20 | Daughter | No | New York |
| 59 | Angelina Sgroi | 14 | Daughter | No | New York |
| 60 | Frank Jerrica | 22 | Son-in-law | Floor Boy | New York |
| 61 | Stella Jerrica | 22 | Daughter | No | New York |
| 62 | Fred Thompson | 38 | Head | Laborer | Virginia |
| 63 | Pearl Thompson | 38 | Wife | No | North Carolina |
| 64 | Fred Jr. Thompson | 7 | Son | No | New York |
| 65 | Elizabeth Thompson | 3 | Daughter | No | New York |
| 66 | James Bennett | 33 | Head | Salesman | New York |
| 67 | Marie Bennett | 30 | Wife | No | New York |
| 68 | Dick Bennett | 3 | Son | No | New York |
| 69 | Kathleen Bennett | 2 | Daughter | No | New York |
| 70 | Joseph Barrett | 60 | Father | No | Virginia |
| 71 | Pearl Barrett | 55 | Mother | No | Virginia |
| 72 | — | None | — | — | — |
| 73 | William Baker | 72 | Head | No | New York |
| 74 | Ira Sullivan | 24 | Head | Packer | New York |
| 75 | Katherine Sullivan THIS PERSON | 21 | Wife | No | New York |
| 76 | George Sullivan | 3 | Son | No | New York |
| 77 | Caroline Sullivan | 2 | Daughter | No | New York |
| 78 | Richard Hyland | 36 | Head | No | New York |
| 79 | Helen Hyland | 35 | Wife | No | New York |
| 80 | Norma Hyland | 14 | Daughter | No | New York |
Pedigree Summary
Katherine
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)