WS
William Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Essex, New Jersey
Our Model Tree links this William Sullivan across the 1910, 1920 and 1930 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1909), then head of a 4-person household.
Age 21
b. ~1909
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, New Jersey |
| Surname | Sullivan |
| Given Name | William J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Additional Details | |
| Occupation | Clerk Assistant |
| Industry | Drug Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Clerk Assistant |
| Township / Ward | Belleville Town |
| 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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Sullivan | Head | — | 51 | ~1879 |
| Emily Sullivan | Other | — | 44 | ~1886 |
| William Sullivan | Son | — | 21 | ~1909 |
| John Sullivan | Son | — | 19 | ~1911 |
Census Appearances
1910
Essex, New …
Son, age 2
Essex, New Jersey · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Essex, New …
Son, age 11
Essex, New Jersey · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Son, age 21
Essex, New Jersey · implied b. ~1909 — 4 household members
| Surname | Sullivan |
| Given Name | William J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New York |
| Occupation | Clerk Assistant |
| Industry | Drug Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 William Sullivan across 3 US Census years (1910, 1920 and 1930) in Essex, New Jersey, using XGBoost record linkage. Identified parents: father William Sullivan (~0.92 confidence) and father William Sullivan (~0.92 confidence) and father William Sullivan (~0.92 confidence) and mother Emily Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Sullivan
b. ~1879
Source father
● Household
· direct · ~0.92
Father
William Sullivan
b. ~1874
Source father
● Household
· direct · ~0.92
Father
William Sullivan
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Emily Sullivan
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Sullivan
Son · 1930 · age 21 · b. ~1909 · New Jersey
★ You are viewing this record
Sibling
John Sullivan
Sibling · 1930 · age 19
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
1930 US Federal Census — Essex, New Jersey
Open full size
1930 US Federal Census — Essex, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1327:0700)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John J. Penn | 35 | Head | — | New Jersey |
| 52 | Loretta A. Penn | 11 | Daughter | — | New Jersey |
| 53 | Ernest J. Holland | 36 | Head | Dye Stamper | New Jersey |
| 54 | Mary A. Holland | 34 | Wife-H | — | New York |
| 55 | James J. Holland | 13 | Son | — | New Jersey |
| 56 | Grace F. Holland | 11 | Daughter | — | New Jersey |
| 57 | Marie J. Holland | 9 | Daughter | — | New Jersey |
| 58 | Joseph J. Holland | 5 | Son | — | New Jersey |
| 59 | Raymond J. Holland | 4 | Son | — | New Jersey |
| 60 | Rosemary J. Holland | 1 | Daughter | — | New Jersey |
| 61 | Edward Meeker | 23 | Head | Chauffeur | New Jersey |
| 62 | Theresa M. Meeker | 19 | Wife-H | — | Pennsylvania |
| 63 | Edward C. Meeker | 1 | Son | — | New Jersey |
| 64 | William J. Sullivan | 51 | Head | Police Sergeant | New Jersey |
| 65 | Emily Sullivan | 44 | Wife-H | — | New York |
| 66 | William J. Jr. Sullivan THIS PERSON | 21 | Son | Clerk Assistant | New Jersey |
| 67 | John J. Sullivan | 19 | Son | General Clerk | New Jersey |
| 68 | John A. Breeon | 64 | Head | Undertaker | New Jersey |
| 69 | Mary L. Breeon | 62 | Wife-H | — | New Jersey |
| 70 | Margaret D. Breeon | 48 | Maid | Maid | New Jersey |
| 71 | Joseph G. Breen | 47 | Head | Town Inspector | New Jersey |
| 72 | Winifred C. Breen | 47 | Wife-H | — | New Jersey |
| 73 | Joseph G. Breen | 19 | Son | General Clerk | New Jersey |
| 74 | John H. Breen | 18 | Son | File Clerk | New Jersey |
| 75 | Katherine R. Breen | 17 | Daughter | — | New Jersey |
| 76 | Edward A. Quigley | 65 | Brother-in-law | Machinist | New Jersey |
| 77 | Beatrice M. Quigley | 51 | Sister-in-law | — | New Jersey |
| 78 | Edward K. Casper | 34 | Head | Foreman | Penn. Germany |
| 79 | Anna Casper | 30 | Wife-H | — | New York |
| 80 | John J. Flynn | 36 | Head | Policeman | New Jersey |
| 81 | Mary G. Flynn | 34 | Wife-H | — | New York |
| 82 | Mary Flynn | 2 | Daughter | — | New Jersey |
| 83 | Kathleen Flynn | 0 | Daughter | — | New Jersey |
| 84 | William Travers | 34 | Head | Truck Driver | New York |
| 85 | Julia Travers | 29 | Wife-H | — | New York |
| 86 | William Jr. Travers | 12 | Son | — | New York |
| 87 | Anna Travers | 10 | Daughter | — | New York |
| 88 | James Travers | 4 | Son | — | New Jersey |
| 89 | Catherine Ward | 34 | Head | — | Pennsylvania |
| 90 | Catherine G. Ward | 15 | Daughter | — | New Jersey |
| 91 | Margaret F. Ward | 14 | Daughter | — | New Jersey |
| 92 | Helen H. Ward | 13 | Daughter | — | New Jersey |
| 93 | Phillip Ward | 11 | Son | — | New Jersey |
| 94 | Marion Ward | 9 | Daughter | — | New Jersey |
| 95 | Phillip D. Werd | 27 | Head | Foreman | Connecticut |
| 96 | George J. Werd | 4 | Son | — | Connecticut |
| 97 | Francis J. Werd | 3 | Son | — | New Jersey |
| 98 | Lester Martin | 32 | Son-in-law | Driver | New Jersey |
| 99 | Anna M. Martin | 35 | Daughter-H | — | Connecticut |
| 100 | Anna M. Martin | 5 | Daughter | — | New Jersey |
Pedigree Summary
William + 1 sibling
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 1930 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)