RS
Robert Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Onondaga-County, New York
Our Model Tree links this Robert Sullivan across the 1930 and 1940 US Censuses in Onondaga-County, New York (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 13-person household.
Age 16
b. ~1924
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Onondaga-County, New York |
| Surname | Sullivan |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Baldwinsville Village |
| 1935 Residence (County) | Onondaga |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Baldwinsville Village |
| Est. Birth Year | ~1924 |
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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mary Sullivan | Daughter | — | 10 | ~1930 |
| Helen Sullivan | Daughter | — | 18 | ~1922 |
| Catherine Sullivan | Daughter | — | 2 | ~1938 |
| Patrick Sullivan | Head | — | 52 | ~1888 |
| John Sullivan | Son | — | 20 | ~1920 |
| Patrick Sullivan | Son | — | 22 | ~1918 |
| Edward Sullivan | Son | — | 8 | ~1932 |
| Francis Sullivan | Son | — | 4 | ~1936 |
| James Sullivan | Son | — | 14 | ~1926 |
| Joseph Sullivan | Son | — | 6 | ~1934 |
| William Sullivan | Son | — | 12 | ~1928 |
| Robert Sullivan | Son | — | 16 | ~1924 |
| Mary Sullivan | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Onondaga, New …
Son, age 5
Onondaga, New York · implied b. ~1925 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Onondaga-County, New …
Son, age 16
Onondaga-County, New York · implied b. ~1924 — 13 household members
| Surname | Sullivan |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Baldwinsville Village |
| 1935 Residence (County) | Onondaga |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 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 Robert Sullivan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Sullivan
Son · 1940 · age 16 · b. ~1924 · New York
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Sibling
William Sullivan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Sullivan
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Sullivan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Sullivan
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Sullivan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Sullivan
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Sullivan
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sullivan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sullivan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Sullivan
Sibling · 1940 · age 6
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 — Onondaga-County, New York
Open full size
1940 US Federal Census — Onondaga-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02704-00427)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Higgins | 45 | Head | Laborer | New York |
| 42 | Mary Higgins | 43 | Wife | — | New York |
| 43 | John Jr. Higgins | 18 | Son | Laborer | New York |
| 44 | Robert Higgins | 16 | Son | — | New York |
| 45 | William Higgins | 14 | Son | — | New York |
| 46 | James Higgins | 12 | Son | — | New York |
| 47 | Richard Higgins | 10 | Son | — | New York |
| 48 | Thomas Higgins | 8 | Son | — | New York |
| 49 | Edward Higgins | 6 | Son | — | New York |
| 50 | Mary Higgins | 4 | Daughter | — | New York |
| 51 | Joseph Higgins | 2 | Son | — | New York |
| 52 | Francis Higgins | 1 | Son | — | New York |
| 53 | Catherine Higgins | 0 | Daughter | — | New York |
| 54 | Margaret Higgins | 72 | Mother | — | New York |
| 55 | Thomas Lynch | 48 | Head | Laborer | New York |
| 56 | Anna Lynch | 46 | Wife | — | New York |
| 57 | Thomas Jr. Lynch | 20 | Son | Laborer | New York |
| 58 | Helen Lynch | 18 | Daughter | Stenographer | New York |
| 59 | John Lynch | 16 | Son | — | New York |
| 60 | Robert Lynch | 14 | Son | — | New York |
| 61 | James Lynch | 12 | Son | — | New York |
| 62 | William Lynch | 10 | Son | — | New York |
| 63 | Mary Lynch | 8 | Daughter | — | New York |
| 64 | Edward Lynch | 6 | Son | — | New York |
| 65 | Joseph Lynch | 4 | Son | — | New York |
| 66 | Francis Lynch | 2 | Son | — | New York |
| 67 | Catherine Lynch | 1 | Daughter | — | New York |
| 68 | Patrick Sullivan | 52 | Head | Laborer | New York |
| 69 | Mary Sullivan | 50 | Wife | — | New York |
| 70 | Patrick Jr. Sullivan | 22 | Son | Laborer | New York |
| 71 | John Sullivan | 20 | Son | Laborer | New York |
| 72 | Helen Sullivan | 18 | Daughter | Stenographer | New York |
| 73 | Robert Sullivan THIS PERSON | 16 | Son | — | New York |
| 74 | James Sullivan | 14 | Son | — | New York |
| 75 | William Sullivan | 12 | Son | — | New York |
| 76 | Mary Sullivan | 10 | Daughter | — | New York |
| 77 | Edward Sullivan | 8 | Son | — | New York |
| 78 | Joseph Sullivan | 6 | Son | — | New York |
| 79 | Francis Sullivan | 4 | Son | — | New York |
| 80 | Catherine Sullivan | 2 | Daughter | — | New York |
Related Census Records
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)