MS
Michael Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Richmond-County, New York
Our Model Tree links this Michael Sullivan across the 1930 and 1940 US Censuses in Richmond-County, New York (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Richmond-County, New York |
| Surname | Sullivan |
| Given Name | Michael Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Richmond |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | New York City |
| Est. Birth Year | ~1930 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Michael | Age | Birth yr |
|---|---|---|---|---|
| Palma Sullivan | Daughter | — | 8 | ~1932 |
| Edith Sullivan | Daughter | — | 4 | ~1936 |
| Josephine Sullivan | Daughter | — | 16 | ~1924 |
| Angeline Sullivan | Daughter | — | 16 | ~1924 |
| Michael Sullivan | Head | — | 41 | ~1899 |
| Ralph Sullivan | Son | — | 18 | ~1922 |
| Anthony Sullivan | Son | — | 12 | ~1928 |
| Michael Sullivan | Son | — | 10 | ~1930 |
| Ann Sullivan | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Richmond, New …
Son, age
Richmond, New York · implied b. ~1930 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Michael Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New Jersey |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Richmond-County, New …
Son, age 10
Richmond-County, New York · implied b. ~1930 — 9 household members
| Surname | Sullivan |
| Given Name | Michael Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Richmond |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| 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 Michael Sullivan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Michael Sullivan
Son · 1940 · age 10 · b. ~1930 · New York
★ You are viewing this record
Sibling
Anthony Sullivan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Sullivan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Angeline Sullivan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Sullivan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Palma Sullivan
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Sullivan
Sibling · 1940 · 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
1940 US Federal Census — Richmond-County, New York
Open full size
1940 US Federal Census — Richmond-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02761-00668)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Michael Sullivan | 41 | Head | Chauffeur | New York |
| 42 | Ann Sullivan | 37 | Wife | — | New Jersey |
| 43 | Ralph Sullivan | 18 | Son | Messenger | New York |
| 44 | Angeline Sullivan | 16 | Daughter | — | New York |
| 45 | Josephine Sullivan | 16 | Daughter | Hem-Stitcher | New York |
| 46 | Anthony Sullivan | 12 | Son | — | New York |
| 47 | Michael Jr. Sullivan THIS PERSON | 10 | Son | — | New York |
| 48 | Palma Sullivan | 8 | Daughter | — | New York |
| 49 | Edith Ann Sullivan | 4 | Daughter | — | New York |
| 50 | Walter Jr. Tiger | 32 | Head | Caulker | New York |
| 51 | Grace Tiger | 20 | Wife | — | New York |
| 52 | Arline Tiger | 0 | Daughter | — | New York |
| 53 | Charles Endulin | 70 | Head | Weaver | Switzerland |
| 54 | Emma Endulin | 70 | Wife | — | Switzerland |
| 55 | Ellen O'Neill | 60 | Head | — | Irish Free State |
| 56 | Roy O'Neill | 32 | Son | Baker | New York |
| 57 | Lillian O'Neill | 26 | Daughter | Sales Clerk | New York |
| 58 | John Brennan | 63 | Head | Laborer | Irish Free State |
| 59 | Bridget Brennan | 63 | Wife | — | Irish Free State |
| 60 | Mary Brennan | 26 | Daughter | Clerk | New York |
| 61 | Catherine Brennan | 24 | Daughter | Sales Clerk | New York |
| 62 | Charles Laidlaw | 63 | Head | Mechanic | Canada English |
| 63 | Ida Laidlaw | 63 | Wife | — | Nevada |
| 64 | Helen Hale | 26 | Daughter | Clerk | New York |
| 65 | David Hale | 2 | Grandson | — | Pittsburgh |
| 66 | John O'Brien | 40 | Head | Plasterer | Irish Free State |
| 67 | Beatrice O'Brien | 34 | Wife | — | Irish Free State |
| 68 | John Jr. O'Brien | 9 | Son | — | New York |
| 69 | James O'Brien | 8 | Son | — | New York |
| 70 | Thomas O'Brien | 7 | Son | — | New York |
| 71 | William O'Brien | 6 | Son | — | New York |
| 72 | Mary O'Brien | 5 | Daughter | — | New York |
| 73 | Eileen O'Brien | 1 | Daughter | — | New York |
| 74 | Mary L. Cuddy | 76 | Head | — | New York |
| 75 | Arthur Harris | 57 | Head | Machinist | New York |
| 76 | Lillian E. Harris | 56 | Wife | — | New York |
| 77 | Emma M. Harris | 23 | Daughter | Typist | New York |
| 78 | Louise Siegenthaler | 54 | Sister in law | Book Keeper | New York |
| 79 | James W. Gloppe | 47 | Head | Mason | New York |
| 80 | Helen Gloppe | 45 | Wife | — | New York |
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)