CS
Charles Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Nassau-County, New York
Our Model Tree links this Charles Sullivan across the 1920, 1930 and 1940 US Censuses in Nassau-County, New York (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Nassau-County, New York |
| Surname | Sullivan |
| Given Name | Charles Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Rockville Centre |
| 1935 Residence (County) | Nassau |
| Additional Details | |
| Occupation | Helper |
| Industry | Trucking Bus |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Helper |
| Township / Ward | Rockville Centre |
| Est. Birth Year | ~1916 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Margaret Sullivan | Daughter | — | 22 | ~1918 |
| Charles Sullivan | Head | — | 55 | ~1885 |
| Helen Montague | Other | — | 6 | ~1934 |
| Thomas Sullivan | Son | — | 17 | ~1923 |
| John Sullivan | Son | — | 20 | ~1920 |
| Charles Sullivan | Son | — | 24 | ~1916 |
| Mary Sullivan | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Nassau, New …
Son, age 3
Nassau, New York · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Charles J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| 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 |
1930
Nassau, New …
Son, age 14
Nassau, New York · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Charles Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Nassau-County, New …
Son, age 24
Nassau-County, New York · implied b. ~1916 — 7 household members
| Surname | Sullivan |
| Given Name | Charles Jr. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Rockville Centre |
| 1935 Residence (County) | Nassau |
| Occupation | Helper |
| Industry | Trucking Bus |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | H-4 |
| 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 Charles Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Sullivan (~0.92 confidence) and father Charles Sullivan (~0.92 confidence) and father Charles Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence) and mother Mary Sullivan (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Sullivan
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Charles Sullivan
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Charles Sullivan
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Mary Sullivan
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Charles Sullivan
Son · 1940 · age 24 · b. ~1916 · New York
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Sibling
Thomas Sullivan
Sibling · 1940 · age 17
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
Margaret Sullivan
Sibling · 1940 · age 22
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 — Nassau-County, New York
Open full size
1940 US Federal Census — Nassau-County, New York
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-02686-00811)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frances Chotein | 6 | daughter | — | Germany |
| 2 | Max Goldmann | 60 | father-in-law | Manufacturer | Germany |
| 3 | Hedwig Goldmann | 58 | mother-in-law | — | Germany |
| 4 | Walter Goldmann | 28 | brother-in-law | Office Worker | Germany |
| 5 | Robert Magans | 66 | Head | Carpenter & Bldr | New York |
| 6 | Susan B. Magans | 63 | wife | — | New York |
| 8 | Elizabeth B. Reed | 52 | Head | Teacher | New York |
| 9 | Ruth Reed | 80 | mother | — | New York |
| 10 | Mary Honans | 59 | Housekeeper | Housekeeper | New York |
| 11 | Andrew Smith | 51 | Head | Carpenter | New York |
| 12 | Delia O. Smith | 51 | wife | — | Irish Free State |
| 13 | Rita Smith | 25 | daughter | — | New York |
| 14 | Andrew Jr. Smith | 24 | son | Ticket Agent | New York |
| 15 | Mary Smith | 20 | daughter | — | New York |
| 16 | Charles J. Sullivan | 55 | Head | Electrician | New York |
| 17 | Mary Sullivan | 48 | wife | — | New York |
| 18 | Charles Jr. Sullivan THIS PERSON | 24 | son | Helper | New York |
| 19 | Margaret Sullivan | 22 | daughter | Stenographer | New York |
| 20 | John Sullivan | 20 | son | Helper | New York |
| 21 | Thomas Sullivan | 17 | son | — | New York |
| 22 | Helen Clu Montague | 6 | niece | — | New York |
| 23 | Floyd Watson | 48 | Head | Superintendent | New York |
| 24 | Grace Watson | 49 | wife | — | New York |
| 26 | Charles Hansen | 50 | Head | Painter-Dec. | Norway |
| 27 | Mary Hansen | 47 | wife | — | Denmark |
| 28 | Evelyn Hansen | 22 | daughter | — | Illinois |
| 29 | Guilford Hansen | 18 | son | Attendant | New York |
| 30 | Augustus W. Williams | 67 | Head | Real Estate | New York |
| 31 | Sophie Williams | 62 | wife | — | New Jersey |
| 32 | Robert L. Boggs | 37 | Head | Publicity Man | New York |
| 33 | Helen L. Boggs | 35 | wife | — | New York |
| 34 | Robert H. Boggs | 61 | Head | — | Bermuda |
| 35 | Jane H. Boggs | 60 | wife | — | Iowa |
| 36 | Arline Boggs | 27 | daughter | Clerk | Iowa |
| 37 | Beatrice Barnhart | 57 | sister-in-law | Teacher | Iowa |
| 40 | Ann Nibbs | 51 | Housekeeper | Housekeeper | Antigua |
Pedigree Summary
Charles + 3 siblings
Gen 1 · 6 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)