FS
Frank Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Frank Sullivan across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Michael & Annie — first a son (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Painter |
| Industry | Shipbuilding |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1144 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Painter |
| Township / Ward | Boston |
| Est. Birth Year | ~1914 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Sounie Sullivan | Daughter | — | 28 | ~1912 |
| Henry Sullivan | Son | — | 23 | ~1917 |
| Frank Sullivan | Son | — | 26 | ~1914 |
| Helena Sullivan | Daughter | — | 25 | ~1915 |
| Annie Sullivan | Head | — | 59 | ~1881 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 5
Suffolk, Massachusetts · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 15
Suffolk, Massachusetts · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 26
Suffolk-County, Massachusetts · implied b. ~1914 — 5 household members
| Surname | Sullivan |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Painter |
| Industry | Shipbuilding |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1144 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Frank Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Sullivan (~0.92 confidence) and mother Annie Sullivan (~0.92 confidence) and father Michael Sullivan (~0.92 confidence) and mother Theresa Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Sullivan
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Annie Sullivan
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Michael Sullivan
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Theresa Sullivan
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Sullivan
Son · 1940 · age 26 · b. ~1914 · Massachusetts
★ You are viewing this record
Sibling
Sounie Sullivan
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Sullivan
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helena Sullivan
Sibling · 1940 · age 25
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01676-00237)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Garey, Virginia Garey | 12 | Daughter | — | Massachusetts |
| 42 | Garey, Anna Garey | 5 | Daughter | — | Massachusetts |
| 43 | George Morris | 60 | Head | Teacher | Massachusetts |
| 44 | Nellie R. Morris | 59 | Wife | — | New Hampshire |
| 45 | Maria A. Prentice | 89 | Mother-in-law | — | Massachusetts |
| 46 | Lilla Prentice | 66 | Sister-in-law | — | New Hampshire |
| 47 | Fannie Prentice | 64 | Sister-in-law | — | New Hampshire |
| 48 | John F. Mchugh | 44 | Head | — | Massachusetts |
| 49 | Justine Mchugh | 38 | Wife | Collector | Massachusetts |
| 50 | John J. Mchugh | 11 | Son | — | Massachusetts |
| 51 | Marie Mchugh | 8 | Daughter | — | Massachusetts |
| 52 | Rose Spolidoro | 61 | Aunt | Seamstress | Italy |
| 53 | Angelina Spolidoro | 51 | Aunt | — | Massachusetts |
| 54 | John Stone | 39 | Head | Draughtsman | Massachusetts |
| 55 | Henry Stone | 28 | Brother | Draughtsman | Massachusetts |
| 56 | Margaret P. Droney | 24 | Cousin | — | Connecticut |
| 57 | Annie Droney | 12 | Cousin | — | Connecticut |
| 58 | Mary Droney | 9 | Cousin | — | Connecticut |
| 59 | Annie S. Sullivan | 59 | Head | — | Eire |
| 60 | Sounie P. Sullivan | 28 | Daughter | — | Massachusetts |
| 61 | Frank Sullivan THIS PERSON | 26 | Son | Painter | Massachusetts |
| 62 | Helena Sullivan | 25 | Daughter | Typist | Massachusetts |
| 63 | Henry Sullivan | 23 | Son | New Worker | Massachusetts |
| 64 | John W. O'Connell | 32 | Head | Bartender | Massachusetts |
| 65 | Florence O'Connell | 30 | Wife | — | Massachusetts |
| 66 | John O'Connell | 5 | Son | — | Massachusetts |
| 67 | James O'Connell | 3 | Son | — | Massachusetts |
| 68 | Annie C. O'Connell | 73 | Mother | — | Massachusetts |
| 69 | Joseph A. Hennessy | 43 | Head | Supervising Teacher | Massachusetts |
| 70 | William Hennessy | 14 | Son | — | Massachusetts |
| 71 | Anne Hennessy | 12 | Daughter | — | Massachusetts |
| 72 | Mary Hennessy | 10 | Daughter | — | Massachusetts |
| 73 | Joseph Hennessy | 8 | Son | — | Massachusetts |
| 74 | Angela Hennessy | 5 | Daughter | — | Massachusetts |
| 75 | Cecelia R. O'Donnell | 43 | Servant | Housekeeper | Massachusetts |
| 76 | Etta Florence Lanphear | 73 | Head | — | Massachusetts |
| 77 | Etta Anna Lanphear | 59 | Sister | — | Massachusetts |
| 78 | Harriett E. Rose | 66 | Lodger | Secretary | Maine |
| 79 | Eva S. Lyman | 63 | Lodger | Stenographer | Maine |
| 80 | Walter Bramer | 32 | Lodger | Secretary | Massachusetts |
Pedigree Summary
Frank + 3 siblings
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)