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 Patrick & Joseph — first a head (b.~1907), then head of a 7-person household.
Age 33
b. ~1907
Male
Head
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Cook |
| Industry | City Hospital Institution |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Cook |
| Township / Ward | Boston City |
| Est. Birth Year | ~1907 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Frances Sullivan | Daughter | — | 8 | ~1932 |
| Josephine Sullivan | Daughter | — | 11 | ~1929 |
| Mary Sullivan | Spouse | — | 37 | ~1903 |
| Infant Sullivan | Son | — | ~1940 | |
| Frank Sullivan | Head | — | 33 | ~1907 |
| Helen Ward | Other | — | 13 | ~1927 |
| Margaret Ward | Other | — | 15 | ~1925 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 13
Suffolk, Massachusetts · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 23
Suffolk, Massachusetts · implied b. ~1907 — 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 | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Age at First Marriage | W |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Operator |
| Industry | Edison Electric |
| Class of Worker | 7763 |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Head, age 33
Suffolk-County, Massachusetts · implied b. ~1907 — 7 household members
| Surname | Sullivan |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Cook |
| Industry | City Hospital Institution |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | No 6 |
| 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 Patrick Sullivan (~0.92 confidence) and father Joseph Sullivan (~0.92 confidence) and mother Margaret Sullivan (~0.92 confidence) and mother Margaret Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Sullivan
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Joseph Sullivan
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Margaret Sullivan
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Margaret Sullivan
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Sullivan
Head · 1940 · age 33 · b. ~1907 · Massachusetts
★ You are viewing this record
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
39 people indexed on this census page (nara:1940:m-t0627-01668-00028)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Catherine Carney | 5 | Daughter | — | Massachusetts |
| 2 | Cornelia Carney | 4 | Daughter | — | Massachusetts |
| 3 | Edward Carney | 2 | Daughter | — | Massachusetts |
| 4 | William Corey | 35 | Head | Truck Driver | Rhode Island |
| 5 | Lillian Corey | 28 | Wife | — | Massachusetts |
| 6 | Mary Corey | 9 | Daughter | — | Massachusetts |
| 7 | Richard Corey | 7 | Son | — | Massachusetts |
| 8 | Earnest Corey | 5 | Son | — | Massachusetts |
| 9 | Ruth Corey | 2 | Daughter | — | Massachusetts |
| 10 | Thomas C. Gatie | 53 | Head | Stone Cutter | Massachusetts |
| 11 | Irene Gatie | 37 | Wife | — | Massachusetts |
| 12 | Raymond Gatie | 14 | Son | — | Massachusetts |
| 13 | Jerry Gatie | 12 | Son | — | Massachusetts |
| 14 | Bernard Gatie | 10 | Son | — | Connecticut |
| 15 | John Gatie | 8 | Son | — | Connecticut |
| 16 | Luella Gatie | 6 | Daughter | — | Massachusetts |
| 17 | Lawrence Gatie | 1 | Son | — | Massachusetts |
| 18 | Albert Paquette | 36 | Head | Laborer | Maine |
| 19 | Harriett Paquette | 43 | Wife | — | Maine |
| 20 | Antoinette Paquette | 17 | Daughter | Maid | Maine |
| 21 | Gertude Paquette | 15 | Daughter | — | Massachusetts |
| 22 | — | None | — | — | — |
| 23 | — | None | — | — | — |
| 24 | — | None | — | — | — |
| 25 | — | None | — | — | — |
| 26 | Frank S. De Luca | 46 | Head | Truck Driver | Massachusetts |
| 27 | Margaret De Luca | 40 | Wife | — | Massachusetts |
| 28 | Nancy De Luca | 15 | Daughter | — | Massachusetts |
| 29 | Elizabeth De Luca | 13 | Daughter | — | Massachusetts |
| 30 | Frank Sullivan THIS PERSON | 33 | Head | Cook | Massachusetts |
| 31 | Mary Sullivan | 37 | Wife | — | Irish Free State |
| 32 | Margaret Ward | 15 | Step Daughter | — | Massachusetts |
| 33 | Helen Ward | 13 | Step Daughter | — | Massachusetts |
| 34 | Josephine Sullivan | 11 | Daughter | — | Massachusetts |
| 35 | Frances Sullivan | 8 | Daughter | — | Massachusetts |
| 36 | Infant Sullivan | 0 | Son | — | Massachusetts |
| 37 | Catherine Caldwell | 62 | Head | — | Massachusetts |
| 38 | Margaret Caldwell | 25 | Daughter | Inspector | Massachusetts |
| 39 | Rita Caldwell | 23 | Daughter | New Worker | Massachusetts |
Pedigree Summary
Frank
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)