TS
Timothy Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Timothy Sullivan across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Elizabeth & Timothy — first a head (b.~1905), then head of a 6-person household.
Age 35
b. ~1905
Male
Head
Born: Mass
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Timothy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Mass |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Delivery Driver |
| Industry | Retail Dept. Store |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 432 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
| Occupation | Delivery Driver |
| Township / Ward | Boston |
| Est. Birth Year | ~1905 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Timothy | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Sullivan | Daughter | — | 6 | ~1934 |
| Pauline Sullivan | Daughter | — | 4 | ~1936 |
| Timothy Sullivan | Head | — | 35 | ~1905 |
| Paul Sullivan | Son | — | 7 | ~1933 |
| Richard Sullivan | Son | — | 8 | ~1932 |
| Mildred Sullivan | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 14
Suffolk, Massachusetts · implied b. ~1906 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Timothy |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Mass |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
1930
Suffolk, Massachusetts
Head, age 25
Suffolk, Massachusetts · implied b. ~1905 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Timothy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Mass |
| Age at First Marriage | 23 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Ireland |
| Occupation | Policeman |
| Industry | Boston |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40 |
| Radio Set | R |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
1940
Suffolk-County, Massachusetts
Head, age 35
Suffolk-County, Massachusetts · implied b. ~1905 — 6 household members
| Surname | Sullivan |
| Given Name | Timothy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Mass |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Delivery Driver |
| Industry | Retail Dept. Store |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 432 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | mass |
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 Timothy Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Elizabeth Sullivan (~0.92 confidence) and father Timothy Sullivan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Elizabeth Sullivan
b. ~1874
Source mother
● Household
· direct · ~0.92
Father
Timothy Sullivan
b. ~1878
Source father
● Household
· direct · ~0.92
This person
Anchor record
Timothy Sullivan
Head · 1940 · age 35 · b. ~1905 · 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
40 people indexed on this census page (nara:1940:m-t0627-01678-00409)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ernest Balod | 56 | Head | Carpenter | Latvia |
| 2 | Mildred M. Balod | 29 | Daughter | Housekeeper | Mass |
| 3 | Charles H. Lueth | 38 | Head | Salesman | Mass |
| 4 | Minnie A. Lueth | 41 | Wife | Housekeeper | Canada-Eng |
| 5 | Murdock N. Maclean | 39 | Brother-in-law | Ship Laster | Canada-Eng |
| 6 | Gaetano Rocca | 39 | Head | Laborer | Italy |
| 7 | Rose Rocca | 30 | Wife | Housekeeper | Mass |
| 8 | Cosmo Rocca | 11 | Son | — | Mass |
| 9 | Paul Rocca | 8 | Son | — | Mass |
| 10 | Regina Rocca | 3 | Daughter | — | Mass |
| 11 | William H. Short | 38 | Head | Chauffeur | Mass |
| 12 | Robertina F. Short | 34 | Wife | Housekeeper | Mass |
| 13 | Frances Short | 8 | Daughter | — | Mass |
| 14 | Robertina Short | 7 | Daughter | — | Mass |
| 15 | William H. Jr. Short | 3 | Son | — | Mass |
| 16 | Elizabeth A. Short | 1 | Daughter | — | Mass |
| 17 | Albert J. Flanagan | 58 | Head | Operator | Canada-Eng |
| 18 | Ellen G. Flanagan | 49 | Wife | Housekeeper | Canada-Eng |
| 19 | Mary G. Flanagan | 26 | Daughter | Clerk | Mass |
| 20 | Helen R. Flanagan | 23 | Daughter | Bookkeeper | Mass |
| 21 | Margaret M. Flanagan | 21 | Daughter | Student | Mass |
| 22 | Albert Noble | 23 | Nephew | Counterman | Canada-Eng |
| 23 | James M. Sawyer | 46 | Head | Surveyor | Maine |
| 24 | Sara M. Sawyer | 41 | Wife | Housekeeper | Canada-Eng |
| 25 | James R. Sawyer | 8 | Son | — | Mass |
| 26 | Timothy Sawyer | 7 | Son | — | Mass |
| 27 | Timothy Sullivan THIS PERSON | 35 | Head | Delivery Driver | Mass |
| 28 | Mildred Sullivan | 33 | Wife | — | Mass |
| 29 | Richard Sullivan | 8 | Son | — | Mass |
| 30 | Paul R. Sullivan | 7 | Son | — | Mass |
| 31 | Elizabeth Sullivan | 6 | Daughter | — | Mass |
| 32 | Pauline Sullivan | 4 | Daughter | — | Mass |
| 33 | John F. Burke | 39 | Head | Police Officer | Mass |
| 34 | Jessie E. Burke | 39 | Wife | Housekeeper | Canada-Eng |
| 35 | Dorothea Burke | 17 | Daughter | Student | Mass |
| 36 | Edward F. Harrington | 39 | Head | Police Officer | Mass |
| 37 | Marion Harrington | 39 | Wife | Housekeeper | Mass |
| 38 | Marion Alice Harrington | 18 | Daughter | Student | Mass |
| 39 | Ruth E. Harrington | 11 | Daughter | — | Mass |
| 40 | Edward F. Harrington | 9 | Son | — | Mass |
Pedigree Summary
Timothy
Gen 1 · 2 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)