TS
Timothy Sullivan — 1940 US Census Record
Linked across censuses1940 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) — first a head (b.~1890), then head of a 11-person household.
Age 50
b. ~1890
Male
Head
Born: Ireland
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 | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Night Watchman |
| Industry | Rest Home |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 608 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Night Watchman |
| Township / Ward | Boston City |
| Est. Birth Year | ~1890 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Timothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Sullivan | Daughter | — | 7 | ~1933 |
| Claire Sullivan | Daughter | — | 10 | ~1930 |
| Mildred Sullivan | Daughter | — | 12 | ~1928 |
| Mary Sullivan | Daughter | — | 16 | ~1924 |
| Evelyn Sullivan | Daughter | — | 14 | ~1926 |
| Timothy Sullivan | Head | — | 50 | ~1890 |
| James Sullivan | Son | — | 21 | ~1919 |
| John Sullivan | Son | — | 13 | ~1927 |
| Joseph Sullivan | Son | — | 18 | ~1922 |
| Timothy Sullivan | Son | — | 19 | ~1921 |
| Mary Sullivan | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Suffolk, Massachusetts
Head, age 29
Suffolk, Massachusetts · implied b. ~1891 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Timothy J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1912 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Suffolk, Massachusetts
Head, age 39
Suffolk, Massachusetts · implied b. ~1891 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Timothy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1911 |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Packer |
| Industry | Meat Packing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Suffolk-County, Massachusetts
Head, age 50
Suffolk-County, Massachusetts · implied b. ~1890 — 11 household members
| Surname | Sullivan |
| Given Name | Timothy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Occupation | Night Watchman |
| Industry | Rest Home |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 608 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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.
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This person
Anchor record
Timothy Sullivan
Head · 1940 · age 50 · b. ~1890 · Massachusetts
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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-t0627-01665-00424)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter Cantwell | 8 | Son | — | Massachusetts |
| 2 | Richard J. Cantwell | 6 | Son | — | Massachusetts |
| 3 | Barbara J. Cantwell | 4 | Daughter | — | Maine |
| 4 | Thomas J. Gammons | 65 | Father-in-law | — | Pennsylvania |
| 5 | Mitchell J. Gammons | 59 | Head | — | Maine |
| 6 | John J. Mcdonald | 41 | Head | Truck Driver | Maine |
| 7 | Elizabeth Mcdonald | 40 | Wife | Saleswoman | Maine |
| 8 | Dorothy B. Mcdonald | 13 | Daughter | — | Maine |
| 9 | Claire L. Mcdonald | 11 | Daughter | — | Maine |
| 10 | John J. Mcdonald | 8 | Son | — | Maine |
| 11 | Robert Mcdonald | 5 | Son | — | Maine |
| 12 | Helen B. Gifford | 52 | Lodger | — | Nova Scotia |
| 13 | Kazmier Petrechan | 45 | Head | Carpenter | Lithuania |
| 14 | Frances Petrechan | 39 | Wife | Saleswoman | Maine |
| 15 | Frances Petrechan | 15 | Daughter | — | Maine |
| 16 | Cecelia Petrechan | 12 | Daughter | — | Maine |
| 17 | Phyllis Petrechan | 5 | Daughter | — | Maine |
| 18 | Annie J. Kearns | 64 | Head | — | Maine |
| 19 | Barbara Znoton | 56 | Head | — | Lithuania |
| 20 | Theodora Znoton | 31 | Son | Radio Operator | Maine |
| 21 | Bridget Everard | 63 | Head | — | Ireland |
| 22 | George A. Everard | 24 | Son | — | Maine |
| 23 | Margaret Everard | 20 | Daughter | Salesgirl | Maine |
| 24 | Elmer Mccauley | 27 | Son-in-law | Clerk | Maine |
| 25 | Agnes Mccauley | 25 | Daughter | — | Maine |
| 26 | Timothy Sullivan THIS PERSON | 50 | Head | Night Watchman | Ireland |
| 27 | Mary E. Sullivan | 48 | Wife | — | Missouri |
| 28 | James Sullivan | 21 | Son | Laborer | Maine |
| 29 | Timothy Sullivan | 19 | Son | Machinist | Maine |
| 30 | Joseph Sullivan | 18 | Son | New Worker | Maine |
| 31 | Mary Sullivan | 16 | Daughter | — | Maine |
| 32 | Evelyn Sullivan | 14 | Daughter | — | Maine |
| 33 | John Sullivan | 13 | Son | — | Maine |
| 34 | Mildred Sullivan | 12 | Daughter | — | Maine |
| 35 | Claire Sullivan | 10 | Daughter | — | Maine |
| 36 | Dorothy Sullivan | 7 | Daughter | — | Maine |
| 37 | Joseph M. Mcgirr | 46 | Head | General Clerk | Maine |
| 38 | Minnie X. Mcgirr | 46 | Wife | — | Maine |
| 39 | Joseph Mcgirr | 18 | Son | Usher | Maine |
| 40 | Donald Mcgirr | 17 | Son | New Worker | Maine |
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)