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Julia Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Julia Sullivan across the 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 10-person household.
Age 50
b. ~1890
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Sullivan |
| Given Name | Julia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Julia | Age | Birth yr |
|---|---|---|---|---|
| Robert Sullivan | Son | — | 12 | ~1928 |
| Anna Sullivan | Daughter | — | 18 | ~1922 |
| Julia Sullivan | Spouse | — | 50 | ~1890 |
| Theresa Sullivan | Daughter | — | 6 | ~1934 |
| Joseph Sullivan | Son | — | 24 | ~1916 |
| Daniel Sullivan | Son | — | 20 | ~1920 |
| Cornelius Sullivan | Head | — | 47 | ~1893 |
| Margaret Sullivan | Daughter | — | 22 | ~1918 |
| John Sullivan | Son | — | 15 | ~1925 |
| Claire Sullivan | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Suffolk, Massachusetts
Spouse, age 40
Suffolk, Massachusetts · implied b. ~1890 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Julia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 27 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Spouse, age 50
Suffolk-County, Massachusetts · implied b. ~1890 — 10 household members
| Surname | Sullivan |
| Given Name | Julia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Julia Sullivan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Julia Sullivan
Spouse · 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-t0627-01682-00248)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Jr. Kilman | 23 | Son-in-law | News Dealer | New York |
| 42 | Mary B. Kilman | 24 | Daughter | — | Massachusetts |
| 43 | Phyllis A. Kilman | 1 | Granddaughter | — | Massachusetts |
| 44 | Catherine Foley | 69 | Head | — | Irish Free State |
| 45 | Frederick Thompson | 72 | Head | — | Massachusetts |
| 46 | Hannah Thompson | 61 | Wife | — | Connecticut |
| 47 | Fred Cahaly | 36 | Head | Proprietor | Syria |
| 48 | Madeline Cahaly | 22 | Wife | — | Massachusetts |
| 49 | Carolyn Cahaly | 12 | Daughter | — | Massachusetts |
| 50 | James J. Sweeney | 61 | Head | Plumber | Massachusetts |
| 51 | Rose H. Sweeney | 58 | Wife | — | Massachusetts |
| 52 | Edward H. Sweeney | 31 | Son | Machine Operator | Massachusetts |
| 53 | Anne Mccarrun | 70 | Sister-in-law | — | Massachusetts |
| 54 | Daniel J. Steele | 60 | Head | House Trainer | Canada-English |
| 55 | Verna Steele | 50 | Wife | — | Canada-English |
| 56 | Victor Steele | 24 | Son | Salesman | Canada-English |
| 57 | Ralph Steele | 28 | Son | House Trainer | Canada-English |
| 58 | Tisy Steele | 24 | Daughter-in-law | — | Canada-English |
| 59 | Robert Steele | 4 | Grandson | — | Massachusetts |
| 60 | Walter M. Hibbard | 48 | Head | Machinist | Massachusetts |
| 61 | Mary Hibbard | 45 | Wife | — | Massachusetts |
| 62 | Dorothy Hibbard | 19 | Daughter | Houseworker | Massachusetts |
| 63 | Theresa Hibbard | 13 | Daughter | — | Massachusetts |
| 64 | Walter E. Hibbard | 10 | Son | — | Massachusetts |
| 65 | Victoria Woloski | 72 | Mother-in-law | — | Poland |
| 66 | Nellie Nadeau | 40 | Sister-in-law | Stitcher | Massachusetts |
| 67 | Charles C. Lamb | 55 | Head | Mechanic | Ohio |
| 68 | Ruth M. Lamb | 49 | Wife | — | Maine |
| 69 | Dwight Benner | 30 | Brother-in-law | Truck Driver | Maine |
| 70 | Michael Finn | 50 | Head | Watchman | Irish Free State |
| 71 | Cornelius Sullivan | 47 | Head | Car Operator | Massachusetts |
| 72 | Julia Sullivan THIS PERSON | 50 | Wife | — | Massachusetts |
| 73 | Joseph Sullivan | 24 | Son | Elevator Operator | Massachusetts |
| 74 | Margaret M. Sullivan | 22 | Daughter | File Clerk | Massachusetts |
| 75 | Daniel G. Sullivan | 20 | Son | Laborer | Massachusetts |
| 76 | Anna Marie Sullivan | 18 | Daughter | Salesgirl | Massachusetts |
| 77 | Claire L. Sullivan | 16 | Daughter | — | Massachusetts |
| 78 | John Sullivan | 15 | Son | — | Massachusetts |
| 79 | Robert Sullivan | 12 | Son | — | Massachusetts |
| 80 | Theresa Sullivan | 6 | Daughter | — | Massachusetts |
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)