MS
Margaret Sullivan — 1930 US Census Record
Model Tree available1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Margaret Sullivan across the 1920, 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents Michael & Albert — first a daughter (b.~1909), then head of a 5-person household.
Age 21
b. ~1909
Female
Daughter
Born: Canada English
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Sullivan |
| Given Name | Margaret A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Canada English |
| Naturalization Status | Naturalized |
| Year of Immigration | 1918 |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Additional Details | |
| Occupation | Operator |
| Industry | Private P.B.X. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
| Occupation | Operator |
| Township / Ward | Boston City |
| Est. Birth Year | ~1909 |
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 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Sullivan | Daughter | — | 21 | ~1909 |
| Albert Sullivan | Head | — | 54 | ~1876 |
| John Rudesfer | Other | — | 74 | ~1856 |
| Mary Flemming | Other | — | 68 | ~1862 |
| Rose Sullivan | Spouse | — | 50 | ~1880 |
Census Appearances
1920
Newport, Rhode …
Daughter, age 11
Newport, Rhode Island · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Canada English |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
1930
Suffolk, Massachusetts
Daughter, age 21
Suffolk, Massachusetts · implied b. ~1909 — 5 household members
| Surname | Sullivan |
| Given Name | Margaret A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Canada English |
| Naturalization Status | Naturalized |
| Year of Immigration | 1918 |
| Father's Birthplace | Canada English |
| Mother's Birthplace | Canada English |
| Occupation | Operator |
| Industry | Private P.B.X. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
1940
Suffolk-County, Massachusetts
Head, age 31
Suffolk-County, Massachusetts · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Canada English |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Naturalization Status | Naturalized |
| Occupation | soliter |
| Industry | ships |
| Class of Worker | PW |
| Hours Worked | 66 |
| Income (1939) | 452 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth Country | Canada |
| Birthplace (normalized) | canada english |
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 Margaret Sullivan across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Michael Sullivan (~0.92 confidence) and father Albert Sullivan (~0.92 confidence) and mother Catherine Sullivan (~0.92 confidence) and mother Rose Sullivan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Sullivan
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Albert Sullivan
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Catherine Sullivan
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Rose Sullivan
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Sullivan
Daughter · 1930 · age 21 · b. ~1909 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel954:0470)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary G. Nissen | 55 | Head | — | Irish Free State |
| 52 | Katherine E. Nissen | 34 | Daughter | — | Massachusetts |
| 53 | Lawrence J. Nissen | 32 | Son | Maintainer | Massachusetts |
| 54 | Marie E. Nissen | 29 | Daughter | Bookkeeper | Massachusetts |
| 55 | Kenneth J. Harrington | 39 | Head | Salesman | Massachusetts |
| 56 | Marion V. Harrington | 39 | Wife | — | Massachusetts |
| 57 | Lorraine Harrington | 17 | Daughter | — | Massachusetts |
| 58 | Kenneth J. Jr. Harrington | 14 | Son | — | Massachusetts |
| 59 | Peter M. Hendrick | 65 | Head | Fireman | Irish Free State |
| 60 | John J. Gorman | 66 | Head | Surveyor | Massachusetts |
| 61 | Bridget A. Gorman | 64 | Wife | — | Irish Free State |
| 62 | Frederick J. Gorman | 25 | Son | Surveyor | Massachusetts |
| 63 | Clarence J. Howard | 36 | Head | Laundry | Massachusetts |
| 64 | Marie A. Howard | 36 | Wife | — | Massachusetts |
| 65 | Alfred H. Gorman | 30 | Head | Police | Massachusetts |
| 66 | Margaret N. Gorman | 25 | Wife | — | Massachusetts |
| 67 | David J. Murphy | 53 | Head | Chef | Canada English |
| 68 | Annie M. Murphy | 43 | Wife | — | Massachusetts |
| 69 | Albert Sullivan | 54 | Head | Lineman | Canada English |
| 70 | Rose M. Sullivan | 50 | Wife | — | Canada English |
| 71 | Margaret A. Sullivan THIS PERSON | 21 | Daughter | Operator | Canada English |
| 72 | Mary A. Flemming | 68 | Lodger | — | Massachusetts |
| 73 | John J. Rudesfer | 74 | Lodger | Furniture | Maine |
| 74 | Charles N. Stearns | 62 | Head | Salesman Jewelry | Maine |
| 75 | Mabel M. Stearns | 68 | Wife | — | Massachusetts |
| 76 | Gertrude Arill | 70 | Sister in law | — | Massachusetts |
| 77 | Stephen E. Winslow | 73 | Lodger | Clerk | Maine |
| 78 | Clement F. Marshall | 61 | Head | Barber | Portugal |
| 79 | Dora Marshall | 55 | Wife | — | Portugal |
| 80 | Clement J. Marshall | 25 | Son | Cutter | Massachusetts |
| 81 | Thomas J. Marshall | 22 | Son | Sorter | Massachusetts |
| 82 | Carl E. Nissen | 33 | Son in law | Cook | Massachusetts |
| 83 | Gladys G. Nissen | 27 | Daughter | — | Massachusetts |
| 84 | Rose E. Marshall | 20 | Daughter | Salesgirl | Massachusetts |
| 85 | Grace M. Marshall | 15 | Daughter | — | Massachusetts |
| 86 | Alice E. Marshall | 12 | Daughter | — | Massachusetts |
| 87 | Clement Marshall | 4 | Grand son | — | Massachusetts |
| 88 | Charles Bourque | 22 | Lodger | — | Massachusetts |
| 89 | Lawrence Corbett | 22 | Lodger | — | Massachusetts |
| 90 | William Corbett | 17 | Lodger | — | Massachusetts |
| 91 | Charles A. Uebelm | 72 | Head | Janitor | Massachusetts |
| 92 | Lizzie B. Uebelm | 73 | Wife | — | Massachusetts |
| 93 | George J. Selwyn | 31 | Head | Copyist | Massachusetts |
| 94 | Genella Selwyn | 31 | Wife | — | Maine |
| 95 | Judah E. Billows | 58 | Head | Salesman | Vermont |
| 96 | Mae Billows | 57 | Wife | — | Massachusetts |
| 97 | George F. Harding | 70 | Head | Manager | Massachusetts |
| 98 | Jessie N. Harding | 62 | Wife | — | Massachusetts |
| 99 | Mary W. Turner | 24 | Servant | Servant | Irish Free State |
| 100 | Thomas J. Anderson | 64 | Head | Secretary | Canada English |
Pedigree Summary
Margaret
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 1930 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)