MB
Mary Buck — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Buck across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 18-person household.
Age 15
b. ~1915
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Buck |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston City |
| Est. Birth Year | ~1915 |
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.
18 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Smith | Other | — | 46 | ~1884 |
| Charles Rowland | Other | — | 28 | ~1902 |
| William Nagle | Other | — | 46 | ~1884 |
| George Buck | Son | — | 10 | ~1920 |
| John Mccarthy | Other | — | 42 | ~1888 |
| Frederick Buck | Head | — | 50 | ~1880 |
| Edward Oladnov | Other | — | 32 | ~1898 |
| Charles Zizes | Other | — | 32 | ~1898 |
| Harry Phillips | Other | — | 21 | ~1909 |
| Richard Buck | Daughter | — | 10 | ~1920 |
| Mary Buck | Daughter | — | 15 | ~1915 |
| Frederick Buck | Son | — | 13 | ~1917 |
| Mabel Oladnov | Other | — | 27 | ~1903 |
| Nanette Lyons | Other | — | 36 | ~1894 |
| Emily Brug | Other | — | 25 | ~1905 |
| Anthony Rogers | Other | — | 28 | ~1902 |
| Annie Buck | Spouse | — | 45 | ~1885 |
| John Edwards | Other | — | 43 | ~1887 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 15
Suffolk, Massachusetts · implied b. ~1915 — 18 household members
| Surname | Buck |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | England |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 27
Suffolk-County, Massachusetts · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bock |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Sales girl |
| Industry | Department store |
| Class of Worker | PW |
| Hours Worked | 0 |
| 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 Mary Buck across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Buck
Daughter · 1930 · age 15 · b. ~1915 · Massachusetts
★ You are viewing this record
Sibling
Richard Buck
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Buck
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Buck
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
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:massachusettscensus00reel948:0644)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James Sullivan | 58 | Lodger | — | U S |
| 52 | Frederick Buck | 50 | Head | Waiter | England |
| 53 | Annie Buck | 45 | Wife | — | Ireland |
| 54 | Mary Buck THIS PERSON | 15 | Daughter | — | Massachusetts |
| 55 | Frederick Buck | 13 | Son | — | Massachusetts |
| 56 | Richard Buck | 10 | Daughter | — | Massachusetts |
| 57 | George Buck | 10 | Son | — | Massachusetts |
| 58 | William Nagle | 46 | Brother-in-law | Printer | Ireland |
| 59 | Edward Oladnov | 32 | Lodger | Chauffeur | Massachusetts |
| 60 | Mabel Oladnov | 27 | Lodger | Waitress | Rhode Island |
| 61 | John Smith | 46 | Lodger | Electrician | Massachusetts |
| 62 | John Mccarthy | 42 | Lodger | Steam Fitter Helper | Massachusetts |
| 63 | Charles Zizes | 32 | Lodger | Baker | Greece |
| 64 | Charles Rowland | 28 | Lodger | Presser | Maine |
| 65 | Harry Phillips | 21 | Lodger | Cook | Michigan |
| 66 | Anthony Rogers | 28 | Lodger | Cook | Portugal |
| 67 | John Edwards | 43 | Lodger | Gasfitter | Massachusetts |
| 68 | Nanette Lyons | 36 | Lodger | Clerk | Massachusetts |
| 69 | Emily Brug | 25 | Lodger | Domestic | United States |
| 70 | Daniel Frankel | 34 | Head | Cook | Poland |
| 71 | Annie Frankel | 38 | Wife | — | Poland |
| 72 | Lena Whitman | 17 | Daughter | — | Maine |
| 73 | Stanley Whitman | 20 | Son-in-law | Counterman | Massachusetts |
| 74 | George Poulos | 34 | Lodger | Baker | Greece |
| 75 | George Morinos | 32 | Lodger | Counterman | Greece |
| 76 | John Cormier | 50 | Lodger | Pressman | Massachusetts |
| 77 | Edward Quigley | 35 | Lodger | Laborer | Massachusetts |
| 78 | Agnes Kelley | 41 | Lodger | Clerk | Massachusetts |
| 79 | Louis Edwards | 55 | Head | Iron Worker | Norway |
| 80 | Mary Edwards | 57 | Wife | — | Canada-Eng |
| 81 | Elizabeth Ryan | 71 | Mother-in-law | — | Canada-Eng |
| 82 | Elizabeth Ryan | 46 | Sister-in-law | Cook | Canada-Eng |
| 83 | Hugh Gormley | 35 | Lodger | Chauffeur | Ireland |
| 84 | Annie Loffritz | 61 | Lodger | Seamstress | Massachusetts |
| 85 | Olive Edmonson | 45 | Lodger | Salesclerk | Canada-Eng |
| 86 | David Grinquist | 50 | Lodger | Machinist | Sweden |
| 87 | Isadore Johnson | 45 | Lodger | Piano Maker | Sweden |
| 88 | Jeremiah Monahan | 44 | Lodger | Electrician | Massachusetts |
| 89 | John Cooke | 49 | Lodger | Cook | England |
| 90 | Rose Cooke | 44 | Lodger | — | Ireland |
| 91 | Charles Morse | 51 | Head | Teacher | Massachusetts |
| 92 | Grace Morse | 50 | Wife | — | Massachusetts |
| 93 | Dorothy Horburn | 24 | Servant | Domestic | Canada-Eng |
| 94 | Hezekiah Gillespie | 57 | Head | Teacher | Canada-Eng |
| 95 | Minnie Gillespie | 47 | Wife | — | Vermont |
| 96 | Doris Gillespie | 22 | Daughter | — | Massachusetts |
| 97 | A. Glenn Balch | 42 | Lodger | Bank Clerk | Vermont |
| 98 | A. Grace Balch | 41 | Lodger | — | Canada-Eng |
| 99 | Norman Allan | 24 | Lodger | Auditor | Canada-Eng |
| 100 | Oscar Olsen | 46 | Lodger | Baker | Sweden |
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)