MC
Mary Cameron — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Cameron across the 1930 and 1940 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 8-person household.
Age 10
b. ~1920
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Cameron |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Northern Ireland |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Boston |
| Est. Birth Year | ~1920 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Barrett | Other | — | 28 | ~1902 |
| Helen Cameron | Daughter | — | ~1930 | |
| Joseph Cameron | Son | — | 8 | ~1922 |
| Thomas Cameron | Head | — | 42 | ~1888 |
| Thomas Cameron | Son | — | 3 | ~1927 |
| Anna Cameron | Daughter | — | 5 | ~1925 |
| Mary Cameron | Daughter | — | 10 | ~1920 |
| Mary Cameron | Spouse | — | 34 | ~1896 |
Census Appearances
1930
Suffolk, Massachusetts
Daughter, age 10
Suffolk, Massachusetts · implied b. ~1920 — 8 household members
| Surname | Cameron |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Northern Ireland |
| Mother's Birthplace | Northern Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 20
Middlesex-County, Massachusetts · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cameron |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | SOMERVILLE |
| 1935 Residence (County) | MIDDLESEX |
| Occupation | Bookkeeper |
| Industry | Jewelry Corp. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | H-4 |
| 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 Cameron across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cameron
Daughter · 1930 · age 10 · b. ~1920 · Massachusetts
★ You are viewing this record
Sibling
Thomas Cameron
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Cameron
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Cameron
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Cameron
Sibling · 1930 · age 8
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:massachusettscensus00reel950:0196)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Bridget Mcdermott | 52 | Head | — | Irish Free State |
| 52 | Peter J. Mcdermott | 29 | Son | Teacher | Massachusetts |
| 53 | Thomas L. Mcdermott | 22 | Son | Electrician | Massachusetts |
| 54 | Thomas G. Conary | 50 | Head | Conductor | Irish Free State |
| 55 | Bridget Conary | 48 | Wife | None | Irish Free State |
| 56 | John Conary | 22 | Son | None | Massachusetts |
| 57 | Owen O'Neil | 56 | Head | Tallonaker|Tallowaker | Canada English |
| 58 | Margerete O'Neil | 54 | Wife | None | Canada English |
| 59 | Clarence O'Neil | 29 | Son | Mechanic | Massachusetts |
| 60 | Margrete O'Neil | 24 | Daughter | Secretary | Massachusetts |
| 61 | Patrick Burns | 64 | Head | None | Irish Free State |
| 62 | Susan Burns | 58 | Wife | None | Irish Free State |
| 63 | Mary K. Burns | 23 | Daughter | Stenographer | Massachusetts |
| 64 | Frederick J. Lovett | 45 | Head | Car Inspector | Massachusetts |
| 65 | Sarah Lovett | 42 | Wife | None | Irish Free State |
| 66 | Mary Lovett | 15 | Daughter | None | Massachusetts |
| 67 | Frederick J. Lovett | 10 | Son | None | Massachusetts |
| 68 | Anna Lovett | 6 | Daughter | None | Massachusetts |
| 69 | Thomas Cameron | 42 | Head | Bookkeeper | Northern Ireland |
| 70 | Mary M. Cameron | 34 | Wife | None | Northern Ireland |
| 71 | Mary Cameron THIS PERSON | 10 | Daughter | None | Massachusetts |
| 72 | Joseph E. Cameron | 8 | Son | None | Massachusetts |
| 73 | Anna T. Cameron | 5 | Daughter | None | Massachusetts |
| 74 | Thomas F. Cameron | 3 | Son | None | Massachusetts |
| 75 | Helen Cameron | 0 | Daughter | None | Massachusetts |
| 76 | James A. Barrett | 28 | Lodger | Freight Handler | Irish Free State |
| 77 | John J. Keaney | 33 | Head | Deliveryman | Irish Free State |
| 78 | Bridget T. Keaney | 33 | Wife | None | Irish Free State |
| 79 | Mary Keaney | 4 | Daughter | None | Massachusetts |
| 80 | John J. Keaney | 2 | Son | None | Massachusetts |
| 81 | Patricia Keaney | 1 | Daughter | None | Massachusetts |
| 82 | William Mcdonald | 34 | Head | Mechanic | Massachusetts |
| 83 | Gertrude Mcdonald | 33 | Wife | None | Massachusetts |
| 84 | Mary Mcdonald | 8 | Daughter | None | Massachusetts |
| 85 | Gertrude Mcdonald | 4 | Daughter | None | Massachusetts |
| 86 | Francis Mcdonald | 1 | Son | None | Massachusetts |
| 87 | Catherine Mcdonald | 55 | Mother | None | Irish Free State |
| 88 | Peter Charleston | 25 | Lodger | Mechanic | Massachusetts |
| 89 | Arthur Mccarthy | 32 | Head | Mason | Massachusetts |
| 90 | Madeline G. Mccarthy | 24 | Wife | None | Maine |
| 91 | Arthur H. Mccarthy | 5 | Son | None | Massachusetts |
| 92 | Margarette Mccarthy | 4 | Daughter | None | Massachusetts |
| 93 | Martin Mccarthy | 2 | Son | None | Massachusetts |
| 94 | John J. Mccarthy | 40 | Brother | Mason | New York |
| 95 | Kenneth Morgan | 43 | Head | Conductor | Azores |
| 96 | Henrietta Morgan | 43 | Wife | None | Azores |
| 97 | Joseph Morgan | 21 | Son | Salesman | Massachusetts |
| 98 | Angeline Morgan | 18 | Daughter | Biscuit | Massachusetts |
| 99 | Anthony Morgan | 16 | Son | Messenger | Massachusetts |
| 100 | George Morgan | 15 | Son | None | Massachusetts |
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)