MF
Mary Fox — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Fox across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1892), then head of a 4-person household.
Age 38
b. ~1892
Female
Daughter
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Fox |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Teacher |
| Township / Ward | Marlborough City |
| Est. Birth Year | ~1892 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Fox | Daughter | — | 38 | ~1892 |
| John Fox | Head | — | 80 | ~1850 |
| Julia Fox | Other | — | 70 | ~1860 |
| John Fox | Son | — | 33 | ~1897 |
Census Appearances
1910
Middlesex, Massachusetts
Daughter, age 18
Middlesex, Massachusetts · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Daughter, age 28
Middlesex, Massachusetts · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Trimmer |
| Industry | Shoe Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 38
Middlesex, Massachusetts · implied b. ~1892 — 4 household members
| Surname | Fox |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Massachusetts |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Fox across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father John Fox (~0.92 confidence) and father John Fox (~0.92 confidence) and father John Fox (~0.92 confidence) and mother Julia Fox (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Fox
b. ~1850
Source father
● Household
· direct · ~0.92
Father
John Fox
b. ~1853
Source father
● Household
· direct · ~0.92
Father
John Fox
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Julia Fox
b. ~1861
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Fox
Daughter · 1930 · age 38 · b. ~1892 · Massachusetts
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Sibling
John Fox
Sibling · 1930 · age 33
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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel923:1006)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Severe Houde | 10 | Son | None | Massachusetts |
| 2 | Albert Houde | 7 | Son | None | Massachusetts |
| 3 | George Houde | 5 | Son | None | Massachusetts |
| 4 | Rose M. Houde | 4 | Daughter | None | Massachusetts |
| 5 | Bernadette L. Houde | 1 | Daughter | None | Massachusetts |
| 6 | Herbert J. Lucier | 39 | Head | Agent | Massachusetts |
| 7 | Laura M. Lucier | 29 | Wife-H | Matcher | Massachusetts |
| 8 | Francis G. Carlson | 11 | Step-son | None | Massachusetts |
| 9 | Antoine J. Messier | 67 | Head | Labourer | Canada French |
| 10 | Melina Messier | 60 | Wife-H | None | Massachusetts |
| 11 | Elinor C. Messier | 22 | Daughter | Nurse | Massachusetts |
| 12 | Hermeline J. Messier | 21 | Daughter | Typewriter | Massachusetts |
| 13 | Roland A. Messier | 18 | Son | None | Massachusetts |
| 14 | Helen J. Messier | 16 | Daughter | None | Massachusetts |
| 15 | Dorothy H. Messier | 14 | Daughter | None | Massachusetts |
| 16 | John Fox | 80 | Head | None | Irish Free State |
| 17 | Julia A. Fox | 70 | Wife-H | None | Massachusetts |
| 18 | Mary C. Fox THIS PERSON | 38 | Daughter | Teacher | Massachusetts |
| 19 | John V. Fox | 33 | Son | None | Massachusetts |
| 20 | Lorenzo Piatrucci | 62 | Head | Labourer | Italy |
| 21 | Mary Piatrucci | 49 | Wife-H | None | Italy |
| 22 | Lorenzo Piatrucci | 18 | Son | Labourer | Massachusetts |
| 23 | Joseph Piatrucci | 14 | Son | None | Massachusetts |
| 24 | Vintone Piatrucci | 12 | Son | None | Massachusetts |
| 25 | Caroline Piatrucci | 8 | Daughter | None | Massachusetts |
| 26 | Frederick E. Girouard | 47 | Head | Manager | Massachusetts |
| 27 | Josephine Girouard | 40 | Wife-H | Bookkeeper | Massachusetts |
| 28 | Josephine Auger | 67 | Mother-in-law | None | Massachusetts |
| 29 | Raymond Palardy | 22 | Boarder | Leveller | Massachusetts |
| 30 | Raymond J. Simard | 25 | Head | Truck Driver | Massachusetts |
| 31 | Yvonne B. Simard | 24 | Wife-H | None | Rhode Island |
| 32 | Roland R. Simard | 1 | Son | None | Massachusetts |
| 33 | Exilda Belhomere | 70 | Head-H | None | Canada French |
| 34 | Medirick Belhomere | 71 | Husband | None | Canada French |
| 35 | Oscar Belhomere | 48 | Son | None | Canada French |
| 36 | Wilfred Belhomere | 34 | Son | Heel Blackin | Massachusetts |
| 37 | Peter Malatos | 34 | Son-in-law | Vamper | Greece |
| 38 | Juliette M. Malatos | 26 | Daughter | Fancy Stitcher | Massachusetts |
| 39 | Royal S. Hill | 33 | Head | Truck Driver | Massachusetts |
| 40 | Eva Hill | 35 | Wife-H | None | Massachusetts |
| 41 | David J. Hill | 2 | Son | None | Massachusetts |
| 42 | Florence Hill | 1 | Daughter | None | Massachusetts |
| 43 | Robert R. Hill | 0 | Son | None | Massachusetts |
| 44 | Loraine M. Pomptney | 11 | Step-daughter | None | Massachusetts |
| 45 | Helen Pomptney | 10 | Step-daughter | None | Massachusetts |
| 46 | Rita I. Pomptney | 7 | Step-daughter | None | Massachusetts |
| 47 | Joseph C. Cole | 64 | Head | Crowner | Massachusetts |
| 48 | Josephine L. Cole | 65 | Wife-H | None | Canada French |
| 49 | Charles E. Brodeur | 41 | Head | Meat Cutter | Massachusetts |
| 50 | Aliana M. Brodeur | 40 | Wife-H | None | Massachusetts |
Pedigree Summary
Mary + 1 sibling
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)