MH
Mary Hubbard — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Mary Hubbard across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Joseph & Catherine — first a daughter (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Hubbard |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 1800 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Teacher |
| Township / Ward | Boston City |
| Est. Birth Year | ~1908 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joseph Hubbard | Head | — | 70 | ~1870 |
| Catherine Hubbard | Spouse | — | 68 | ~1872 |
| Mary Hubbard | Daughter | — | 32 | ~1908 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 16
Suffolk, Massachusetts · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hubbard |
| Given Name | Mary V |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Daughter, age 26
Suffolk, Massachusetts · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hubbard |
| Given Name | Mary V |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | school teacher |
| Industry | public school |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Daughter, age 32
Suffolk-County, Massachusetts · implied b. ~1908 — 3 household members
| Surname | Hubbard |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston City |
| 1935 Residence (County) | Suffolk |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 1800 |
| Highest Grade | C 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 Hubbard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Hubbard (~0.92 confidence) and mother Catherine Hubbard (~0.92 confidence) and father Joseph Hubbard (~0.92 confidence) and mother Catherine Hubbard (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Hubbard
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Catherine Hubbard
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
Joseph Hubbard
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Catherine Hubbard
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Hubbard
Daughter · 1940 · age 32 · b. ~1908 · Massachusetts
★ You are viewing this record
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
38 people indexed on this census page (nara:1940:m-t0627-01669-00595)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William J. Jr. Sennott | 21 | Son | Shipper | Massachusetts |
| 42 | J. Warren Sennott | 14 | Son | — | Massachusetts |
| 43 | Dorothy A. Sennott | 25 | Daughter | — | Massachusetts |
| 44 | Michael Gorman | 25 | Head | — | Irish Free State |
| 45 | Mary Gorman | 25 | Wife | — | Irish Free State |
| 46 | William H. Madden | 43 | Head | Pharmacist | Massachusetts |
| 47 | Anne Madden | 35 | Wife | — | Massachusetts |
| 48 | William Madden | 10 | Son | — | Massachusetts |
| 49 | Eugenia Madden | 8 | Daughter | — | Massachusetts |
| 50 | Barbara Madden | 7 | Daughter | — | Massachusetts |
| 51 | Mary E. Madden | 4 | Daughter | — | Massachusetts |
| 52 | James J. Timons | 34 | Head | Chauffeur | Massachusetts |
| 53 | Louise Timons | 33 | Wife | — | Massachusetts |
| 54 | John Timons | 8 | Son | — | Massachusetts |
| 55 | Louise Timons | 11 | Daughter | — | Massachusetts |
| 57 | Mary E. English | 65 | Head | — | Pennsylvania |
| 58 | William Chris | 65 | Caretaker | Caretaker | New Hampshire |
| 59 | Violet L. Cross | 59 | Head | — | Canada Eng |
| 60 | Gladys E. Cross | 33 | Daughter | Dental Assistant | Massachusetts |
| 61 | Howard Wellons | 48 | Head | Teacher | Massachusetts |
| 62 | Mildred Wellons | 45 | Wife | — | Massachusetts |
| 64 | Joseph P. Hubbard | 70 | Head | Stock Clerk | Massachusetts |
| 65 | Catherine A. Hubbard | 68 | Wife | — | Massachusetts |
| 66 | Mary G. Hubbard THIS PERSON | 32 | Daughter | Teacher | Massachusetts |
| 67 | Patrick J. Keane | 42 | Head | Police Officer | Irish Free State |
| 68 | Helen Keane | 41 | Wife | — | Irish Free State |
| 69 | Helen T. Keane | 6 | Daughter | — | Massachusetts |
| 70 | Mary Keane | 4 | Daughter | — | Massachusetts |
| 71 | Mclaughlin | 58 | Head | — | Irish Free State |
| 72 | Joseph J. Mclaughlin | 33 | Son | Secretary | Massachusetts |
| 73 | Catherine A. Mclaughlin | 32 | Daughter | Secretary | Massachusetts |
| 74 | Teresa V. Mclaughlin | 28 | Daughter | Typist | Massachusetts |
| 75 | James J. Fennessy | 39 | Head | Police Officer | Massachusetts |
| 76 | Elizabeth Fennessy | 39 | Wife | — | Massachusetts |
| 77 | James Fennessy | 5 | Son | — | Massachusetts |
| 78 | Francis Fennessy | 3 | Son | — | Massachusetts |
| 79 | Mary Fennessy | 9 | Daughter | — | Massachusetts |
| 80 | Katherine Fennessy | 7 | Daughter | — | Massachusetts |
Pedigree Summary
Mary
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 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)