MH
Mary Hart — 1920 US Census Record
Model Tree available1920 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Hart across the 1900, 1910 and 1920 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed), with identified parents Patrick & Margaret — first a daughter (b.~1877), then head of a 3-person household.
Age 43
b. ~1877
Female
Daughter
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Suffolk, Massachusetts |
| Surname | Hart |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Office Lady |
| Industry | Provision House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Office Lady |
| Township / Ward | Boston City Dorchester Borough |
| Est. Birth Year | ~1877 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Catherine Hart | Daughter | — | 41 | ~1879 |
| Mary Hart | Daughter | — | 43 | ~1877 |
| Margaret Hart | Head | — | 68 | ~1852 |
Census Appearances
1900
Suffolk, Massachusetts
Daughter, age 24
Suffolk, Massachusetts · implied b. ~1876 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Birth Month | Aug |
| Birth Year | 1876 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Bookkeeper |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1910
Suffolk, Massachusetts
Daughter, age 33
Suffolk, Massachusetts · implied b. ~1877 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Daughter, age 43
Suffolk, Massachusetts · implied b. ~1877 — 3 household members
| Surname | Hart |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Office Lady |
| Industry | Provision House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Hart across 3 US Census years (1900, 1910 and 1920) in Suffolk, Massachusetts, using XGBoost record linkage. Identified parents: father Patrick Hart (~0.92 confidence) and mother Margaret Hart (~0.92 confidence) and mother Margaret Hart (~0.92 confidence) and mother Margaret Hart (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Hart
b. ~1850
Source father
● Household
· direct · ~0.92
Mother
Margaret Hart
b. ~1851
Source mother
● Household
· direct · ~0.92
Mother
Margaret Hart
b. ~1852
Source mother
● Household
· direct · ~0.92
Mother
Margaret Hart
b. ~1856
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Hart
Daughter · 1920 · age 43 · b. ~1877 · Massachusetts
★ You are viewing this record
Sibling
Catherine Hart
Sibling · 1920 · age 41
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
1920 US Federal Census — Suffolk, Massachusetts
Open full size
1920 US Federal Census — Suffolk, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu737unit:0425)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alfred H. | 13 | Son | — | New York |
| 2 | Lillian M. | 11 | Daughter | — | New York |
| 3 | Alice Pauline | 9 | Daughter | — | New York |
| 4 | Anthony Cannata | 42 | Head | Salesman | Italy |
| 5 | Jennie Cannata | 33 | Wife | — | Italy |
| 6 | Angelina Cannata | 9 | Daughter | — | Massachusetts |
| 7 | Patrick Cannata | 7 | Son | — | Massachusetts |
| 8 | Mary T. Cannata | 6 | Daughter | — | Massachusetts |
| 9 | Josephine M. Cannata | 4 | Daughter | — | Massachusetts |
| 10 | William F. Walsh | 48 | Head | Patrolman | Massachusetts |
| 11 | Elinor J. C. Walsh | 13 | Daughter | — | Massachusetts |
| 12 | Hazel L. Walsh | 11 | Daughter | — | Massachusetts |
| 13 | William D. Walsh | 9 | Son | — | Massachusetts |
| 14 | James Hadfield | 32 | Head | Sign Painter | Massachusetts |
| 15 | Florence F. Hadfield | 28 | Wife | — | Massachusetts |
| 16 | William Hadfield | 6 | Son | — | Massachusetts |
| 17 | Jessie Hadfield | 4 | Daughter | — | Massachusetts |
| 18 | Dorothy Hadfield | 2 | Daughter | — | Massachusetts |
| 19 | Evelyn Hadfield | 0 | Daughter | — | Massachusetts |
| 20 | George W. Reid | 32 | Head | Welder | Massachusetts |
| 21 | Theresa F. Reid | 29 | Wife | — | Massachusetts |
| 22 | Florence M. Reid | 8 | Daughter | — | Massachusetts |
| 23 | George Reid | 3 | Son | — | Massachusetts |
| 24 | Catherine Perkins | 75 | Head | — | Ireland |
| 25 | Margaret F. Perkins | 41 | Daughter | Sales Lady | Massachusetts |
| 26 | Joseph L. Perkins | 39 | Son | Laborer | Massachusetts |
| 27 | Honora Cahill | 56 | Head | — | Ireland |
| 28 | George F. Cahill | 27 | Son | Fireman | Massachusetts |
| 29 | George Sinclair | 40 | Head | Barge Captain | Canada |
| 30 | Margaret Sinclair | 40 | Wife | — | Canada |
| 31 | Aubrey Sinclair | 10 | Son | — | Massachusetts |
| 32 | John A. Mckennon | 34 | Head | Fireman | Canada |
| 33 | Lillian M. Mckennon | 29 | Wife | — | Massachusetts |
| 34 | Dorothy J. Mckennon | 0 | Daughter | — | Massachusetts |
| 35 | Walter Holler | 29 | Head | Driver | Massachusetts |
| 36 | Annie Holler | 22 | Wife | — | Massachusetts |
| 37 | Doris Holler | 1 | Daughter | — | Massachusetts |
| 38 | Alexander Hamilton | 72 | Head | Carpenter | Canada |
| 39 | Maude Hamilton | 38 | Daughter | — | Massachusetts |
| 40 | Mary Coughlin | 70 | Head | — | Ireland |
| 41 | Anna Coughlin | 30 | Daughter | Waitress | Massachusetts |
| 42 | George Beake | 64 | Head | Janitor | England |
| 43 | Amelia Beake | 65 | Wife | — | England |
| 44 | John J. Kirby | 41 | Head | Freight Clerk | Massachusetts |
| 45 | Alice E. Kirby | 36 | Wife | — | Massachusetts |
| 46 | Rita E. Kirby | 8 | Daughter | — | Massachusetts |
| 47 | John Kirby | 73 | Father | Teamster | Ireland |
| 48 | Margaret E. Hart | 68 | Head | — | Massachusetts |
| 49 | Mary E. Hart THIS PERSON | 43 | Daughter | Office Lady | Massachusetts |
| 50 | Catherine Hart | 41 | Daughter | Sales Lady | 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 1920 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)