MH
Margaret Hart — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Margaret Hart across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1878), then head of a 6-person household.
Age 42
b. ~1878
Female
Spouse
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Hart |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1896 |
| Birthplace (normalized) | ireland |
| Township / Ward | Cambridge City |
| Est. Birth Year | ~1878 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Mary Hart | Daughter | — | 15 | ~1905 |
| Catherine Hart | Daughter | — | 14 | ~1906 |
| Margaret Hart | Daughter | — | 17 | ~1903 |
| Patrick Hart | Head | — | 45 | ~1875 |
| Margaret Hart | Spouse | — | 42 | ~1878 |
| John Hart | Son | — | 13 | ~1907 |
Census Appearances
1900
Middlesex, Massachusetts
Spouse, age 20
Middlesex, Massachusetts · implied b. ~1880 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Margaret G |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ireland |
| Birth Month | Oct |
| Birth Year | 1880 |
| Year of Immigration | 1890 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Middlesex, Massachusetts
Spouse, age 31
Middlesex, Massachusetts · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Margaret E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 10 |
| Children Born | 4 |
| Children Living | 4 |
| Year of Immigration | 1890 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Middlesex, Massachusetts
Spouse, age 42
Middlesex, Massachusetts · implied b. ~1878 — 6 household members
| Surname | Hart |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1896 |
| Birthplace (normalized) | ireland |
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 Margaret Hart across 3 US Census years (1900, 1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Margaret Hart
Spouse · 1920 · age 42 · b. ~1878 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Middlesex, Massachusetts
Open full size
1920 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu707unit:0084)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Peters | 10 | Daughter | — | Massachusetts |
| 2 | Margaret Peters | 11 | Daughter | — | Massachusetts |
| 3 | Thomas Curran | 45 | Head | Laborer | Massachusetts |
| 4 | Mary Curran | 42 | Wife | — | Ireland |
| 5 | Francis Curran | 20 | Son | Laborer | Massachusetts |
| 6 | Anna Curran | 17 | Daughter | Clerk | Massachusetts |
| 7 | Mary Curran | 15 | Daughter | — | Massachusetts |
| 8 | Helen Curran | 13 | Daughter | — | Massachusetts |
| 9 | Joseph Curran | 11 | Son | — | Massachusetts |
| 10 | Edward Curran | 10 | Son | — | Massachusetts |
| 11 | Robert Curran | 6 | Son | — | Massachusetts |
| 12 | Margaret Curran | 3 | Daughter | — | Massachusetts |
| 13 | Elias Balbonie | 55 | Head | Laborer | Italy |
| 14 | Adeline Balbonie | 50 | Wife | — | Italy |
| 15 | Mary Balbonie | 25 | Daughter | Clerk | Italy |
| 16 | Rose Balbonie | 23 | Daughter | Clerk | Italy |
| 17 | Hugh Balbonie | 21 | Son | Laborer | Italy |
| 18 | Alexander Balbonie | 20 | Son | Laborer | Italy |
| 19 | Joseph Balbonie | 11 | Son | — | Massachusetts |
| 20 | Daniel Balbonie | 19 | Son | Laborer | Massachusetts |
| 21 | Eleanor Balbonie | 10 | Daughter | — | Massachusetts |
| 22 | Mary Leary | 52 | Head | — | Ireland |
| 23 | John Leary | 21 | Son | Laborer | Massachusetts |
| 24 | Edward Leary | 18 | Son | Laborer | Massachusetts |
| 25 | John Leary | 55 | Uncle | Laborer | Ireland |
| 26 | Mary Hurley | 26 | Lodger | Clerk | Massachusetts |
| 27 | Martin Pacelli | 54 | Head | Laborer | Italy |
| 28 | Mary Pacelli | 53 | Wife | — | Italy |
| 29 | Frank Pacelli | 24 | Son | Laborer | Italy |
| 30 | James Pacelli | 15 | Son | — | Massachusetts |
| 31 | Mary Pacelli | 13 | Daughter | — | Massachusetts |
| 32 | Frank Keoh | 32 | Head | Laborer | Hungary |
| 33 | Mary Keoh | 20 | Wife | — | Hungary |
| 34 | Mary Keoh | 1 | Daughter | — | Massachusetts |
| 35 | Patrick J. Hart | 45 | Head | Laborer | Ireland |
| 36 | Margaret Hart THIS PERSON | 42 | Wife | — | Ireland |
| 37 | Margaret Hart | 17 | Daughter | Clerk | Massachusetts |
| 38 | Mary Hart | 15 | Daughter | — | Massachusetts |
| 39 | Catherine Hart | 14 | Daughter | — | Massachusetts |
| 40 | John Hart | 13 | Son | — | Massachusetts |
| 41 | Mary Donnelly | 54 | Head | — | Ireland |
| 42 | Bernice Donnelly | 21 | Daughter | Clerk | Massachusetts |
| 43 | Charles Donnelly | 19 | Son | Laborer | Massachusetts |
| 44 | William Donnelly | 15 | Son | — | Massachusetts |
| 45 | Thomas Campbell | 56 | Head | Laborer | Ireland |
| 46 | Mary Campbell | 52 | Wife | — | Ireland |
| 47 | Thomas Campbell | 26 | Son | Laborer | Massachusetts |
| 48 | James Campbell | 22 | Son | Laborer | Massachusetts |
| 49 | Mary Campbell | 19 | Daughter | Clerk | Massachusetts |
| 50 | Alice Campbell | 16 | Daughter | — | Massachusetts |
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)