MH
Mary Haggerty — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Haggerty across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 3-person household.
Age 55
b. ~1865
Female
Head
Born: Ireland
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | Haggerty |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1884 |
| 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 |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1887 |
| Birthplace (normalized) | ireland |
| Township / Ward | Stoneham Town Part Of |
| Est. Birth Year | ~1865 |
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 |
|---|---|---|---|---|
| Mary Haggerty | Head | — | 55 | ~1865 |
| William Haggerty | Son | — | 25 | ~1895 |
| Mary Haggerty | Daughter | — | 23 | ~1897 |
Census Appearances
1900
Middlesex, Massachusetts
Other, age 32
Middlesex, Massachusetts · implied b. ~1868 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haggerty |
| Given Name | Mary F. |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Ireland |
| Birth Month | May |
| Birth Year | 1868 |
| Year of Immigration | 1887 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Servant |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Middlesex, Massachusetts
Other, age 46
Middlesex, Massachusetts · implied b. ~1864 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Haggerty |
| Given Name | Mary |
| Relationship to Head | Inmate |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Single |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Operative |
| Industry | Woolen Mill |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Middlesex, Massachusetts
Head, age 55
Middlesex, Massachusetts · implied b. ~1865 — 3 household members
| Surname | Haggerty |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1887 |
| 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 Mary Haggerty across 3 US Census years (1900, 1910 and 1920) in Middlesex, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Mary Haggerty
Head · 1920 · age 55 · b. ~1865 · 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:1920:14thcensusofpopu719unit:0394)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William A Hadley | 40 | Head | Teamster | Massachusetts |
| 2 | Alice C M Hadley | 37 | Wife | — | Massachusetts |
| 3 | Fredrick R B Hadley | 7 | Son | — | Massachusetts |
| 4 | Charles Hadley | 68 | Brother | Trucking | Massachusetts |
| 5 | Annie J Kennedy | 50 | Head | — | England |
| 6 | Mary E Kennedy | 48 | Sister | Stamper | Massachusetts |
| 7 | Mary E Haggerty THIS PERSON | 55 | Head | — | Ireland |
| 8 | William B Haggerty | 25 | Son | Steamfitter | Massachusetts |
| 9 | Mary E Haggerty | 23 | Daughter | Packer | Massachusetts |
| 10 | Thomas F Mccarthy | 34 | Head | Edgetrimmer | Massachusetts |
| 11 | Grace M Mccarthy | 29 | Wife | — | Massachusetts |
| 12 | Elmer F Mccarthy | 11 | Son | — | Massachusetts |
| 13 | Clarence W Mccarthy | 9 | Son | — | Massachusetts |
| 14 | Mildred A Mccarthy | 6 | Daughter | — | Massachusetts |
| 15 | Helen M Mccarthy | 4 | Daughter | — | Massachusetts |
| 16 | William S Mccarthy | 1 | Son | — | Massachusetts |
| 17 | Charles E Currier | 33 | Head | Planer | Maine |
| 18 | Essie P Currier | 32 | Wife | — | Maine |
| 19 | Charles Currier | 2 | Son | — | Maine |
| 20 | Florence E Currier | 0 | Daughter | — | Massachusetts |
| 21 | Charles R Brewer | 35 | Head | Painter | Massachusetts |
| 22 | Margaret R Brewer | 29 | Wife | — | Nova Scotia |
| 23 | Catherine C Brewer | 5 | Daughter | — | Massachusetts |
| 24 | Charles B Brewer | 4 | Son | — | Massachusetts |
| 25 | Roy W Brewer | 2 | Son | — | Massachusetts |
| 26 | Ella R Brewer | 1 | Daughter | — | Massachusetts |
| 27 | George H Davis | 50 | Head | Clerk | Massachusetts |
| 28 | Alice E Davis | 45 | Wife | — | Massachusetts |
| 29 | Hazel B Davis | 21 | Daughter | Stenographer | Massachusetts |
| 30 | Dorothy A Davis | 19 | Daughter | Clerk | Massachusetts |
| 31 | Carlton B Davis | 6 | Son | — | Massachusetts |
| 32 | Hampartsoom Hagopian | 39 | Head | Cutter | Armenia |
| 33 | Mary M Hagopian | 34 | Wife | — | Armenia (Am. Cit.) |
| 34 | Dorothy Hagopian | 5 | Daughter | — | Massachusetts |
| 35 | John B Hagopian | 3 | Son | — | Massachusetts |
| 36 | Rose Hagopian | 1 | Daughter | — | Massachusetts |
| 37 | Rose V Terzian | 43 | Head | Presser | Armenia |
| 38 | Mary Terzian | 16 | Daughter | Stitcher | Armenia |
| 39 | Hilda Terzian | 14 | Daughter | — | Armenia |
| 40 | Samuel A Thompson | 58 | Head | Engineer | England |
| 41 | Emma P Thompson | 56 | Wife | Housework | Nova Scotia |
| 42 | Florence Thompson | 29 | Daughter | — | Massachusetts |
| 43 | Clara D Thompson | 26 | Daughter | Stitching | Massachusetts |
| 44 | William T Thompson | 20 | Son | Handlifter | Massachusetts |
| 45 | Gertrude Pierce | 10 | Daughter | — | Massachusetts |
| 46 | Florence P Pierce | 8 | Daughter | — | Massachusetts |
| 47 | Clarence Pierce | 5 | Son | — | Massachusetts |
| 48 | John Mclean | 25 | Head | Presser | Scotland |
| 49 | Marion Mclean | 25 | Wife | — | Maine |
| 50 | John S Mclean | 3 | Son | — | 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)