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Margaret Mcnamara — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Margaret Mcnamara across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1872), then head of a 3-person household.
Age 48
b. ~1872
Female
Spouse
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Middlesex, Massachusetts |
| Surname | McNamara |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| 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 | 1895 |
| Birthplace (normalized) | ireland |
| Township / Ward | Lowell City |
| Est. Birth Year | ~1872 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mcnamara | Spouse | — | 48 | ~1872 |
| John Mcnamara | Son | — | 21 | ~1899 |
| Edward Mcnamara | Head | — | 45 | ~1875 |
Census Appearances
1900
Middlesex, Massachusetts
Spouse, age 28
Middlesex, Massachusetts · implied b. ~1872 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Apr |
| Birth Year | 1872 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Middlesex, Massachusetts
Spouse, age 37
Middlesex, Massachusetts · implied b. ~1873 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McNamara |
| Given Name | Margaret M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 18 |
| Children Born | 5 |
| Children Living | 5 |
| Year of Immigration | 1888 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Middlesex, Massachusetts
Spouse, age 48
Middlesex, Massachusetts · implied b. ~1872 — 3 household members
| Surname | McNamara |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| 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 | 1895 |
| 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 Mcnamara 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 Mcnamara
Spouse · 1920 · age 48 · b. ~1872 · 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:1920:14thcensusofpopu712unit:0482)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Francis Bernier | 14 | Son | — | Massachusetts |
| 2 | Alice Lorrow | 54 | Head | — | England |
| 3 | Frederick Lorrow | 20 | Son | Offler | Massachusetts |
| 4 | Margaret Lorrow | 18 | Daughter | — | Massachusetts |
| 5 | James Lozonelly | 42 | Boarder | Driver | Massachusetts |
| 6 | Thomas Lorrow | 34 | Head | Fixer | Massachusetts |
| 7 | Amelia Lorrow | 28 | Wife | Folder | Vermont |
| 8 | Pierre Belanger | 45 | Head | Room Fixer | Canada |
| 9 | Anna Belanger | 45 | Wife | — | Canada |
| 10 | Albert Belanger | 25 | Son | Assistant Helper | Massachusetts |
| 11 | Marie Louise Benoit | 47 | Head | — | Canada |
| 12 | John Benoit | 20 | Son | Box Cutter | Massachusetts |
| 13 | Albert Benoit | 18 | Son | Picker Tender | Massachusetts |
| 14 | Joseph Hall | 51 | Head | Painter | Vermont |
| 15 | Albina Hall | 53 | Wife | — | Canada |
| 16 | Marguerite Hall | 22 | Daughter | Looper | Massachusetts |
| 17 | Lillian Hall | 20 | Daughter | Looper | Vermont |
| 18 | Irene Hall | 17 | Daughter | Looper | Vermont |
| 19 | Willard Hall | 14 | Son | Folder | Massachusetts |
| 20 | Rufus Hammond | 40 | Head | — | Ireland |
| 21 | James Hammond | 21 | Son | — | Massachusetts |
| 22 | Mary Hammond | 17 | Daughter | Spinner | Massachusetts |
| 23 | Robert Hammond | 15 | Son | Offler | Massachusetts |
| 24 | Oliver Gaudette | 28 | Head | Folder | Canada |
| 25 | Laura Gaudette | 25 | Wife | Carder | Canada |
| 26 | Fernande Gaudette | 2 | Son | — | Canada |
| 27 | Paul Gaudette | 1 | Son | — | Canada |
| 28 | Emma Gagnon | 21 | Sister-in-law | — | Canada |
| 29 | Charles Gervais | 25 | Head | Operator | Massachusetts |
| 30 | Catherine Gervais | 27 | Wife | — | Maine |
| 31 | Charles Jr. Gervais | 7 | Son | — | Connecticut |
| 32 | Blanche Gervais | 4 | Son | — | Massachusetts |
| 33 | James Murphy | 35 | Head | Grinder | Ireland |
| 34 | George Murphy | 14 | Son | Messenger | Massachusetts |
| 35 | Joseph Mercier | 40 | Head | Steam Fitter Helper | Massachusetts |
| 36 | Mary Mercier | 33 | Wife | — | Ireland |
| 37 | Catherine Mercier | 13 | Daughter | — | Massachusetts |
| 38 | Leslie Mercier | 12 | Son | — | Massachusetts |
| 39 | Muriel Mercier | 6 | Daughter | — | Massachusetts |
| 40 | Catherine Moore | 70 | Mother-in-law | Stitcher | Ireland |
| 41 | Julian Mercier | 46 | Head | Teamster | Massachusetts |
| 42 | Catherine Mercier | 38 | Wife | — | Ireland |
| 43 | Charles Mercier | 5 | Son | — | Massachusetts |
| 44 | Henry Maynard | 48 | Head | Cardroom | Canada |
| 45 | Rose Anna Maynard | 45 | Wife | Carder | Canada |
| 46 | George Maynard | 16 | Son | Speed Tender | Massachusetts |
| 47 | Edward Beauregard | 34 | Brother-in-law | Leather Cutter | Canada |
| 48 | Edward Mcnamara | 45 | Head | Clerical Clerk | Ireland |
| 49 | Margaret Mcnamara THIS PERSON | 48 | Wife | — | Ireland |
| 50 | John Mcnamara | 21 | Son | Plumber | 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)