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Margaret Brennan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Hartford, Connecticut
Our Model Tree links this Margaret Brennan across the 1900, 1910 and 1920 US Censuses in Hartford, Connecticut (XGBoost, ~Confirmed) — first a head (b.~1855), then head of a 3-person household.
Age 65
b. ~1855
Female
Head
Born: Ireland
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Hartford, Connecticut |
| Surname | Brennan |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1882 |
| 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 Free/Mortgaged | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Hartford City |
| Est. Birth Year | ~1855 |
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 |
|---|---|---|---|---|
| Anna Brennan | Daughter | — | 30 | ~1890 |
| Margaret Brennan | Daughter | — | 27 | ~1893 |
| Margaret Brennan | Head | — | 65 | ~1855 |
Census Appearances
1900
Hartford, Connecticut
Head, age 44
Hartford, Connecticut · implied b. ~1856 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | May |
| Birth Year | 1856 |
| Year of Immigration | 1880 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Tolland, Connecticut
Head, age 55
Tolland, Connecticut · implied b. ~1855 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Children Born | 7 |
| Children Living | 5 |
| Year of Immigration | 1880 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Hartford, Connecticut
Head, age 65
Hartford, Connecticut · implied b. ~1855 — 3 household members
| Surname | Brennan |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Free/Mortgaged | R |
| Birth Country | Ireland |
| 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 Brennan across 3 US Census years (1900, 1910 and 1920) in 2 locations, using XGBoost record linkage.
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Anchor record
Margaret Brennan
Head · 1920 · age 65 · b. ~1855 · Connecticut
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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 — Hartford, Connecticut
Open full size
1920 US Federal Census — Hartford, Connecticut
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu183unit:1059)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theodore Laman | 52 | Head | Machinist | Canada |
| 2 | Abbey Laman | 49 | Wife | — | Connecticut |
| 3 | Michael Maran | 50 | Head | Blacksmith | Connecticut |
| 4 | Katherine G. Maran | 43 | Wife | — | Connecticut |
| 5 | John J. Hollahan | 47 | Head | Sheriff | Connecticut |
| 6 | Alice Hollahan | 41 | Wife | — | New York |
| 7 | Benjamin F. Bailey | 59 | Head | Day Watchman | New York |
| 8 | Alice Bailey | 58 | Wife | — | Massachusetts |
| 9 | Margaret Brennan THIS PERSON | 65 | Head | — | Ireland |
| 10 | Anna Brennan | 30 | Daughter | Salesgirl | England |
| 11 | Margaret Brennan | 27 | Daughter | — | England |
| 12 | John Marsh | 57 | Head | Machinist | Connecticut |
| 13 | Lottie Marsh | 48 | Wife | — | Michigan |
| 14 | John Mcnary | 52 | Lodger | — | Connecticut |
| 15 | John S. Brown | 46 | Head | Upholsterer | Austria |
| 16 | Annie Brown | 46 | Wife | — | Austria |
| 17 | Minnie L. Brown | 20 | Daughter | Salesgirl | New York |
| 18 | Jacob Brown | 19 | Son | Salesman | New York |
| 19 | Ray Brown | 12 | Son | — | New Jersey |
| 20 | Henrietta Brown | 10 | Daughter | — | New Jersey |
| 21 | Barney Brown | 7 | Son | — | New York |
| 22 | Mae Brown | 5 | Daughter | — | Connecticut |
| 23 | Max Grofstein | 62 | Head | Retailer | Russia |
| 24 | Rebecca Grofstein | 49 | Wife | — | Russia |
| 25 | Edith Grofstein | 26 | Daughter | Stenographer | Connecticut |
| 26 | Bertha Grofstein | 19 | Daughter | Salesgirl | Connecticut |
| 27 | Celia Grofstein | 16 | Daughter | — | Connecticut |
| 28 | Nathan Grofstein | 14 | Son | — | Connecticut |
| 29 | John Meyers | 34 | Head | Inspector | Germany |
| 30 | Mary H. Meyers | 31 | Wife | — | Ireland |
| 31 | John E. Meyers | 7 | Son | — | Massachusetts |
| 32 | Robert P. Meyers | 2 | Son | — | Connecticut |
| 33 | James E. Lyman | 62 | Head | Porter | Connecticut |
| 34 | Margaret Lyman | 58 | Wife | — | Connecticut |
| 35 | Viola Lyman | 29 | Daughter | Bookkeeper | Connecticut |
| 36 | Elmer Lyman | 26 | Son | Chauffeur | Connecticut |
| 37 | Gladys Lyman | 22 | Daughter | — | Connecticut |
| 38 | Frank Lyman | 19 | Son | — | Connecticut |
| 39 | Benjamin F. Milton | 52 | Head | Caretaker | Connecticut |
| 40 | Lillian Milton | 47 | Wife | — | Connecticut |
| 41 | James F. Foley | 38 | Head | Policeman | Connecticut |
| 42 | Grace Foley | 37 | Wife | Milliner | Massachusetts |
| 43 | Francis Foley | 9 | Son | — | Connecticut |
| 44 | Lewis Cadwell | 52 | Head | — | Connecticut |
| 45 | Ruth Cadwell | 27 | Daughter | Secretary | Connecticut |
| 46 | Samuel Cadwell | 16 | Son | — | Connecticut |
| 47 | John Niccolini | 44 | Head | Chauffeur | Italy |
| 48 | Teresa Niccolini | 38 | Wife | — | Italy |
| 49 | William Niccolini | 16 | Son | Machinist | Connecticut |
| 50 | Edward Niccolini | 15 | Son | Repairman | Connecticut |
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)