MC
Margaret Cox — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Margaret Cox across the 1900, 1910 and 1920 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1844), then head of a 5-person household.
Age 56
b. ~1844
Female
Spouse
Born: Ireland
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Middlesex, Massachusetts |
| Surname | Cox |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | July |
| Birth Year | 1844 |
| Year of Immigration | 1860 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Lowell City |
| Est. Birth Year | ~1844 |
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.
5 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Mary Cox | Daughter | — | 23 | ~1877 |
| Thomas Cox | Head | — | 61 | ~1839 |
| Maggie Cox | Daughter | — | 8 | ~1892 |
| Margaret Cox | Spouse | — | 56 | ~1844 |
| Johnie Cox | Son | — | 26 | ~1874 |
Census Appearances
1900
Middlesex, Massachusetts
Spouse, age 56
Middlesex, Massachusetts · implied b. ~1844 — 5 household members
| Surname | Cox |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | July |
| Birth Year | 1844 |
| Year of Immigration | 1860 |
| 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
Head, age 67
Middlesex, Massachusetts · implied b. ~1843 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Children Born | 3 |
| Children Living | 3 |
| Year of Immigration | 1840 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Washerwoman |
| Industry | Working out |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Middlesex, Massachusetts
Head, age 79
Middlesex, Massachusetts · implied b. ~1841 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1855 |
| 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 | O |
| Home Free/Mortgaged | M |
| Birth Country | Ireland |
| Year of Naturalization | 1860 |
| 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 Cox 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 Cox
Spouse · 1900 · age 56 · b. ~1844 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — Middlesex, Massachusetts
Open full size
1900 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu661unit:0070)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alexandrine Hube | 3 | Daughter | — | Massachusetts |
| 2 | Alfred Hube | 2 | Son | — | Massachusetts |
| 3 | Ovila Beaucahil|Beaucahie | 29 | Head | Cotton Spinner | Canada (Fr) |
| 4 | Matilda Beaucahil|Beaucahie | 27 | Wife | — | Canada (Fr) |
| 5 | Bertha Beaucahil|Beaucahie | 5 | Daughter | — | Massachusetts |
| 6 | Eugene Beaucahil|Beaucahie | 1 | Son | — | Massachusetts |
| 7 | Oliver Clouthier | 22 | Roomer | Weaver | Canada (Fr) |
| 8 | Felix Clouthier | 22 | Roomer | Weaver | Canada (Fr) |
| 9 | George W. Judson | 37 | Head | Machinist | Canada (Eng) |
| 10 | Elizabeth Judson | 37 | Wife | — | Canada (Eng) |
| 11 | Albert T. Judson | 12 | Son | At School | Canada (Eng) |
| 12 | Reginald J. Judson | 10 | Son | At School | Canada (Eng) |
| 13 | George F. Judson | 8 | Son | At School | Wisconsin |
| 14 | Grace Judson | 6 | Daughter | At School | Wisconsin |
| 15 | Franklin Judson | 4 | Son | — | Massachusetts |
| 16 | Mildred Judson | 1 | Daughter | — | Massachusetts |
| 17 | William W. Judson | 29 | Boarder | Machinist | Canada (Eng) |
| 18 | Bertha E. Judson | 25 | Boarder | — | New York |
| 19 | Laura Judson | 18 | Boarder | Bookkeeper | Canada (Eng) |
| 20 | John J. Ryan | 42 | Head | Painter | Canada (Eng) |
| 21 | Sarah Ryan | 40 | Wife | — | Massachusetts |
| 22 | Sadie Ryan | 12 | Daughter | At School | Massachusetts |
| 23 | Katie Ryan | 11 | Daughter | At School | Massachusetts |
| 24 | James Ryan | 9 | Son | At School | Massachusetts |
| 25 | Mamie Ryan | 7 | Daughter | At School | Massachusetts |
| 26 | William Ryan | 3 | Son | — | Massachusetts |
| 27 | Napoleon Larose | 55 | Head | Machinist | Canada (Fr) |
| 28 | Rosea Larose | 54 | Wife | — | New York |
| 29 | Phoebe Larose | 28 | Daughter | — | New York |
| 30 | Rose Larose | 9 | Son | At School | New Hampshire |
| 31 | Alfred Luce | 20 | Boarder | Boarder Hosiery | New Hampshire |
| 32 | Henry Boudreau | 32 | Boarder | Second Hand Hosiery | New York |
| 33 | Bertha Boudreau | 28 | Boarder | Dry Goods Store | New Hampshire |
| 34 | Rudolph Boudreau | 6 | Boarder | At School | Massachusetts |
| 35 | Ruth Boudreau | 4 | Boarder | — | Massachusetts |
| 36 | Patrick O'Neil | 60 | Head | Mill Laborer | Ireland |
| 37 | Mary O'Neil | 50 | Wife | — | Ireland |
| 38 | John J. O'Neil | 28 | Son | Weaver Woolen | Massachusetts |
| 39 | Gertie O'Neil | 22 | Daughter | Sewer | Massachusetts |
| 40 | Hannah O'Neil | 19 | Daughter | Inspector | Massachusetts |
| 41 | Maggie O'Neil | 18 | Daughter | At School | Massachusetts |
| 42 | Nellie O'Neil | 17 | Daughter | Sewer Woolen Goods | Ireland |
| 43 | Thomas Cox | 60 | Head | Watchman | Ireland |
| 44 | Margaret Cox THIS PERSON | 55 | Wife | — | Ireland |
| 45 | Johnie Cox | 26 | Son | Drawing In Card Room | Massachusetts |
| 46 | Mary Cox | 23 | Daughter | Stitcher Hosiery | Massachusetts |
| 47 | Maggie Cox | 18 | Daughter | Speecher Woolen | Massachusetts |
| 48 | Philias Caron | 40 | Head | Packer Hosiery | Canada (Fr) |
| 49 | Adile Caron | 38 | Wife | — | Canada (Fr) |
| 50 | Lea Caron | 17 | Daughter | Stitcher Hosiery | Canada (Fr) |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)