MC
Mary Cassidy — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Hudson, New Jersey
Our Model Tree links this Mary Cassidy across the 1900, 1910 and 1920 US Censuses in Hudson, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1850), then head of a 3-person household.
Age 50
b. ~1850
Female
Head
Born: Ireland
Widowed
1900 Census Record Details
| Census Year | 1900 |
| Location | Hudson, New Jersey |
| Surname | Cassidy |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Birth Month | May |
| Birth Year | 1850 |
| Year of Immigration | 1858 |
| 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 | Fourth Precinct |
| Est. Birth Year | ~1850 |
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 1900 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Cathrine Cassidy | Daughter | — | 27 | ~1873 |
| Annie Cassidy | Daughter | — | 21 | ~1879 |
| Mary Cassidy | Head | — | 50 | ~1850 |
Census Appearances
1900
Hudson, New …
Head, age 50
Hudson, New Jersey · implied b. ~1850 — 3 household members
| Surname | Cassidy |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Birth Month | May |
| Birth Year | 1850 |
| Year of Immigration | 1858 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Hudson, New …
Head, age 59
Hudson, New Jersey · implied b. ~1851 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cassidy |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Children Born | 4 |
| Children Living | 4 |
| Year of Immigration | 1860 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Industry | Private |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Essex, New …
Head, age 68
Essex, New Jersey · implied b. ~1852 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cassidy |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 68 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1871 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| 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 Mary Cassidy across 3 US Census years (1900, 1910 and 1920) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Cassidy
Head · 1900 · age 50 · b. ~1850 · New Jersey
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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 — Hudson, New Jersey
Open full size
1900 US Federal Census — Hudson, New Jersey
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu979unit:0407)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Josephine Berluday | 16 | Servant | Servant | Russia |
| 52 | Mary Barr | 42 | Head | Saleslady | New Jersey |
| 53 | Christina Barr | 11 | Daughter | At School | New Jersey |
| 54 | Mary Barr | 6 | Daughter | At School | New Jersey |
| 55 | Robert Barr | 2 | Son | — | New Jersey |
| 56 | John R Neunans | 32 | Head | Grocer | New Jersey |
| 57 | Cathrine Neunans | 27 | Wife | — | New Jersey |
| 58 | Mary Cassidy THIS PERSON | 50 | Head | — | Ireland |
| 59 | Cathrine Cassidy | 26 | Daughter | Dressmaker | New Jersey |
| 60 | Annie Cassidy | 20 | Daughter | Typewriter | New Jersey |
| 61 | Mary Nennerry | 64 | Head | — | Ireland |
| 62 | Maggie Nennerry | 30 | Daughter | Book Keeper | New Jersey |
| 63 | Mary Nennerry | 25 | Daughter | Dressmaker | New Jersey |
| 64 | Thomas Nennerry | 49 | Brother | Machinist | Ireland |
| 65 | Anastacia Dunn | 45 | Boarder | Book Binder | Ireland |
| 66 | Anton Braunstein | 58 | Head | Wheelwright | Germany |
| 67 | Kuni Braunstein | 57 | Wife | — | Germany |
| 68 | Antone Braunstein | 30 | Son | Wheelwright | New Jersey |
| 69 | Frank Braunstein | 17 | Son | Rr Clerk | New Jersey |
| 70 | Rose Braunstein | 19 | Daughter | — | New Jersey |
| 71 | Owen Mcguin | 67 | Head | Retired | Ireland |
| 72 | Mary Mcguin | 32 | Daughter | — | New Jersey |
| 73 | Lillie Haskins | 24 | G Daughter | — | New Jersey |
| 74 | John Haskins | 22 | G Son | Book Keeper | New Jersey |
| 75 | Owen Haskins | 20 | G Son | Machinist | New Jersey |
| 76 | Owen Kunan | 34 | Head | Fireman City | New York |
| 77 | Mary Kunan | 27 | Wife | — | New Jersey |
| 78 | Joseph Kunan | 7 | Son | At School | New Jersey |
| 79 | Veronica Kunan | 4 | Daughter | — | New Jersey |
| 80 | Clement Kunan | 3 | Son | — | New Jersey |
| 81 | Rose Kunan | 1 | Daughter | — | New Jersey |
| 82 | Anna Kunan | 0 | Daughter | — | New Jersey |
| 83 | Patrick Munn | 33 | Head | Mason | Ireland |
| 84 | Mary Munn | 31 | Wife | — | New Jersey |
| 85 | Edward Munn | 4 | Son | — | New Jersey |
| 86 | James Johnson | 65 | Head | Carpenter | Germany |
| 87 | Reese Johnson | 59 | Wife | — | England |
| 88 | Mabel Johnson | 23 | Daughter | — | New Jersey |
| 89 | James C Johnson | 20 | Son | Day Laborer | New Jersey |
| 90 | Leroy E Ufford | 48 | Head | Sta Engineer | Connecticut |
| 91 | Bessie Ufford | 45 | Wife | — | England |
| 92 | Elizabeth A Ufford | 8 | Daughter | At School | Rhode Island |
| 93 | Edward Corant | 49 | Head | Carpenter | New York |
| 94 | Anna Corant | 36 | Wife | — | Switzerland |
| 95 | Frank Corant | 44 | Brother | Boiler Maker | New York |
| 96 | John Pfiffenberger | 74 | Head | Shoemaker | Germany |
| 97 | John Jr Pfiffenberger | 36 | Son | Porter | New York |
| 98 | William Pfiffenberger | 34 | Son | Day Laborer | New York |
| 99 | George Pfiffenberger | 33 | Son | Electrician | New York |
| 100 | Ida Pfiffenberger | 12 | Daughter | At School | New Jersey |
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)