MC
Mary Connolly — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Passaic, New Jersey
Our Model Tree links this Mary Connolly across the 1900 and 1910 US Censuses in Passaic, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1893), then head of a 8-person household.
Age 7
b. ~1893
Female
Daughter
Born: New Jersey
Single
1900 Census Record Details
| Census Year | 1900 |
| Location | Passaic, New Jersey |
| Surname | Connolly |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Birth Month | June |
| Birth Year | 1893 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Paterson City |
| Est. Birth Year | ~1893 |
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.
8 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Thomas Connolly | Son | — | 10 | ~1890 |
| William Connolly | Son | — | 18 | ~1882 |
| Mary Connolly | Daughter | — | 7 | ~1893 |
| Sarah Connolly | Spouse | — | 43 | ~1857 |
| William Connolly | Head | — | 46 | ~1854 |
| Patrick Connolly | Son | — | 23 | ~1877 |
| John Connolly | Son | — | 17 | ~1883 |
| Sarah Connolly | Daughter | — | 14 | ~1886 |
Census Appearances
1900
Passaic, New …
Daughter, age 7
Passaic, New Jersey · implied b. ~1893 — 8 household members
| Surname | Connolly |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Birth Month | June |
| Birth Year | 1893 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1910
Passaic, New …
Daughter, age 16
Passaic, New Jersey · implied b. ~1894 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Connelly |
| Given Name | May |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Connolly across 2 US Census years (1900 and 1910) in Passaic, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Connolly
Daughter · 1900 · age 7 · b. ~1893 · New Jersey
★ You are viewing this record
Sibling
Patrick Connolly
Sibling · 1900 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Connolly
Sibling · 1900 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Connolly
Sibling · 1900 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Connolly
Sibling · 1900 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Connolly
Sibling · 1900 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — Passaic, New Jersey
Open full size
1900 US Federal Census — Passaic, New Jersey
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu992unit:0304)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gertrude R Sweeney | 3 | Daughter | — | New Jersey |
| 2 | Beatrice Sweeney | 1 | Daughter | — | New Jersey |
| 3 | Susan Berdan | 56 | Head | — | New York |
| 4 | Anna M Johnson | 45 | Sister | — | New York |
| 5 | Elizabeth Thomas | 66 | Servant | Seamstress | New York |
| 6 | William E Berdan | 14 | Son | At School | New Jersey |
| 7 | Joseph Zarrell | 39 | Boarder | Brush Maker | New York |
| 8 | John H Olmstead | 61 | Head | — | New York |
| 9 | Nellie Olmstead | 27 | Daughter | — | New Jersey |
| 10 | Peter Horne | 47 | Head | Silk Dyer | New York |
| 11 | Lucinda Horne | 44 | Wife | — | New York |
| 12 | William Horne | 16 | Son | Salesman (Dry Goods) | New York |
| 13 | Mary Horne | 14 | Daughter | At School | New York |
| 14 | Charles Horne | 12 | Son | At School | New York |
| 15 | Margaret Horne | 7 | Daughter | — | New Jersey |
| 16 | Peter Horne | 4 | Son | — | New Jersey |
| 17 | William Connolly | 45 | Head | Janitor | Ireland |
| 18 | Sarah Connolly | 42 | Wife | — | Ireland |
| 19 | Patrick Connolly | 22 | Son | Real Estate Agt | Scotland |
| 20 | William Connolly | 18 | Son | Bank Clerk | Scotland |
| 21 | John L Connolly | 16 | Son | At School | New Jersey |
| 22 | Sarah Connolly | 13 | Daughter | At School | New Jersey |
| 23 | Thomas V Connolly | 10 | Son | At School | New Jersey |
| 24 | Mary M Connolly THIS PERSON | 6 | Daughter | — | New Jersey |
| 25 | Edmond Friedhoff | 40 | Head | Dyer (Silk) | Germany |
| 26 | Elizabeth Friedhoff | 42 | Wife | — | Germany |
| 27 | Gertrude Friedhoff | 15 | Daughter | Silk Winder | Germany |
| 28 | Herbert Friedhoff | 13 | Son | Laborer (Mill) | Germany |
| 29 | Edward Friedhoff | 11 | Son | At School | New Jersey |
| 30 | Morris Friedhoff | 6 | Son | — | New Jersey |
| 31 | Elizabeth Friedhoff | 3 | Daughter | — | New Jersey |
| 32 | George H Griffith | 38 | Head | Salesman (Dry Goods) | Wales |
| 33 | Laura Griffith | 34 | Wife | — | New Jersey |
| 34 | Wilbur P Griffith | 8 | Son | At School | New Jersey |
| 35 | Richard Cranmer | 18 | Boarder | Chemist | New Jersey |
| 36 | Martha Ward | 62 | Head | — | New York |
| 37 | Arthur W Ward | 38 | Son | Brush Mfr | New Jersey |
| 38 | Edward S Ward | 28 | Son | Brush Mfr | New Jersey |
| 39 | Joseph E Ward | 26 | Son | Brush Mfr | New Jersey |
| 40 | Carrie Deignan | 35 | Daughter | — | New Jersey |
| 41 | Charles H Deignan | 11 | Son | At School | New Jersey |
| 42 | Frederick H Deignan | 10 | Son | At School | New Jersey |
| 43 | Emma Ward | 37 | Daughter in law | — | New Jersey |
| 44 | George W Campbell | 73 | Head | Mechanical Engineer | New Jersey |
| 45 | Emie Campbell | 64 | Wife | — | New York |
| 46 | Charles Campbell | 29 | Son | Conductor (R.R.) | New Jersey |
| 47 | John Gass | 40 | Head | — | Switzerland |
| 48 | Emma Gass | 40 | Wife | — | Switzerland |
| 49 | Albert Gass | 27 | Son | Music Teacher | Switzerland |
| 50 | Helen Gass | 19 | Daughter | — | Switzerland |
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)