KS
Katherine Sullivan — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Hillsborough, New Hampshire
Our Model Tree links this Katherine Sullivan across the 1900, 1910 and 1920 US Censuses in Hillsborough, New Hampshire (XGBoost, ~Confirmed) — first a spouse (b.~1870), then head of a 3-person household.
Age 30
b. ~1870
Female
Spouse
Born: New Hampshire
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Hillsborough, New Hampshire |
| Surname | Sullivan |
| Given Name | Katherine A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Birth Month | Mar |
| Birth Year | 1870 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Township / Ward | Wilton Town |
| Est. Birth Year | ~1870 |
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 Katherine | Age | Birth yr |
|---|---|---|---|---|
| Katherine Sullivan | Spouse | — | 30 | ~1870 |
| May Sullivan | Daughter | — | 7 | ~1893 |
| John Sullivan | Head | — | 30 | ~1870 |
Census Appearances
1900
Hillsborough, New …
Spouse, age 30
Hillsborough, New Hampshire · implied b. ~1870 — 3 household members
| Surname | Sullivan |
| Given Name | Katherine A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Birth Month | Mar |
| Birth Year | 1870 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1910
Hillsborough, New …
Head, age 38
Hillsborough, New Hampshire · implied b. ~1872
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Sullivan |
| Given Name | Kate |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Hillsborough, New …
Head, age 50
Hillsborough, New Hampshire · implied b. ~1870
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Sullivan |
| Given Name | Kate G |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland English |
| Mother's Birthplace | Ireland English |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Katherine Sullivan across 3 US Census years (1900, 1910 and 1920) in Hillsborough, New Hampshire, using XGBoost record linkage.
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This person
Anchor record
Katherine Sullivan
Spouse · 1900 · age 30 · b. ~1870 · New Hampshire
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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 — Hillsborough, New Hampshire
Open full size
1900 US Federal Census — Hillsborough, New Hampshire
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu948unit:1131)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lydia M. Defor | 14 | Daughter | — | New Hampshire |
| 52 | Arthur N. J. Defor | 13 | Son | At School | New Hampshire |
| 53 | George Defor | 2 | Son | — | New Hampshire |
| 54 | Joseph Guyett | 51 | Head | Day Laborer | Canada (Fr) |
| 55 | Clara Guyett | 50 | Wife | — | Canada (Fr) |
| 56 | Almina Guyett | 16 | Daughter | Laborer (Woolen Mill) | Vermont |
| 57 | Frank Guyett | 9 | Son | At School | New Hampshire |
| 58 | Wilfred Guyett | 20 | Son | Woodchopper | Canada (Fr) |
| 59 | Charles F. Boynton | 23 | Boarder | Engine Wiper (R. R.) | Massachusetts |
| 60 | Henry Bishop | 49 | Boarder | Day Laborer | Canada (Fr) |
| 61 | Felix Bishop | 27 | Boarder | Day Laborer | Canada (Fr) |
| 62 | Louis Defor | 69 | Head | Farmer | Canada (Fr) |
| 63 | Emma J. Defor | 48 | Wife | — | Canada (Fr) |
| 64 | Charles J. Defor | 14 | Son | At School | New Hampshire |
| 65 | Margaret Liberty | 66 | Head | — | Canada (Fr) |
| 66 | Thomas Kilkelley | 55 | Head | Laborer (Woolen Mill) | Ireland |
| 67 | Jane Kilkelley | 50 | Wife | — | Ireland |
| 68 | James Kilkelley | 26 | Son | Weaver (Woolen Mill) | New Hampshire |
| 69 | Margaret Kilkelley | 22 | Daughter | Spinner (Woolen Mill) | New Hampshire |
| 70 | Minnie Kilkelley | 16 | Daughter | — | New Hampshire |
| 71 | Delia Kilkelley | 13 | Daughter | At School | New Hampshire |
| 72 | Edward Kilkelley | 10 | Son | At School | New Hampshire |
| 73 | Mary Cain | 80 | Head | — | Ireland |
| 74 | Delia Cain | 45 | Daughter | Spinner (Woolen Mill) | New Hampshire |
| 75 | Mary E. Fitzgerald | 58 | Head | — | Ireland |
| 76 | Margaret A. Fitzgerald | 38 | Daughter | Laborer (Woolen Mill) | New Hampshire |
| 77 | John E. Fitzgerald | 33 | Son | Loom-Fixer (Woolen Mill) | New Hampshire |
| 78 | Mary E. Fitzgerald | 31 | Daughter | Laborer (Woolen Mill) | New Hampshire |
| 79 | William H. Starkey | 36 | Head | Weaver (Woolen Mill) | New Hampshire |
| 80 | Mary A. Starkey | 32 | Wife | — | Massachusetts |
| 81 | Margaret L. Dobbins | 10 | Niece | — | New Hampshire |
| 82 | Nellie B. Sullivan | 13 | Boarder | At School | Massachusetts |
| 83 | Thomas Mcdonald | 23 | Boarder | Weaver (Woolen Mill) | Massachusetts |
| 84 | Alice R. Mcdonald | 22 | Boarder | Weaver (Woolen Mill) | Massachusetts |
| 85 | John Sullivan | 30 | Head | Laborer (Milk Train) | New Hampshire |
| 86 | Katherine A. Sullivan THIS PERSON | 30 | Wife | — | New Hampshire |
| 87 | May M. Sullivan | 7 | Daughter | — | New Hampshire |
| 88 | Michael Morris | 32 | Head | Loom-Fixer (Woolen Mill) | Scotland |
| 89 | Margaret M. Morris | 30 | Wife | — | Ireland |
| 90 | Michael Foley | 50 | Head | Day Laborer | Ireland |
| 91 | Michael Griffin | 54 | Head | Laborer (Woolen Mill) | Ireland |
| 92 | Mary Griffin | 52 | Wife | — | Ireland |
| 93 | Kate T. Griffin | 25 | Daughter | — | New Hampshire |
| 94 | Eliza Quigley | 56 | Head | — | New York |
| 95 | Maude Quigley | 22 | Daughter | Weaver (Woolen Mill) | New Hampshire |
| 96 | Abby E. Quigley | 20 | Daughter | Weaver (Woolen Mill) | New Hampshire |
| 97 | Alfred J. Quigley | 12 | Son | At School | New Hampshire |
| 98 | John O'Donnell | 57 | Head | Farmer | Ireland |
| 99 | Ellen O'Donnell | 51 | Wife | — | Ireland |
| 100 | Alice T. O'Donnell | 26 | Daughter | — | New Hampshire |
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)