JF
John Flaherty — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this John Flaherty across the 1900, 1910 and 1920 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1850), then head of a 6-person household.
Age 50
b. ~1850
Male
Head
Born: Ireland
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | Suffolk, Massachusetts |
| Surname | Flaherty |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | June |
| Birth Year | 1850 |
| Year of Immigration | 1871 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Carpenter |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Carpenter |
| Township / Ward | Boston |
| 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.
6 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Catherine Flaherty | Spouse | — | 48 | ~1852 |
| Peter Flaherty | Son | — | 20 | ~1880 |
| Catherine Driscoll | Other | — | 24 | ~1876 |
| John Flaherty | Head | — | 50 | ~1850 |
| William Flaherty | Son | — | 17 | ~1883 |
| Ellen Flaherty | Daughter | — | 3 | ~1897 |
Census Appearances
1900
Suffolk, Massachusetts
Head, age 50
Suffolk, Massachusetts · implied b. ~1850 — 6 household members
| Surname | Flaherty |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | June |
| Birth Year | 1850 |
| Year of Immigration | 1871 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Carpenter |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Suffolk, Massachusetts
Other, age 62
Suffolk, Massachusetts · implied b. ~1848 — 34 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | John |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1868 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Street work |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Suffolk, Massachusetts
Other, age 74
Suffolk, Massachusetts · implied b. ~1846 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flaherty |
| Given Name | John |
| Relationship to Head | Inmate |
| Sex | M |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | Un |
| 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 John Flaherty across 3 US Census years (1900, 1910 and 1920) in Suffolk, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
John Flaherty
Head · 1900 · age 50 · b. ~1850 · 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 — Suffolk, Massachusetts
Open full size
1900 US Federal Census — Suffolk, Massachusetts
Page Contents
49 people indexed on this census page (ia:1900:12thcensusofpopu682unit:0216)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Rockle Teducco | 7 | Son | At School | Massachusetts |
| 52 | Grailda Teducco | 2 | Daughter | — | Massachusetts |
| 53 | David Noman | 70 | Head | Day Laborer | Ireland |
| 54 | Mary Noman | 38 | Daughter | Day Laborer | Massachusetts |
| 55 | Richard Noman | 36 | Son | Day Laborer | Massachusetts |
| 56 | Mary E Holthouse | 41 | Head | Wash Woman | Germany |
| 57 | John J Holthouse | 13 | Son | At School | Massachusetts |
| 58 | Louisa Holthouse | 22 | Daughter | Switch Maker | Massachusetts |
| 59 | James M Quirk | 30 | Head | Bar Tender | Ireland |
| 60 | Mary Quirk | 29 | Wife | — | Ireland |
| 61 | John J Quirk | 7 | Son | At School | Massachusetts |
| 62 | Margaret Quirk | 4 | Daughter | — | Massachusetts |
| 63 | Lillian Quirk | 1 | Daughter | — | Massachusetts |
| 64 | Jeremiah Quirk | 26 | Boarder | Day Laborer | Ireland |
| 65 | John Quirk | 30 | Boarder | Day Laborer | Ireland |
| 66 | John Hand | 65 | Head | Day Laborer | Ireland |
| 67 | Barbara Hand | 65 | Wife | — | Ireland |
| 68 | John Hand | 30 | Son | Day Laborer | Massachusetts |
| 69 | Coleman Hand | 26 | Son | House Painter | Massachusetts |
| 70 | Margaret Sheehan | 82 | Head | — | Ireland |
| 71 | Thomas Sheehan | 53 | Son | Bricklayer | Ireland |
| 72 | John Sheehan | 33 | Son | Day Laborer | Massachusetts |
| 73 | Timothy Mccarthy | 50 | Head | Ice Dealer | Massachusetts |
| 74 | Bridget Mccarthy | 50 | Sister | — | Massachusetts |
| 75 | Patrick Connor | 28 | Head | Day Laborer | Ireland |
| 76 | Julia Connor | 25 | Wife | — | Ireland |
| 77 | Dennis J Connor | 1 | Son | — | Massachusetts |
| 78 | John Collins | 26 | B in law | R. R. Laborer | Ireland |
| 79 | Bernhard G Diedrich | 54 | Head | Color Mixer | Germany |
| 80 | Theresa Diedrich | 44 | Wife | — | Massachusetts |
| 81 | Charles G Diedrich | 24 | Son | Machinist | Massachusetts |
| 82 | Louisa H Diedrich | 22 | Daughter | Book Folder | Massachusetts |
| 83 | William J Diedrich | 18 | Son | Day Laborer | Massachusetts |
| 84 | Johanna J Diedrich | 17 | Daughter | Hammock Maker | Massachusetts |
| 85 | Thomas Turner | 33 | Head | Iron Molder | Ireland |
| 86 | Annie Turner | 33 | Wife | — | Ireland |
| 87 | John J Flaherty THIS PERSON | 49 | Head | Carpenter | Ireland |
| 88 | Catherine Flaherty | 47 | Wife | — | Ireland |
| 89 | Peter Flaherty | 19 | Son | Machinist | Massachusetts |
| 90 | Catherine Driscoll | 23 | Aunt | — | Massachusetts |
| 91 | William Flaherty | 16 | Son | Cash Boy | Massachusetts |
| 92 | Ellen G Flaherty | 2 | Daughter | — | Massachusetts |
| 93 | Michael J Mcgrath | 58 | Head | Blacksmith | Ireland |
| 94 | Margaret Mcgrath | 48 | Wife | — | Ireland |
| 95 | Michael J Mcgrath | 28 | Son | Barber | Massachusetts |
| 96 | Mary E Mcgrath | 24 | Daughter | — | Massachusetts |
| 97 | Edward J Mcgrath | 22 | Son | Leather Sorter | Massachusetts |
| 98 | Edward Mooney | 55 | Head | Blacksmith | Ireland |
| 99 | Theresa N Mooney | 34 | Daughter | — | Massachusetts |
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)