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Mary Leary — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this Mary Leary across the 1900 and 1910 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1840), then head of a 9-person household.
Age 60
b. ~1840
Female
Head
Born: Ireland
Widowed
1900 Census Record Details
| Census Year | 1900 |
| Location | Suffolk, Massachusetts |
| Surname | Leary |
| Given Name | Mary G |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Birth Month | Mar |
| Birth Year | 1840 |
| Year of Immigration | 1861 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Boston |
| Est. Birth Year | ~1840 |
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.
9 people recorded at the same address in the 1900 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Leary | Head | — | 60 | ~1840 |
| Nellie Burns | Other | — | 7 | ~1893 |
| John Leary | Son | — | 23 | ~1877 |
| Mary Leary | Daughter | — | 31 | ~1869 |
| Sarah Burns | Daughter | — | 27 | ~1873 |
| Margaret Leary | Daughter | — | 18 | ~1882 |
| James Burns | Other | — | 3 | ~1897 |
| James Leary | Son | — | 15 | ~1885 |
| Mary Burns | Other | — | 9 | ~1891 |
Census Appearances
1900
Suffolk, Massachusetts
Head, age 60
Suffolk, Massachusetts · implied b. ~1840 — 9 household members
| Surname | Leary |
| Given Name | Mary G |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Birth Month | Mar |
| Birth Year | 1840 |
| Year of Immigration | 1861 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Suffolk, Massachusetts
Other, age 70
Suffolk, Massachusetts · implied b. ~1840 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leary |
| Given Name | Mary |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Children Born | 4 |
| Children Living | 0 |
| Year of Immigration | 1875 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| 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 Leary across 2 US Census years (1900 and 1910) in Suffolk, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Mary Leary
Head · 1900 · age 60 · b. ~1840 · 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
50 people indexed on this census page (ia:1900:12thcensusofpopu686unit:0183)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Philip Fitzgerald | 36 | Head | Electrician | England |
| 52 | Mary Fitzgerald | 36 | Wife | Electrician | Massachusetts |
| 53 | Alice Fitzgerald | 3 | Daughter | — | Massachusetts |
| 54 | Edward P Fitzgerald | 9 | Son | Attend School | Massachusetts |
| 55 | Thomas Fitzgerald | 7 | Son | Attend School | Massachusetts |
| 56 | George Fitzgerald | 4 | Son | — | Massachusetts |
| 57 | Catherine Fitzgerald | 1 | Daughter | — | Massachusetts |
| 58 | Margaret Hoy | 50 | Head | — | Ireland |
| 59 | Thomas Hoy | 19 | Son | Teamster | Massachusetts |
| 60 | John Harvey | 46 | Head | Day Laborer | Ireland |
| 61 | Margaret Harvey | 37 | Wife | — | Ireland |
| 62 | Agnes Harvey | 10 | Daughter | Attend School | Massachusetts |
| 63 | John J Harvey | 3 | Son | — | Massachusetts |
| 64 | Richard Harvey | 1 | Son | — | Massachusetts |
| 65 | Patrick J Gilligan | 37 | Head | Sub Foreman City Of Boston | Massachusetts |
| 66 | Catherine Gilligan | 31 | Sister | Dressmaker | Massachusetts |
| 67 | Rose Gilligan | 55 | Mother | — | Ireland |
| 68 | John Cunningham | 35 | Head | Teamster | Ireland |
| 69 | Catherine Cunningham | 37 | Wife | — | Ireland |
| 70 | John Cunningham | 13 | Son | Attend School | Massachusetts |
| 71 | William Cunningham | 12 | Son | Attend School | Massachusetts |
| 72 | James Cunningham | 10 | Son | Attend School | Massachusetts |
| 73 | Bernard Cunningham | 7 | Son | Attend School | Massachusetts |
| 74 | Vincent Cunningham | 5 | Son | Attend School | Massachusetts |
| 75 | Michael Holland | 43 | Head | Day Laborer | Ireland |
| 76 | Ellen Holland | 42 | Wife | — | England |
| 77 | Joseph H Holland | 18 | Son | Attend School | England |
| 78 | Thomas A Holland | 16 | Son | Attend School | England |
| 79 | Mary A Holland | 13 | Daughter | Attend School | England |
| 80 | Mary G Leary THIS PERSON | 60 | Head | — | Ireland |
| 81 | Mary G Leary | 30 | Daughter | Chocolate Mill | Massachusetts |
| 82 | Sarah Burns | 27 | Daughter | Chocolate Mill | Massachusetts |
| 83 | John Leary | 23 | Son | Conductor St Ry Co | Massachusetts |
| 84 | Margaret Leary | 18 | Daughter | Chocolate Mill | Massachusetts |
| 85 | James Leary | 15 | Son | Barber | Massachusetts |
| 86 | Mary Burns | 8 | Granddaughter | Attend School | Massachusetts |
| 87 | Nellie Burns | 6 | Granddaughter | Attend School | Massachusetts |
| 88 | James Burns | 2 | Grandson | — | Massachusetts |
| 89 | Michael Conlon | 26 | Head | Day Laborer | Ireland |
| 90 | Margaret Conlon | 29 | Wife | — | Ireland |
| 91 | Margaret Conlon | 7 | Daughter | Attend School | Massachusetts |
| 92 | John Conlon | 6 | Son | Attend School | Massachusetts |
| 93 | Michael Conlon | 4 | Son | — | Massachusetts |
| 94 | William Conlon | 2 | Son | — | Massachusetts |
| 95 | Owen Clancy | 24 | Head | Day Laborer | Ireland |
| 96 | Kate Clancy | 27 | Wife | — | Ireland |
| 97 | Patrick Clancy | 22 | Brother | Day Laborer | Ireland |
| 98 | Patrick Hughes | 33 | Head | Day Laborer | Ireland |
| 99 | Bridget Hughes | 32 | Wife | — | Ireland |
| 100 | Mary E Hughes | 10 | Daughter | At School | 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)