MC
Mary Costello — 1910 US Census Record
Linked across censuses1910 United States Federal Census · New York, New York
Our Model Tree links this Mary Costello across the 1900, 1910, 1920 and 1930 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a spouse (b.~1870), then head of a 7-person household.
Age 40
b. ~1870
Female
Spouse
Born: Ireland
Married
1910 Census Record Details
| Census Year | 1910 |
| Location | New York, New York |
| Surname | Costello |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 20 |
| Children Born | 11 |
| Children Living | 6 |
| Year of Immigration | 1888 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | New York City |
| 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.
7 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Katie Costello | Daughter | — | 5 | ~1905 |
| Mary Costello | Daughter | — | 2 | ~1908 |
| Mary Costello | Daughter | — | 7 | ~1903 |
| John Costello | Head | — | 40 | ~1870 |
| William Costello | Son | — | 9 | ~1901 |
| John Costello | Son | — | 12 | ~1898 |
| Mary Costello | Spouse | — | 40 | ~1870 |
Census Appearances
1900
New York, …
Spouse, age 32
New York, New York · implied b. ~1868 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costello |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Mar |
| Birth Year | 1868 |
| Year of Immigration | 1889 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
New York, …
Spouse, age 40
New York, New York · implied b. ~1870 — 7 household members
| Surname | Costello |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 20 |
| Children Born | 11 |
| Children Living | 6 |
| Year of Immigration | 1888 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
New York, …
Spouse, age 50
New York, New York · implied b. ~1870 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Costello |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1889 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
New York, …
Other, age 60
New York, New York · implied b. ~1870 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | COSTELLO |
| Given Name | MARGARET |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 30 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Piano Teacher |
| Industry | Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| 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 Costello across 4 US Census years (1900, 1910, 1920 and 1930) in New York, New York, using XGBoost record linkage.
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This person
Anchor record
Mary Costello
Spouse · 1910 · age 40 · b. ~1870 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1910 US Federal Census — New York, New York
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1910 US Federal Census — New York, New York
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po1013unit:0901)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James Collins | 28 | Head | Peddler | New York |
| 52 | George Collins | 28 | Boarder | Peddler | New York |
| 53 | George Collins | 20 | Boarder | Peddler | New York |
| 54 | Thomas Collins | 20 | Boarder | Peddler | New York |
| 55 | Nicholas Collins | 20 | Boarder | — | New York |
| 56 | James Collins | 20 | Boarder | — | New York |
| 57 | John Dixon | 32 | Head | Clergyman | Ireland |
| 58 | Charles Dixon | 27 | Son | — | Ireland |
| 59 | Julia Dixon | 31 | Wife | — | Ireland |
| 60 | Michael Dixon | 36 | Father | Driller | Ireland |
| 61 | Teresa Dixon | 26 | Wife | — | Ireland |
| 62 | Margaret Dixon | 6 | Daughter | — | New York |
| 63 | Joseph Dixon | 4 | Son | — | New York |
| 64 | John Dixon | 2 | Son | — | New York |
| 65 | John Costello | 40 | Head | Laborer | Ireland |
| 66 | Mary Costello THIS PERSON | 40 | Wife | — | Ireland |
| 67 | John Costello | 12 | Son | — | New Jersey |
| 68 | William Costello | 9 | Son | — | New Jersey |
| 69 | Mary Costello | 7 | Daughter | — | New York |
| 70 | Katie Costello | 5 | Daughter | — | New York |
| 71 | Mary Costello | 2 | Daughter | — | New Jersey |
| 72 | Charles Armstrong | 42 | Head | Porter | New York |
| 73 | Mary Armstrong | 37 | Wife | — | New York |
| 74 | Sarah Armstrong | 15 | Daughter | — | New York |
| 75 | Mary Armstrong | 12 | Daughter | — | New York |
| 76 | Francis Graham | 55 | Head | Chef | New York |
| 77 | Ellen Graham | 53 | Wife | — | England |
| 78 | Thomas Graham | 20 | Son | — | New York |
| 79 | James Zarilli | 41 | Head | Coal Dealer | Italy |
| 80 | Alice Zarilli | 38 | Wife | — | Italy |
| 81 | William Zarilli | 17 | Son | — | New York |
| 82 | Mamie Zarilli | 15 | Daughter | Ironer | Italy |
| 83 | Rose Zarilli | 12 | Daughter | — | New York |
| 84 | Katie Zarilli | 8 | Daughter | — | New York |
| 85 | Carmela Zarilli | 5 | Daughter | — | New York |
| 86 | Mary Zarilli | 2 | Daughter | — | New York |
| 87 | Gis Giuseppe | 35 | Head | Foreman | Italy |
| 88 | Rose Giuseppe | 28 | Wife | — | Italy |
| 89 | Carmela Giuseppe | 7 | Daughter | — | New York |
| 90 | Carmela Giuseppe | 5 | Daughter | — | New York |
| 91 | Mary Giuseppe | 2 | Daughter | — | New York |
| 92 | John Giuseppe | 0 | Son | — | New York |
| 93 | James Cavallo | 50 | Head | Floor Man | Italy |
| 94 | Rose Cavallo | 40 | Wife | Cook | Italy |
| 95 | Joseph Cavallo | 17 | Son | — | New York |
| 96 | Rose Cavallo | 12 | Daughter | Helper | New York |
| 97 | John Cavallo | 5 | Son | — | New York |
| 98 | James Cavallo | 50 | Head | Gateman | Italy |
| 99 | Rose Cavallo | 35 | Wife | — | Italy |
| 100 | Carmella Cavallo | 10 | Daughter | — | New York |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)