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Mary Grant — 1910 US Census Record
Model Tree available1910 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Mary Grant across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Samuel & Mary — first a daughter (b.~1895), then head of a 8-person household.
Age 15
b. ~1895
Female
Daughter
Born: Pennsylvania
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Allegheny, Pennsylvania |
| Surname | Grant |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Washington Precinct No 1 |
| Est. Birth Year | ~1895 |
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 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Margaret Grant | Daughter | — | 8 | ~1902 |
| Mary Grant | Daughter | — | 15 | ~1895 |
| Samuel Grant | Head | — | 51 | ~1859 |
| William Grant | Son | — | 19 | ~1891 |
| Charles Grant | Son | — | 21 | ~1889 |
| Joseph Grant | Son | — | 13 | ~1897 |
| Wilbur Grant | Son | — | 18 | ~1892 |
| Mary Grant | Spouse | — | 48 | ~1862 |
Census Appearances
1900
Allegheny, Pennsylvania
Daughter, age 5
Allegheny, Pennsylvania · implied b. ~1895 — 24 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | Dec |
| Birth Year | 1895 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Daughter, age 15
Allegheny, Pennsylvania · implied b. ~1895 — 8 household members
| Surname | Grant |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Daughter, age 25
Allegheny, Pennsylvania · implied b. ~1895 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grant |
| Given Name | Mamie L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Operator |
| Industry | Telephone Company |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Grant across 3 US Census years (1900, 1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father Samuel Grant (~0.92 confidence) and mother Mary Grant (~0.92 confidence) and mother Mary Grant (~0.92 confidence) and mother Catherine Grant (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Grant
b. ~1859
Source father
● Household
· direct · ~0.92
Mother
Mary Grant
b. ~1862
Source mother
● Household
· direct · ~0.92
Mother
Mary Grant
b. ~1863
Source mother
● Household
· direct · ~0.92
Mother
Catherine Grant
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Grant
Daughter · 1910 · age 15 · b. ~1895 · Pennsylvania
★ You are viewing this record
Sibling
Joseph Grant
Sibling · 1910 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Grant
Sibling · 1910 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilbur Grant
Sibling · 1910 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Grant
Sibling · 1910 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Grant
Sibling · 1910 · age 19
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
1910 US Federal Census — Allegheny, Pennsylvania
Open full size
1910 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po1347unit:0120)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Silva Sirky | 5 | Daughter | — | Pennsylvania |
| 52 | Erna Sirky | 2 | Daughter | — | Pennsylvania |
| 53 | Balduchy Marino | 23 | Boarder | Miner | It. Italian |
| 54 | Pietro Tisi | 23 | Boarder | Miner | It. Italian |
| 55 | Franny Tazaligohy | 34 | Boarder | Miner | It. Italian |
| 56 | E. C. Scott | 39 | Head | Photographer | Pennsylvania |
| 57 | Isadora Scott | 32 | Wife | — | Pennsylvania |
| 58 | Gordon E. Scott | 10 | Son | — | Pennsylvania |
| 59 | James S. Smalley | 44 | Head | Miner | Pennsylvania |
| 60 | Kate Smalley | 40 | Wife | — | Pennsylvania |
| 61 | James B. Smalley | 19 | Son | Miner | Pennsylvania |
| 62 | Angelo Vitullo | 50 | Head | Laborer | It. Italian |
| 63 | Mary Vitullo | 36 | Wife | — | It. Italian |
| 64 | Mildred Vitullo | 13 | Daughter | — | Pennsylvania |
| 65 | Joseph Vitullo | 11 | Son | Laborer | Pennsylvania |
| 66 | Hefando Rozanita | 25 | Son in law | — | It. Italian |
| 67 | Mary Rozanita | 18 | Daughter | — | Pennsylvania |
| 68 | Josephine Rozanita | 0 | Granddaughter | — | Pennsylvania |
| 69 | Charles Smith | 23 | Head | Miner | Pennsylvania |
| 70 | Sarah Smith | 25 | Wife | — | Pennsylvania |
| 71 | Everett Smith | 1 | Son | — | Pennsylvania |
| 72 | Jacob Jackson | 44 | Head | Miner | Finland |
| 73 | Elizabeth Jackson | 38 | Wife | — | Fin. Finnish |
| 74 | Jacob Jackson | 11 | Son | — | Pennsylvania |
| 75 | Larry Jackson | 9 | Son | — | Ohio |
| 76 | Bill Jackson | 4 | Son | — | Ohio |
| 77 | Elizabeth Jackson | 1 | Daughter | — | Pennsylvania |
| 78 | Isaac Mackey | 49 | Head | Miner | Fin. Finnish |
| 79 | Fanny Mackey | 47 | Wife | — | Fin. Finnish |
| 80 | Isaac Mackey | 8 | Son | — | Pennsylvania |
| 81 | Helen Mackey | 6 | Daughter | — | Pennsylvania |
| 82 | Victor Mackey | 5 | Son | — | Pennsylvania |
| 83 | Ina Mackey | 2 | Daughter | — | Pennsylvania |
| 84 | Samuel Grant | 51 | Head | Miner | Pennsylvania |
| 85 | Mary H. Grant | 48 | Wife | — | Pennsylvania |
| 86 | Charles Grant | 21 | Son | Clerk | Pennsylvania |
| 87 | William Grant | 19 | Son | Miner | Pennsylvania |
| 88 | Wilbur Grant | 18 | Son | Miner | Pennsylvania |
| 89 | Mary Grant THIS PERSON | 15 | Daughter | — | Pennsylvania |
| 90 | Joseph Grant | 13 | Son | — | Pennsylvania |
| 91 | Margaret Grant | 8 | Daughter | — | Pennsylvania |
| 92 | Samuel Mollard | 53 | Head | Laborer | Eng. |
| 93 | Annie Mollard | 47 | Wife | — | Eng. |
| 94 | Herbert Mollard | 20 | Son | Miner | Pennsylvania |
| 95 | Elizabeth Mollard | 18 | Daughter | — | Pennsylvania |
| 96 | Maud Mollard | 16 | Daughter | — | Pennsylvania |
| 97 | Samuel Mollard | 14 | Son | — | Pennsylvania |
| 98 | William Mollard | 13 | Son | — | Pennsylvania |
| 99 | Annie Mollard | 10 | Daughter | — | Pennsylvania |
| 100 | Robert Mollard | 8 | Son | — | Pennsylvania |
Pedigree Summary
Mary + 5 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)