MD
Mary Davidson — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Mary Davidson across the 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1900), then head of a 8-person household.
Age 10
b. ~1900
Female
Daughter
Born: Pennsylvania
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Philadelphia, Pennsylvania |
| Surname | Davidson |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1900 |
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 |
|---|---|---|---|---|
| Clara Davidson | Daughter | — | 9 | ~1901 |
| Ovila Davidson | Daughter | — | 2 | ~1908 |
| Mary Davidson | Daughter | — | 10 | ~1900 |
| Margaret Davidson | Daughter | — | 12 | ~1898 |
| Thomas Davidson | Head | — | 33 | ~1877 |
| Charles Davidson | Son | — | 7 | ~1903 |
| Conrad Davidson | Son | — | 4 | ~1906 |
| Ovilla Davidson | Spouse | — | 32 | ~1878 |
Census Appearances
1910
Philadelphia, Pennsylvania
Daughter, age 10
Philadelphia, Pennsylvania · implied b. ~1900 — 8 household members
| Surname | Davidson |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Philadelphia, Pennsylvania
Daughter, age 21
Philadelphia, Pennsylvania · implied b. ~1899 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | Mabel M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | dressmaker |
| Industry | at home |
| Class of Worker | OA |
| 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 Davidson across 2 US Census years (1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Davidson
Daughter · 1910 · age 10 · b. ~1900 · Pennsylvania
★ You are viewing this record
Sibling
Charles Davidson
Sibling · 1910 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Conrad Davidson
Sibling · 1910 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Davidson
Sibling · 1910 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ovila Davidson
Sibling · 1910 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Davidson
Sibling · 1910 · age 12
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 — Philadelphia, Pennsylvania
Open full size
1910 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po1392unit:1114)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mamie Mcclure | 12 | Niece | — | Pennsylvania |
| 52 | James O'Neill | 42 | Boarder | Driver | Pennsylvania |
| 53 | Joseph Chamberlain | 25 | Boarder | Boarder | Pennsylvania |
| 54 | Hugh Gratten | 47 | Head | Plasterer | Ir English |
| 55 | Alice R Gratten | 40 | Wife | — | Pennsylvania |
| 56 | Hugh Jr Gratten | 27 | Son | Plasterer | Pennsylvania |
| 57 | Thomas Gratten | 21 | Son | Plasterer | Pennsylvania |
| 58 | Joseph Gratten | 13 | Son | — | Pennsylvania |
| 59 | Trudy Gratten | 11 | Daughter | — | Pennsylvania |
| 60 | Ellis Mcmaster | 12 | Stepson | — | Pennsylvania |
| 61 | James Bruno | 59 | Boarder | Plasterer | Pennsylvania |
| 62 | Thomas Davidson | 33 | Head | Cooper | Pennsylvania |
| 63 | Ovilla Davidson | 32 | Wife | — | Pennsylvania |
| 64 | Margaret Davidson | 12 | Daughter | — | Pennsylvania |
| 65 | Mary A Davidson THIS PERSON | 10 | Daughter | — | Pennsylvania |
| 66 | Clara Davidson | 9 | Daughter | — | Pennsylvania |
| 67 | Charles J Davidson | 7 | Son | — | Pennsylvania |
| 68 | Conrad L Davidson | 4 | Son | — | Pennsylvania |
| 69 | Ovila Davidson | 2 | Daughter | — | Pennsylvania |
| 70 | Fred Robert | 38 | Head | Paint Mixer | Pennsylvania |
| 71 | Margaret Robert | 33 | Wife | — | Pennsylvania |
| 72 | Robert G Jr Robert | 11 | Son | — | Pennsylvania |
| 73 | William G Robert | 6 | Son | — | Pennsylvania |
| 74 | Samuel Robert | 3 | Son | — | Pennsylvania |
| 75 | Julian Przybyleki | 33 | Head | Sawyer | Russ-Polish |
| 76 | Sophia Przybyleki | 24 | Wife | — | Russ-Polish |
| 77 | Straslawa Przybyleki | 5 | Daughter | — | Pennsylvania |
| 78 | Helena Przybyleki | 4 | Daughter | — | Pennsylvania |
| 79 | Wladzlaw Szumansky | 28 | Boarder | Laborer | Russ-Polish |
| 80 | Stanislaw Szczepanki | 24 | Head | Helper | Russ-Polish |
| 81 | Wladislawa Szczepanki | 22 | Wife | — | Russ-Polish |
| 82 | John Lounski | 23 | Head | Laborer | Russ-Polish |
| 83 | Mary Lounski | 21 | Wife | — | Russ-Polish |
| 84 | Ellie Lounski | 1 | Daughter | — | Pennsylvania |
| 85 | Joseph Colenkirosz | 35 | Head | Laborer | Russ-Polish |
| 86 | Becky Colenkirosz | 25 | Wife | — | Russ-Polish |
| 87 | Joseph Jr Colenkirosz | 4 | Son | — | Pennsylvania |
| 88 | William Colenkirosz | 2 | Son | — | Pennsylvania |
| 89 | Louis Colenkirosz | 70 | Father | — | Russ-Polish |
| 90 | William Zielinski | 20 | Boarder | Laborer | Russ-Polish |
| 91 | Anna Larkin | 52 | Head | — | Pennsylvania |
| 92 | Mary H Larkin | 20 | Daughter | Knitter | Pennsylvania |
| 93 | Agnes E Larkin | 16 | Daughter | Folder | Pennsylvania |
| 94 | Margaret C Larkin | 12 | Daughter | — | Pennsylvania |
| 95 | John Mcgovern | 38 | Head | Iron Worker | Pennsylvania |
| 96 | Helen B Mcgovern | 36 | Wife | — | Pennsylvania |
| 97 | John Jr Mcgovern | 7 | Son | — | Pennsylvania |
| 98 | John Duffy | 60 | Head | Laborer | Ir English |
| 99 | Bridget Duffy | 60 | Wife | — | Ir English |
| 100 | John Zawiscki | 32 | Head | Laborer | Russ-Polish |
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)