WO
William Orr — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this William Orr across the 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 8-person household.
Age 16
b. ~1914
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Orr |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Apprentice |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Apprentice |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1914 |
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 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Thomas Dennis | Head | — | 70 | ~1860 |
| Charles Dennis | Son | — | 28 | ~1902 |
| Florence Orr | Daughter | — | 18 | ~1912 |
| Thomas Orr | Son | — | 19 | ~1911 |
| Joseph Dennis | Son | — | 41 | ~1889 |
| Mary Orr | Other | — | 53 | ~1877 |
| William Orr | Son | — | 16 | ~1914 |
| Julia Rooney | Other | — | 55 | ~1875 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age 6
Philadelphia, Pennsylvania · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Orr |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 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 |
1930
Philadelphia, Pennsylvania
Son, age 16
Philadelphia, Pennsylvania · implied b. ~1914 — 8 household members
| Surname | Orr |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Apprentice |
| Industry | Plumbing |
| Class of Worker | W |
| Can Read/Write | 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 William Orr across 2 US Census years (1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Orr
Son · 1930 · age 16 · b. ~1914 · Pennsylvania
★ You are viewing this record
Sibling
Florence Orr
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Dennis
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Dennis
Sibling · 1930 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Orr
Sibling · 1930 · 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
1930 US Federal Census — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2121:0258)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Isaac Cooper | 27 | Wife | — | South Carolina |
| 52 | George Cooper | 55 | Father | — | Alabama |
| 53 | Minnie Daffin | 47 | Head-H | — | Pennsylvania |
| 54 | Jesse Harris | 25 | Head | Janitor | Pennsylvania |
| 55 | Frances Harris | 22 | Wife-H | Maid | Pennsylvania |
| 56 | John Harris | 4 | Son | — | Pennsylvania |
| 57 | Ruth Mildred Harris | 2 | Daughter | — | Pennsylvania |
| 58 | Walter Harris | 1 | Son | — | Pennsylvania |
| 59 | Wesley Mander | 46 | Boarder | Contractor | Pennsylvania |
| 60 | Jacob Silverman | 49 | Head | Stitcher | Galicia, Austria |
| 61 | Clara Silverman | 50 | Wife-H | — | Galicia, Austria |
| 62 | Rose Silverman | 21 | Daughter | Sales-Girl | Pennsylvania |
| 63 | Henry Silverman | 17 | Son | — | Massachusetts |
| 64 | Blanche Silverman | 15 | Daughter | — | Massachusetts |
| 65 | Frances Silverman | 14 | Daughter | — | Massachusetts |
| 66 | James Francis | 21 | Head | Elevator-Boy | Pennsylvania |
| 67 | Dorothy Francis | 21 | Wife-H | — | Pennsylvania |
| 68 | Gladys Francis | 1 | Daughter | — | Pennsylvania |
| 69 | Amelia Francis | 55 | Mother-in-law | — | Pennsylvania |
| 70 | Mitchell Smith | 26 | Head | Chauffeur | North Carolina |
| 71 | Helen Smith | 27 | Wife-H | Maid | Pennsylvania |
| 72 | Mitchell, Jr. Smith | 4 | Son | — | Pennsylvania |
| 73 | John Evans | 52 | Head | Carpenter | North Carolina |
| 74 | Victoria Evans | 37 | Wife-H | Maid | North Carolina |
| 75 | Marie Evans | 11 | Daughter | — | Pennsylvania |
| 76 | Curtis Curry | 23 | Head | Presser | Richmond, Virginia |
| 77 | Betty Curry | 21 | Wife-H | — | Virginia |
| 78 | Howard Curry | 4 | Son | — | Virginia |
| 79 | Wilfred Curry | 3 | Son | — | Virginia |
| 80 | Doris Curry | 1 | Daughter | — | Pennsylvania |
| 81 | Geraldine Curry | 0 | Daughter | — | Pennsylvania |
| 82 | Watkins Curry | 17 | Brother | Presser | Virginia |
| 83 | Benjamin Gardner | 45 | Head | Driver | Roanoke, Virginia |
| 84 | Ida Gardner | 38 | Wife-H | — | Pennsylvania |
| 85 | Benjamin, Jr. Gardner | 19 | Son | Operator | Pennsylvania |
| 86 | Ida Vessey | 22 | Daughter | — | Pennsylvania |
| 87 | Dorothy Vessey | 2 | Daughter | — | Pennsylvania |
| 88 | Thomas Dennis | 70 | Head | Janitor | Pennsylvania |
| 89 | Joseph Dennis | 41 | Son | Helper | Pennsylvania |
| 90 | Charles Dennis | 28 | Son | Clerk-Office | Pennsylvania |
| 91 | Julia Rooney | 55 | Sister | — | Pennsylvania |
| 92 | Mary Orr | 53 | H-Head | — | Pennsylvania |
| 93 | Thomas Orr | 19 | Son | Apprentice | Pennsylvania |
| 94 | Florence Orr | 18 | Daughter | Apprentice | Pennsylvania |
| 95 | William Orr THIS PERSON | 16 | Son | Apprentice | Pennsylvania |
| 96 | Edward Finegan | 23 | Head | Milk-Man | Pennsylvania |
| 97 | Margaret Finegan | 23 | Wife-H | — | Pennsylvania |
| 98 | Edward, Jr. Finegan | 1 | Son | — | Pennsylvania |
| 99 | Elizabeth Orr | 70 | Head-O | — | Pennsylvania |
| 100 | Mary Dennis | 50 | Sister | Star-Maker | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)