SC
Sarah Cox — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Sarah Cox across the 1920, 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents Edward & Edward — first a daughter (b.~1919), then head of a 9-person household.
Age 11
b. ~1919
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Cox |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | School |
| Industry | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | School |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1919 |
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 1930 census.
| Name | Relation to head | Relative to Sarah | Age | Birth yr |
|---|---|---|---|---|
| Cath Cox | Daughter | — | 2 | ~1928 |
| Edw Cox | Head | — | 37 | ~1893 |
| James Cox | Son | — | 8 | ~1922 |
| Robert Cox | Son | — | 4 | ~1926 |
| Sarah Cox | Daughter | — | 11 | ~1919 |
| Sarah Cox | Spouse | — | 34 | ~1896 |
| Elizabeth Friel | Other | — | 18 | ~1912 |
| Edw Cox | Son | — | 13 | ~1917 |
| Joseph Cox | Son | — | 7 | ~1923 |
Census Appearances
1920
Philadelphia, Pennsylvania
Daughter, age 1
Philadelphia, Pennsylvania · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Daughter, age 11
Philadelphia, Pennsylvania · implied b. ~1919 — 9 household members
| Surname | Cox |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | School |
| Industry | none |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Spouse, age 21
Philadelphia-County, Pennsylvania · implied b. ~1919 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Silvia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | New Worker |
| Highest Grade | H 1 |
| 1935 Residence | Same Place |
| 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 Sarah Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Cox (~0.92 confidence) and father Edward Cox (~0.83 confidence) and mother Kate Cox (~0.83 confidence) and mother Sarah Cox (~0.92 confidence). The pedigree spans 2 generations with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.88
Father
Edward Cox
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Edward Cox
b. ~1853
Source father>father
● Household
· direct · ~0.83
Mother
Kate Cox
b. ~1868
Source father>mother
● Household
· direct · ~0.83
Mother
Sarah Cox
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Sarah Cox
Daughter · 1930 · age 11 · b. ~1919 · Pennsylvania
★ You are viewing this record
Sibling
Cath Cox
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edw Cox
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Cox
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cox
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cox
Sibling · 1930 · age 4
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:fifteenthcensus00reel2124:0325)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Lawrence O'Malley | 10 | Son | School | Pennsylvania |
| 52 | Thos. Keely | 40 | Head | Foreman | Penna. State |
| 53 | Bridget Keely | 38 | Wife | None | Penna. State |
| 54 | Margt. Keely | 9 | Daughter | None | Pennsylvania |
| 55 | Cath. Keely | 3 | Daughter | None | Pennsylvania |
| 56 | Roland Hamilton | 34 | Head | Labour | Pennsylvania |
| 57 | Martha Hamilton | 34 | Wife | None | Pennsylvania |
| 58 | Martha J. Hamilton | 10 | Daughter | School | Pennsylvania |
| 59 | Roland Jr. Hamilton | 7 | Son | School | Pennsylvania |
| 60 | Joseph Robinson | 35 | Head | Carpenter | Pennsylvania |
| 61 | Ada Robinson | 34 | Wife | None | Pennsylvania |
| 62 | Ralph Robinson | 11 | Son | School | Pennsylvania |
| 63 | Vacant | None | — | — | — |
| 64 | Vacant | None | — | — | — |
| 65 | Ivar Myhus | 42 | Head | Seaman | Norway |
| 66 | Louisa Myhus | 37 | Wife | None | Wales |
| 67 | Ivar Leslie Myhus | 1 | Son | None | Pennsylvania |
| 68 | Raymond Ivar Myhus | 5 | Son | None | Wales |
| 69 | Martha Sybil Davies | 14 | Step-dau | None | Wales |
| 70 | Albert Mcneill | 22 | Head | Labour | Pennsylvania |
| 71 | Sarah Mcneill | 20 | Wife | None | Pennsylvania |
| 72 | Albert Jr. Mcneill | 1 | Son | None | Pennsylvania |
| 73 | Geo. Saylor | 43 | Head | Blacksmith | Pennsylvania |
| 74 | Edith Saylor | 37 | Wife | Maid | Pennsylvania |
| 75 | Harriet Saylor | 13 | Daughter | School | Pennsylvania |
| 76 | Edith M. Saylor | 11 | Daughter | School | Pennsylvania |
| 77 | Mildred Saylor | 10 | Daughter | School | Pennsylvania |
| 78 | Michael Gaynor | 37 | Head | Fireman | Pennsylvania |
| 79 | Margt. Gaynor | 35 | Wife | None | Pennsylvania |
| 80 | Mich. Jr. Gaynor | 3 | Son | None | Pennsylvania |
| 81 | Jos. Gaynor | 1 | Son | None | Pennsylvania |
| 82 | Wm. Mcconnick | 34 | Head | Dealer | Pennsylvania |
| 83 | Anna A. Mcconnick | 60 | Mother | None | Ireland |
| 84 | Florence Walout | 31 | Sister | None | Pennsylvania |
| 85 | Wm. Walout | 13 | Nephew | School | Pennsylvania |
| 86 | Edw. Cox | 37 | Head | Chauffer | Pennsylvania |
| 87 | Sarah M. Cox | 34 | Wife | None | Pennsylvania |
| 88 | Edw. Jr. Cox | 13 | Son | School | Pennsylvania |
| 89 | Sarah Cox THIS PERSON | 11 | Daughter | School | Pennsylvania |
| 90 | James Cox | 8 | Son | School | Pennsylvania |
| 91 | Joseph Cox | 7 | Son | School | Pennsylvania |
| 92 | Robert Cox | 4 | Son | School | Pennsylvania |
| 93 | Cath. Cox | 2 | Daughter | None | Pennsylvania |
| 94 | Elizabeth Friel | 18 | Niece | None | Pennsylvania |
| 95 | James Mcmullen | 31 | Head | Metal Worker | Pennsylvania |
| 96 | Margt. Mcmullen | 26 | Wife | None | Pennsylvania |
| 97 | James Mcmullen | 10 | Son | School | Pennsylvania |
| 98 | Joseph Mcmullen | 8 | Son | School | Pennsylvania |
| 99 | Florence Mcmullen | 7 | Daughter | School | Pennsylvania |
| 100 | Robert Mcmullen | 6 | Son | None | Pennsylvania |
Related Census Records
Pedigree Summary
Sarah + 5 siblings
Gen 1 · 2 parents
~0.92
Gen 2 · 2 grandparents
~0.83
Max depth 4 (1900–1950 window)
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)