- [S1] Find A Grave http://www.findagrave.com
- [S3] 1930 census.
- [S4] 1920 census.
- [S5] 1910 census.
- [S12] Initial information provided by living family member so name withheld for privacy.
- [S13] Pennsylvania Death Certificates 1906-1963 on Ancestry.
- [S14] Social Security Death Index.
- [S15] Pennsylvania and New Jersey Church and Town Records 1708-1985 on Ancestry.
- [S17] Philadelphia a history of the city and its people a record of 225 years - vol 4, Ellis Paxson Oberholtzer, S J Clarke Publishing Co: Philadelphia, 1912 https://archive.org/details/philadelphiahist04ober
- [S18] Prominent and progressive Pennsylvanians of the nineteenth century on FamilySearch, Leland M Williamson, The Record Pub Co: Philadelphia, 1898 https://familysearch.org/search/catalog/40261
- [S19] US City Directories 1821-1989 on Ancestry.
- [S20] Philadelphia Pennsylvania Death Certificates Index 1803-1915 on Ancestry.
- [S21] The Castor Family of Pennsylvania, George Castor Martin, Martin & Allardyce: Frankford PA, 1910 https://archive.org/details/castorfamilyofpe1910mart
- [S22] A Reconstruction of Michael Schoch (1733-1819) Line, James R Murphy, http://www.planetmurphy.org/pagebuild.php?pagebody1=schoch.htm
- [S23] Pennsylvania Archives - Second Series Vol 17, E K Meyers State Printer, : Harrisburg, 1890 https://books.google.com/books?id=KR0UAAAAYAAJ
- [S24] Pennsylvania Archives - Second Series Vol 9, State Printer Lane S Hart, : Harrisburg, 1880 https://books.google.com/books?id=dz0OAAAAIAAJ&pg=PA305
- [S25] Ellis Island http://www.libertyellisfoundation.org