- [S171] Unknown cd1 household, 1850 United States Federal Census, New Haven, Connecticut, population schedule, Enumeration District (ED) unknown cd3, sheet unknown cd4, National Archives micropublication M432_45,.
- [S209] Waterbury, Connecticut City Directory (CT: Johnson Publishing Company) as viewed on Ancestry.Com . Hereinafter cited as Waterbury, Connecticut City Directory.
- [S719] Dennis Phalen, Naturalization Index ; The District Court of New Haven, New Haven, New Haven County, Connecticut.
- [S815] Deaths and Funerals-Francis Synott Sr., The Waterbury Republican Newspaper, Waterbury, Connecticut, 13 April 1974, Page 2. Hereinafter cited as The Waterbury Republican.
- [S831] Mary Synott, Death Register, (18 July 1913), State of Connecticut Bureau of Vital Statistics, 235 Grand Street, Waterbury, Connecticut, . Hereinafter cited as Mary Synott's Death Registration.
- [S855] Funeral of Bridget Hennessey, The Waterbury Evening Democrat, Waterbury, Connecticut, 14 August 1919, Page Nine. Hereinafter cited as The Waterbury Evening Democrat.
- [S875] Dennis Phalen, Death Register, (10 April 1872), State of Connecticut Bureau of Vital Statistics, 235 Grand Street, Waterbury, Connecticut, . Hereinafter cited as Dennis Phelan's Death Registration.
- [S879] Mary Costigan Phalen, Death Register, (10 December 1892), State of Connecticut Bureau of Vital Statistics, 235 Grand Street, Waterbury, Connecticut, . Hereinafter cited as Mary Phelan's Death Registration.
- [S886] Obituaries-Mary A. Synnott, The Waterbury Democrat, Waterbury, Connecticut, 19 July 1913, Page 2. Hereinafter cited as The Waterbury Democrat.
- [S887] Funeral of Mrs. Frank Synnott, The Waterbury Democrat Newspaper, Waterbury, Connecticut, 21 July 1913. Hereinafter cited as The Waterbury Democrat.
- [S1003] Unknown cd1, Naturalization Index, ; Ancestry.com, Provo, Utah, United States.
- [S1025] City News-Funeral for Mrs. Mary Phalen, The Waterbury Evening Democrat Newspaper, Waterbury, Connecticut, 12 December 1892. Hereinafter cited as The Waterbury Evening Democrat.
- [S1144] City News-Funeral of Patrick Phelan, The Waterbury Evening Democrat Newspaper, Waterbury, Connecticut, 15 OCtober 1896, Page One. Hereinafter cited as The Waterbury Evening Democrat.
- [S1216] "Records of the Provost Marshal General's Bureau (Civil War) : Dennis Phalen", Consolidated Lists of Civil War Draft Registration Records (Provost Marshal General's Bureau); Consolidated Enrollment Lists, 1863-1865; Record Group Numer 110; ARC Identifies: 4213514; Archive Volume Number: 2 of 4 . National Archives, Washington, D. C. as viewed on Ancestry.com. . Hereinafter cited as "Dennis Phalen's Civil War Record."
- [S1258] Mary Ann Phelan's Baptismal Record, (27 September 1868), Immaculate Conception Church Baptisms, Microfiche Spool 156, Page 37, Archdiocese of Hartford Chancery, 134 Farmington Avenue, Hartford, Connecticut. Hereinafter cited as Mary Ann Phelan's Baptismal Record.
- [S1262] Denis Phelan and Mary Costigan marriage, 24 September 1870, in Waterbury Marriages in The Immaculate Conception Church, as viewed on microfiche, Archdiocese of Hartford Chancery, 134 Farmington Avenue, Hartford, Connecticut. Hereinafter cited as Marriages in the Immaculate Conception Church.
- [S1395] Mary Synott entry, Mary Phelan Synott's Death Certificate, State of Connecticut Bureau of Vital Statistics, 235 Grand Street, Waterbury, Connecticut. Hereinafter cited as Mary Synott's Death Certificate.
- [S1527] Hale Collection of Connecticut Cemetery Inscriptions (n.p.: Charles R. Hale) Connecticut State Library. Hereinafter cited as Connecticut, Hale Collections of Cemetery Inscriptions.
- [S1575] Francis Synott(e) sic entry, Birth Registration. (5 March 1899), State of Connecticut Bureau of Vital Statistics, 235 Grand Street, Waterbury, Connecticut.
- [S1589] Joseph Sinotte (sic) entry, Birth Registration. (24 August 1890), State of Connecticut Bureau of Vital Statistics, 235 Grand Street, Waterbury, Connecticut.
- [S1615] Marie Eleanor Synnott entry, Birth Registration. (15 July 1896), State of Connecticut Bureau of Vital Statistics, 235 Grand Street, Waterbury, Connecticut.
- [S1616] Joseph Sinotte, Death Register, (24 August 1890), State of Connecticut Bureau of Vital Statistics, 235 Grand Street, Waterbury, Connecticut, . Hereinafter cited as Joseph Synott's Death Registration.
- [S1641] Wikipedia, The Free Encyclopedia, online https://wikipedia.org. Hereinafter cited as Wikipedia.
- [S1686] Patrick Phelan's Obituary, The Waterbury Evening Democrat Newspaper, Waterbury, Connecticut, 14 October 1896. Hereinafter cited as The Waterbury Evening Democrat.
- [S1706] Frank Synott and Mary Ann Phalen marriage, 21 August 1889, State of Connecticut Bureau of Vital Statistics, 235 Grand Street, Waterbury, Connecticut, Record of Marriages in the Town of Waterbury, 1889. Pages 314-315, Joined in marriage by Farrell Martin.