- [S221] Benjamin Rigg, Birth Certificate File Number 452 (24 February 1865), General Register Office, P.O. Box 2, Southport, Merseyside PR8 2JD, England.
- [S222] Edward Rigg, Birth Certificate File Number 453 (24 February, 1865), General Register Office, P.O. Box 2, Southport, Merseyside PR8 2JD, England.
- [S224] Thomas Rigg, Birth Certificate File Number 128 (25 June 1852), General Register Office, P.O. Box 2, Southport, Merseyside PR8 2JD, England.
- [S225] John Ashburner Rigg, Birth Certificate File Number 159 (30 June 1854), General Register Office, P.O. Box 2, Southport, Merseyside PR8 2JD, England.
- [S228] William Robert Rigg, Birth Certificate File Number 239 (21 March 1863), General Register Office, P.O. Box 2, Southport, Merseyside PR8 2JD, England.
- [S230] William Rigg and Margaret Agnes Rodgers' Marriage Certificate, General Register Office, P.O. Box 2, Southport, Merseyside PR8 2JD, England. Hereinafter cited as William and Margaret Rigg's Marriage Certificate.
- [S231] The Donnithorne Rigg Family Tree, online www.ancestry.com. Hereinafter cited as The Donnithorne Rigg Family Tree.
- [S512] Unknown cd1 household, 1901 England Census, Town of unknown cd2, Lancashire County, Class unknown cd3; Piece unknown cd4; Folio unknown cd5; Page unknown cd6; GSU Roll unknown cd7, as viewed on Ancestry.com.
- [S515] Letter from Nelle Large (19 Belerhue Gardens, Oakwood, Southgate, London N14 4TS) to Phyllis Bruce, 16 December, 2005 31 December 1991; Taryn L. Phelan (221 Westwood Avenue, Waterbury, Connecticut) copy.
- [S539] John Ashburner Rigg, British Isles Vital Records Index, Second Edition, Christening FHL Film 1471899 (1692-1890), The Church of Jesus Christ of Latter-Day Saints, Salt Lake City, Utah.
- [S540] Joseph Rigg and Mary Eleanor Postlethwaite, British Isles Vital Records Index, Second Edition, Marriage FHL Film 1471900 (1863-1905), The Church of Jesus Christ of Latter-Day Saints, Salt Lake City, Utah.
- [S541] Reuben Octiavius and Mary Hannah Comber, British Isles Vital Records Index, Second Edition, Marriage FHL Film 1471900 (1863-1905), The Church of Jesus Christ of Latter-Day Saints, Salt Lake City, Utah.
- [S543] Alfred Whitehouse and Ruth Ann Rigg, British Isles Vital Records Index, Second Edition, Marriage FHL Film 1471900 (1863-1905), The Church of Jesus Christ of Latter-Day Saints, Salt Lake City, Utah.
- [S587] British Phone Books, 1880-1984 (London, England: BT Archives) as viewed on Ancestry.com. Hereinafter cited as British Phone Books, 1880-1984.
- [S790] John Rigg will (26 May 1887), Last Will and Testament of John Rigg, Cumbria Record Office and Local Studies Library, Barrow, Cumbria, England. Hereinafter cited as Will of John Rigg.
- [S791] Ruth Pearson Rigg will (21 January 1897), Last Will and Testament of Ruth Pearson Rigg, Cumbria Record Office and Local Studies Library, Barrow, Cumbria, England. Hereinafter cited as Will of Ruth Rigg.
- [S799] Lynn Ransom Burton, compiler, Baptisms at St. Mary in the Parish of Dalton in Furness, 1856-1859 (www.lan-opc.org.uk: Lancashire Online Parish Clerks, 5 September 2004). Hereinafter cited as Baptisms at St. Mary, Dalton in Furness, 1856-1859.
- [S800] Lynn Ransom Burton, compiler, Baptisms at St. Mary in the Parish of Dalton in Furness, 1859-1866 (www.lan-opc.org.uk: Lancashire Online Parish Clerks, 5 September 2004). Hereinafter cited as Baptisms at St. Mary, Dalton in Furness, 1859-1866.
- [S801] Lynn Ransom Burton, compiler, Baptisms at St. Mary in the Parish of Dalton in Furness, 1866-1871 (www.lan-opc.org.uk: Lancashire Online Parish Clerks, 5 September 2004). Hereinafter cited as Baptisms at St. Mary, Dalton in Furness, 1866-1871.
- [S804] Septimus Pearson Rigg, Birth Certificate File Number 65 (8 September 1869), General Register Office, P.O. Box 2, Southport, Merseyside PR8 2JD, England.
- [S844] Elsie Rigg, Birth Certificate Number 144 (12 June 1891), General Register Office, P.O. Box 2, Southport, Merseyside PR8 2JD, England.
- [S1087] Unknown cd1 household, 1911 England Census, Town of unknown cd2, Lancashire County as viewed on Findmypast.com.
- [S1093] Dora Rigg entry; Victorian Manifest of Passengers, 12 August 1922; (National Archives, Washington, D.C.: Immigration and Naturalization Service), RG 85 as viewed on Ancestry.com.
- [S1176] Unknown cd1, 1910 United States Federal Census, Marquette, Michigan, population schedule, Enumeration District 9ED) unknown cd3, sheet unknown cd4, National Archives micropublication T624_662, as viewed on Ancestry.com.
- [S1184] Unknown cd1, England & Wales, National Probate Calendar (Index of Wills & Administrations), 1858-1966 , Ancestry.com, Provo, Utah, United States. Hereinafter cited as England & Wales, National Probate Calendar, 1858-1966.