Sigi as a child had to leave her home in Freiburg in Germany during World War II and left all her toys. Since she came to Ireland she has collected shoeboxes, filling them with little toys and bits and pieces and wrapping them for children in need all over the world.
You can read her story in the Limerick Leader here.
Celine Byrne is one of Ireland's most renowned opera singers. She is playing Mother Abbess in The Sound of Music at the Bord Gais Energy Theatre in December and came into studio to have a chat with Ryan.
Kathy McKeon was 19 when she arrived in the United States in 1964. She spent the next 13 years working as Personal Assistant to Jackie Kennedy and developed a lasting friendship with her. She has just written a book about her life called Jackie's Girl