1969: Laura Valenzuela

Laura "Laurita" Valenzuela (born Rocío Espinosa on 18 February 1931, in Seville, Andalusia, Spain) is a Spanish television presenter of the 1950s and 1960s.
Before becoming known in Europe for hosting 1969 edition of the Eurovision Song Contest, she was a model and appeared in many publications around the world. She was one of the first faces that Spain saw on television Televisión Española made its debut in 1956.
Valenzuela has also acted in many films since the early 1950s up through the late 1960s. In 1971, when she married film director José Luis Dibildos and had her daughter, also presenter Lara Dibildos, she retired from public life, until she returned to TV in 1991 in the private channel Telecinco. Later on, she returned to TVE. She retired again in the 2000s when she started her fight against breast cancer. She is now healed but still remains retired, apart from occasional collaborations or interviews.

From: http://en.wikipedia.org/wiki/Laurita_Valenzuela

During the first and so far last ESC in Spain in 1969.

1967: Erika Vaal

(no wikipage about Erika Vaal)

Erika at the start of the 1967 transmission.

1966: Josiane Shen

(no wikipage of Josiane Shen)

During the transmission of 1966.

1965: Renata Mauro

Renata Mauro (May 17, 1934 in Milan - March 28, 2009 in Biella) was a popular television presenter for RAI (Italian state broadcaster). She became known to international audiences for hosting Jeux Sans Frontieres and also the Eurovision Song Contest when it was staged in Naples in 1965.

From: http://en.wikipedia.org/wiki/Renata_Mauro

(pictures from the 1965 contest)

1964: Lotte Wæver

(no wikipage of Lotte Wæver)

1962: Mireille Delannoy

(no wikipage of Mrs Delannoy)

In 1962.

1960, 1963, 1968 and 1974: Katie Boyle

Katie Boyle (born 29 May 1926) is an Italian-born British actress, television personality, and game show panelist, well-known for appearing on TV panel games such as What's My Line? and for presenting the Eurovision Song Contest in the 1960s and 1970s.

She was born in Florence, Italy as Caterina Irene Elena Maria Imperiali di Francavilla, the daughter of an Italian marquis, the Marchese Demetrio Imperiali di Francavilla and Dorothy Kate Ramsden. She came to Great Britain in 1946 and started her modelling career, which included such publications as Vogue. Catherine also appeared in several 1950s films, the first being Old Mother Riley, Headmistress, (1950) in which she was billed as 'Catherine Carleton' followed by The House in the Square (1951), Not Wanted on Voyage (1957), The Truth About Women, Intent to Kill (with Richard Todd, and miscredited as 'Catherine Boyl') in Les Carnets de Major Thompson/The Diary of Major Thompson (1955), with Jack Buchanan, filmed in France by American film director Preston Sturges.
In the 1960s she became a television personality regularly appearing on panel games and programmes such as What's My Line? and Juke Box Jury. Katie was the presenter for the 1960, 1963, 1968 and 1974 Eurovision Song Contests, all hosted in England. According to author and historian John Kennedy O'Connor's The Eurovision Song Contest - The Official History, Boyle hosted the 1974 contest minus her underwear, which was cut off from under her satin dress moments before the broadcast began.^[2] She also hosted the UK qualifying heat, A Song for Europe, in 1961.
In 1982 she played herself in the BBC radio play The Competition, which told the story of a fictitious international song contest being staged in Bridlington. Katie Boyle was guest of honour at the Eurovision fan club conventions staged in 1988 and 1992.
She appeared at the 1998 Eurovision Song Contest held in Birmingham as a special guest of the BBC. Her other work has included theatre, television (What's Up Dog?) and radio (Katie and Friends). In 2004, Katie was a guest on a special 'Eurovision' themed celebrity version of The Weakest Link on BBC1, hosted by Anne Robinson. In a unique moment, Katie became the first, and to date the only, contestant ever to vote herself off of the programme.
In 1947 she married Richard Bentinck Boyle, 9th Earl of Shannon; the marriage was dissolved in 1955. The same year she married Greville Baylis, a racehorse owner who died in 1976. In 1979 she married theatre impresario Sir Peter Saunders, who died in 2002. According to "Queen Elizabeth II: A Woman Who Is Not Amused" by Nicholas Davies, Boyle had a long standing relationship with Prince Philip in the 1950's.^[3]
She is also an avid lover of animals, dogs being special to her. She sits on the board of Battersea Dogs Home and is Patron of the Italian Greyhound Rescue Charity. At home, just off East Finchley's prestigious Bishop's Avenue, she has two dogs: Cassie (a Collie cross) and Totty (an Italian Greyhound), both of which came from Battersea. In 1989 she recorded an audio cassette with the dog trainer John Fisher entitled Think Dog!

From: http://en.wikipedia.org/wiki/Katie_Boyle

Katie at 1960s contest.

During the voting in 1963.

1968's transmission.

At the ESC of 1974.

1959 and 1961: Jacqueline Joubert

Jacqueline Joubert (born Jacqueline Annette Édith Pierre, 29 March 1921 - 8 January 2005) was a French television continuity announcer, producer and director.
Alongside Arlette Accart, Joubert was one of the first two in-vision continuity announcers (or speakerines) when television commenced in France after the Second World War. She was married to the journalist George de Caunes between 1953 & 1960, was the mother of Canal+ TV star Antoine de Caunes, and the grandmother of the actress Emma de Caunes. She had also been the wife of Philippe Lagier.
Alongside continuity duties, she also presented the 1959 and 1961 Eurovision Song Contests from Cannes.
She began to produce and direct entertainment shows in 1966 before switching to producing children's programming for Antenne 2 between 1970 and 1980 - in the process, devising the popular magazine show Récré A2 and launching the television career of singer and actress Dorothée.
She died in Neuilly-sur-Seine, France in 2005, aged 83.

During the ESC of 1959.

During 1961's ESC. 

From: http://en.wikipedia.org/wiki/Jacqueline_Joubert

Presenters '50s and '60s

1956 Lohengrin Filipello (Switzerland)
1957 Anaïd Iplicjian (Germany)
1958 Hannie Lips (The Netherlands)
1959 Jacqueline Joubert (France)

1960 Katie Boyle (UK)
1961 Jacqueline Joubert (France)
1962 Mireille Delannoy (Luxembourg)
1963 Katie Boyle (UK)
1964 Lotte Wæver (Denmark)
1965 Renata Mauro (Italy)
1966 Josiane Shen (Luxembourg)
1967 Erika Vaal (Austria)
1968 Katie Boyle (UK)
1969 Laurita Valenzuela (Spain)