Francium is a radioactive metal which is present in the total amount of 15g in the top 1 kilometer of the Earths mantle. It was named after France. Group IIA - Beryllium was discovered and named in 1798 following the observation by Hauy that Beryl and Emerald were similar. Beryllium wasn't actually isolated until 1828. Magnesium derived it's name from its presence in soapstone mined from the Magnesia district of Thessally.
Calcium is from the Latin, calx , for lime.
The names were coined by Davey in 1808. Strontium was first noted as a component in a mineral isolated from a lead mine in Strontian, Scotland whereas Barium is derived from barium sulfate known as heavy spar and named from the Greek baryta , for heavy. Radium, of course derives its name from it's radioactive properties as noted by Curie. Group IIIA - Boron has been used since antiquity to make glazes and hard glasses. Aluminum is derived from alum which was used as an astringent in ancient Greece and Rome and is from the Latin alumen , meaning bitter.