February 1, 1848, Grund, Eyjafjörður, Iceland.
May 3, 1930, Stóri-Núpur, Iceland.
Valdimar was the son of Ólafur Briem and Dómhildur Þorsteinsdóttir.
He attended the Theological Seminary in Reykjavik, was ordained in 1873, and in 1880 became pastor of the Stóri-Núpur parish, where he served for three decades. In 1909, he became vice-bishop of Skálholt.
The 1886 Icelandic hymnal has 102 original hymns by Briem, and 39 of his translations.