David Mahaffey was born in Altoona, Pennsylvania
in 1952. In 1973, he married the former Karen Meterko with whom he had four children. In 1975, David was received into the Orthodox Christian faith.
He was [[ ordination|ordained]] a [[ deacon]] in 1981 and served at various [[parish]]es of the [[ Diocese of Western Pennsylvania (OCA)|Diocese of Pittsburgh and Western Pennsylvania ]]. He was ordained a [[priest]] in 1993 and was assigned as rector of the Church of St. Michael in Old Forge, Pennsylvania, serving until 2006, when he was transferred to the pastorate of Holy Trinity Church in Pottstown, Pennsylvania.
Fr. David served as a graduate assistant in the Theology Department of the University of Scranton, adjunct lecturer at St. Tikhon’s Seminary, and adjunct lecturer in theology and philosophy at the Melrose Park Campus of Alvernia University in Philadelphia, Pennsylvania. He also has served in a wide variety of capacities in the [[Diocese of Eastern Pennsylvania (OCA)|Diocese of Philadelphia and Eastern Pennsylvania]], including [[dean]] of the Philadelphia Deanery.
1997, he received a Master of Divinity degree from [[St. Tikhon's Orthodox Theological Seminary |St. Tikhon’s Seminary]] in South Canaan, Pennsylvania.
In 2003, he graduated from the University of Scranton with Bachelors degrees in Theology and Philosophy. In 2005, he also received his Master of Arts degree in
theology from the University of Scranton.
In 2007, Fr. David's wife Karen fell asleep in the Lord.<ref>[http://doepa.org/news_070809_1.html] In Memoriam: Matushka Karen Mahaffey</ref> In 2009, he was assigned rector of St. Nicholas Church in Bethlehem, Pennsylvania.
On [[September 15]] 2012 he was nominated by the delegates to the Assembly of the [[Diocese of Alaska (OCA)|Diocese of Alaska]] as the candidate for election as Bishop of Sitka and Alaska by the [[Holy Synod]].
On October 9-11, 2012 the Holy Synod of OCA accepted Archbishop [[Benjamin (Peterson) of San Francisco|Benjamin’s]] presentation of Hieromonk David (Mahaffey) as the nominee for the Episcopal See of Alaska<ref>[http://oca.org/news/headline-news/holy-synod-of-bishops-concludes-fall-session Holy Synod of Bishops concludes fall session]</ref>. On Friday, February 21, 2014, Hieromonk David was consecrated Bishop of Alaska during a Hierarchical Liturgy by [[Metropolitan]] [[Tikhon (Mollard) of Washington]], Archbishop Benjamin, Bishop [[Michael (Dahulich) of New York]], Bishop [[Irineu (Duvlea) of Dearborn Heights]], and Bishop [[Irénée (Rochon) of Quebec City]] at St Innocent Cathedral in Anchorage, Alaska. Co-serving the bishops were [[Chancery office of the Orthodox Church in America|Chancellor for the Orthodox Church in America]] [[Archpriest]] [[John A. Jillions]], [[Chancellor]] of the Diocese of Alaska Archpriest Victor Nick, and 40 other priests from around the diocese. A banquet was held in his honor that evening at the University of Alaska’s Lucy Cuddy Center in Anchorage<ref>[http://oca.org/news/headline-news/banquet-honoring-bishop-david-held-at-university Banquet honoring Bishop David held at University]</ref>.
* [http://oca.org/news/headline-news/diocese-of-alaska-nominates-archprist-david-mahaffey-to-vacant-see-of-sitka Diocese of Alaska nominates Archpriest David Mahaffey to vacant See of Sitka and Alaska]
* [http://www.stnicholasoca.org/administration.html Hieromonk S. David Mahaffey, Jr. - Hieromonk]
*[http://oca.org/news/headline-news/the-episcopal-consecration-of-bishop-david-of-sitka-and-alaska The Episcopal Consecration of Bishop David of Sitka and Alaska]