Causantín mac Fergusa
King of Picts · Historical Figures · Lived 701 to 820 · aged 119
Causantín mac Fergusa is read about 61 times a day, in 12 languages.
A typical day, 30 days to 15 June 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
Something wrong?Causantín or Constantín mac Fergusa (789-820) was king of the Picts, in modern Scotland, from 789 until 820. He was until the Victorian era sometimes counted as Constantine I of Scotland; the title is now generally given to Causantín mac Cináeda.
Photos 3
![Dupplin Cross, now in St Serf's Church, Dunning, on which Causantín mac Fergusa is commemorated as Custantin filius Fircus[sa]](https://upload.wikimedia.org/wikipedia/commons/thumb/4/44/Dupplin_Cross%2C_St_Serfs_Church.jpg/330px-Dupplin_Cross%2C_St_Serfs_Church.jpg)
Dupplin Cross, now in St Serf's Church, Dunning, on which Causantín mac Fergusa is commemorated as Custantin filius Fircus[sa]
Great Britain during the reign of Causantín mac Fergusa (A.D. 802); Pictland is green
Martyrology of Tallaght (University College Dublin Ms. A3) from the Book of Leinster, c. 1180Family
Is this everyone?
Only relatives with a profile here are drawn, so a family can be larger than this. A line here can also be wrong.
Correct this familyAbout this person
Causantín or Constantín mac Fergusa (789-820) was king of the Picts, in modern Scotland, from 789 until 820. He was until the Victorian era sometimes counted as Constantine I of Scotland; the title is now generally given to Causantín mac Cináeda. He is credited with having founded the church at Dunkeld which later received relics of St Columba from Iona.
Historical Figures born in the 700s 6
Fame.am measures public visibility signals. It does not measure human value, talent, morality, or credibility.