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Dictionary of Medieval Names
from European Sources

John-Anthony m. A compound of John and Anthony.

Compound names like this were common in Renaissance Italy.

Italy
Latin
1522x1532 Ioannes Antonius (nom) DSF p. 51, 9; 1527 Joannes Antonius (nom) Rome1527 p. 84, Joannis Antonij (gen) ibid. p. 89
Italian
1513x1521 Io. Antonio LeoX p. 16
Cite as: S.L. Uckelman. "John-Anthony". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 2. http://dmnes.org/2016/2/name/John-Anthony.