- STPAT
- March honoree, for short
- Irish patron, for short
- Noted snake remover, for short
- Mar. 17 honoree
- Parade honoree, for short
- Honoree of Mar. parades
- Little green man?
- March 17th V.I.P.
- March figure, for short
- One invoked against snakes, for short
- Patron of binge drinking, briefly?
- Snake driver, for short
- Ireland icon, familiarly
- March man, briefly
- March honoree, familiarly
- March honoree
- Reek Sunday honoree, familiarly
- His tomb supposedly resides in Down Cathedral, informally
- Honoree of a day that's a legal holiday in Boston's Suffolk County, informally
- Big green man, casually
- His cross makes up part of the Union Jack, familiarly
- One often "honored" by getting drunk, informally
- Mar. honoree
- Ireland's patron, briefly
- March honoree, briefly
- March VIP
- Fifth Ave. parade honoree
- Ireland's patron, for short
- Mar. 17th figure
- March 17 honoree, briefly
- Patron of Ireland, familiarly
- Man celebrated on Mar. 17
- Mar. parade honoree
- Mar. 17th VIP
- VIP of a March march
- Green party patron?
- Ireland's snake-banisher, familiarly
- Mar. 17th honoree
- Irish hero, briefly
- Green party VIP
- March man, for short
- 3/17 dude
- Himself of March 17th
- March honoree, put shortly
- March parade honoree, for short
- (PuzzlebyC.Ott) March honoree, for short
- Irish patron, briefly
- Fifth century patron
- Parade honoree, briefly
- Theme of this puzzle (hidden in four other answers)
- Irish hero, for short
- Parade VIP
- Green land patron, for short
- He rid Ire. of snakes, as the legend goes
- Annual parade celeb
- Mar. parade celeb
- March march VIP
- Ireland patron, for short
- Mar. parade VIP
- Mar. 17 figure
- Annual parade VIP
- Fifth-century bishop in Ireland, familiarly
- Mid-Mar. honoree
- March parade VIP
- Fifth-century bishop in Ire.
- Irish icon, informally
- Toastee in some pubs
- Apostle of Ireland, for short
- Mid-Mar. figure
- 3/17 honoree
- 3/17 honoree, for short
- Parade honoree
- Mar. 17 celebrity
- Mar. VIP
- March 17 honoree, for short
- Mar. 17 man
- March 17 honoree
- March 17th honoree, for short
- Mid-March VIP
- Folkloric banisher of the sea monster Caoránach
- Internal theme of the puzzle
- Colloquially, Ireland's patron.
- Annual parade honoree, for short
- Honoree of a March march, for short
- Honoree near the end of winter, briefly
- Winter parade honoree, for short
- Great name in Ireland: Colloq.
- Name for March 17th.
- March figure.
- Name venerated in Dublin, familiarly
- March honoree (with an aptly numbered clue)
- March 17 celeb
- Annual parade honoree, briefly
- Hist. figure with a holiday named after him
- Mar. 17 figure, from 58-Across
- Parade honoree, in brief
- Parade honoree, familiarly
- Eponym of an N.Y.C. cathedral
- The Apostle of Ireland, familiarly
- Time-honored Irish cleric, for short
- Green dresser's honoree, briefly
- Green figure, briefly
- Parade figure, informally
- Apostle of Ire.
- Annual winter honoree, briefly
- One prompting people to go green, for short?
- Mar. figure
- Green party honoree, briefly?
- Irish icon, for short
- Patron of the Archdiocese of New York, briefly
- Annual parade honoree, familiarly
- Legendary snake exterminator, for short
- March 17 honoree, informally
- Green party figure, for short?
- Patron figure of getting hammered at 9:00 a.m., for short
- Apostle of Ireland, familiarly
- Honoree of some 3/17 green beer toasts
- March man
- March 17th honoree, informally
- March honoree, in short
- 3/17 VIP
- 3/17 honoree, briefly
- VIP often toasted with green beer
- Irish VIP who banished snakes
- March 17 VIP
- Patron of a March celebration, informally
- Irish patron in brief
- March VIP, briefly
- March figure, familiarly
- Patron of Ireland, briefly
- March parade VIP, for short
- Saturday's honoree, briefly
- Honoree of March parades
- March 17 honoree, as well as this puzzle's honoree
- March 17 honoree, familiarly
- Patron toasted with green beer
- Celeb on a green day
- Namesake of a Fifth Ave. cathedral