Mark O'Neill (b. 1963)
What is Mark O'Neill’s work worth?
As of 2 November 2026, OpeningBid has recorded 343 auction results for Mark O'Neill at 5 houses since 1999. Over the last 24 months the median price was $2,293 including buyer’s premium (middle half $1,735–$4,009, n=26). The auction record is $47,033 for Outside The Fuel Shed (2007, James Adam Salesrooms). Source: OpeningBid, an independent auction-results database.
| # | Work | Medium | Price | House | Sold |
|---|---|---|---|---|---|
| 1 | Outside The Fuel Shed | Oil on board | $47,033 | James Adam Salesrooms | Jun 2007 |
| 2 | Ted and the Kitchen Chair | Oil on board | $36,955 | James Adam Salesrooms | Jun 2007 |
| 3 | Dining Room White, Mougins, 2006 | Oil on board | $35,010 | James Adam Salesrooms | Dec 2007 |
| 4 | The Provencial Jugs and Oranges | Oil on board | $26,036 | James Adam Salesrooms | Jun 2007 |
| 5 | Above the Sales Ring | Oil on board | $21,837 | James Adam Salesrooms | Jun 2007 |
| 6 | Reservation Required, 2007 | Oil on board | $20,269 | James Adam Salesrooms | Dec 2007 |
| 7 | Ted | Oil on board | $19,317 | James Adam Salesrooms | Jun 2007 |
| 8 | Dolly Doodle | Oil on board | $16,798 | James Adam Salesrooms | Jun 2007 |
| 9 | Ted and Tina | Oil on board | $16,798 | James Adam Salesrooms | Jun 2007 |
| 10 | Venetian Blue | Oil on board | $16,798 | James Adam Salesrooms | Jun 2007 |
| Medium | Sales | Median |
|---|---|---|
| Paintings | 199 | $5,039 |
| Other | 17 | $4,909 |
| Size | Sales | Median |
|---|---|---|
| Medium (50-120 cm) | 94 | $7,727 |
| Small (under 50 cm) | 123 | $3,024 |
Data as of 2 November 2026 · Source: OpeningBid, 343 results from 5 houses · How we compute these figures
Mark O'Neill is an Irish artist with 536 auction lots recorded since 1999, median price $4,239. Some sold prices are hammer-only and exclude the buyer's premium; they are marked on this page.
A work by Mark O'Neill sold in 2026 for a hammer price of $6,256 (buyer's premium not included), according to OpeningBid's index of auction results.
See the full Mark O'Neill record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View Mark O'Neill on OpeningBid →What is a Mark O'Neill work worth?
Across 342 sold lots tracked by OpeningBid, the median price of a Mark O'Neill work is $4,239.
The median Mark O'Neill painting sells for $5,180 across 210 lots.
The median Mark O'Neill work on paper sells for $909 across 4 lots.
Small (under 50 cm) Mark O'Neill paintings typically sell for $1,737–$5,879 (the middle half of 121 sold lots).
Medium (50–120 cm) Mark O'Neill paintings typically sell for $4,972–$10,939 (the middle half of 88 sold lots).
Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.
Price breakdown by category
| Category | Lots tracked | Median price | Record price | Sell-through | Last sale |
|---|---|---|---|---|---|
| Paintings | 285 | $5,180†‡ | $246,715† | 73.7% | 2026-09-28 |
| Works on Paper | 5 | $909 | $995 | 80% | 2026-06-12 |
| Masterpieces (top of market) | 18 | $19,793† | $246,715† | — | 2018-05-30 |
† hammer price — buyer's premium not included. ‡ reported price — whether it includes the buyer's premium is not yet verified.
Price by size
Paintings
| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| small (under 50 cm) | 121 | $1,737–$5,879†‡ | $3,146†‡ | $309,372 |
| medium (50–120 cm) | 88 | $4,972–$10,939† | $8,075† | $47,033 |
† hammer price — buyer's premium not included. ‡ reported price — whether it includes the buyer's premium is not yet verified.
Size is the work's longest edge. Cells appear only with at least 5 sold lots.
Notable results
| Medium | Year | Price |
|---|---|---|
| Paintings | 2001 | $309,372 |
| Paintings | 2007 | $47,033 |
| Works on Paper | 2012 | $995 |
| Works on Paper | 2001 | $921 |
The highest recorded result in each medium. See the full sale history on OpeningBid.
Frequently asked questions
What is a Mark O'Neill worth?
Across 342 sold lots tracked by OpeningBid, the median price of a Mark O'Neill work is $4,239. The median Mark O'Neill painting sells for $5,180 across 210 lots. The median Mark O'Neill work on paper sells for $909 across 4 lots. Small (under 50 cm) Mark O'Neill paintings typically sell for $1,737–$5,879 (the middle half of 121 sold lots). Medium (50–120 cm) Mark O'Neill paintings typically sell for $4,972–$10,939 (the middle half of 88 sold lots). Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.
What is the average price of a Mark O'Neill painting?
Based on 210 sold lots tracked by OpeningBid, the median auction price of a Mark O'Neill painting is $5,180. Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.
What is Mark O'Neill's most expensive painting?
The highest price recorded at auction for a Mark O'Neill painting is $246,715. That record lot sold for a hammer price of $246,715 (buyer's premium not included).
What is the average price of a small Mark O'Neill painting?
Based on 121 sold lots, the median auction price of a small Mark O'Neill painting (small (under 50 cm)) is $3,146, according to OpeningBid's index of auction results. Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.
What is the average price of a medium Mark O'Neill painting?
Based on 88 sold lots, the median auction price of a medium Mark O'Neill painting (medium (50–120 cm)) is $8,075, according to OpeningBid's index of auction results. Some prices are hammer-only and exclude the buyer's premium.
What is Mark O'Neill's auction record?
Mark O'Neill's auction record is $246,715, set in 2001. That record lot sold for a hammer price of $246,715 (buyer's premium not included).
See the full Mark O'Neill record on OpeningBid — images, provenance, fair estimates and free sale alerts.
View Mark O'Neill on OpeningBid →