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Nutrition Breakdown

O'Shay's Calories — Lowest to Highest

Browse calorie values for O'Shay's menu items, with official nutrition where available and estimated calories for uncovered items. Updated August 2026.

Coverage

100%

Average Calories

273 kcal

Lowest Item

20 kcal

Highest Item

540 kcal

47 / 47 items resolved USDA database: 28 Estimated: 19

Lowest Calorie Items at O'Shay's

Use this ranking to find lighter menu options quickly

Full menu →
# Item Category Source Calories
1 Side Salad side dishes USDA 20 kcal
2 Hot Toddie coffee drinks USDA 51 kcal
3 Galway Fish & Chips O'Shays Way hearty irish meals USDA 80 kcal
4 O'Shaypards Pie hearty irish meals USDA 81 kcal
5 Fragile Baby coffee drinks USDA 83 kcal
6 Irish Coffee coffee drinks USDA 83 kcal
7 Kahula & Coffee coffee drinks USDA 83 kcal
8 Gaelic Corned Beef & Cabbage hearty irish meals USDA 112 kcal
9 Irish Slinger burgers USDA 115 kcal
10 Cajun Chicken Sandwich sandwiches USDA 129 kcal
11 Bangers & Mash hearty irish meals USDA 145 kcal
12 Loaded Garlic Mash side dishes USDA 145 kcal
13 Roast Beef Sandwich late night menu: cold sandwiches USDA 156 kcal
14 Irish Breakfast All Day burgers USDA 172 kcal
15 Fries side dishes USDA 179 kcal
16 O'Shays Burger burgers USDA 200 kcal
17 Corned Beef Soft Tacos sandwiches USDA 206 kcal
18 Soup O'day appetizers Estimated 220 kcal
19 O'Shay's Castle Salad salads Estimated 225 kcal
20 Baileys & Coffee coffee drinks USDA 233 kcal
21 Twisted Almond coffee drinks USDA 233 kcal
22 Onion Rings side dishes USDA 235 kcal
23 Drunken Chicken Sandwich sandwiches USDA 236 kcal
24 Pan Fried Potatoes side dishes USDA 242 kcal
25 Corned Beef Sandwich late night menu: cold sandwiches USDA 274 kcal
26 The Kilkenny burgers USDA 307 kcal
27 Dessert of the Day dessert Estimated 380 kcal
28 Beer Bratwurst - Double Beer Bratwurst sandwiches Estimated 390 kcal
29 Beer Bratwurst - Single Beer Bratwurst sandwiches Estimated 390 kcal
30 Boxty side dishes Estimated 390 kcal
Nutrition sync is temporarily paused Missing official items: 19

Highest Calorie Items

Top calorie-dense picks based on current nutrition data

Caribbean Coffee

coffee drinks 540 kcal

Rumpy Coffee

coffee drinks 540 kcal

Nacho O'Shays

appetizers 488 kcal

McManus Brothers Burger

burgers 417 kcal

The Shroomy Shamus

burgers 392 kcal

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How Estimated Calories Are Calculated

When official nutrition is unavailable, calorie values are estimated using menu-item keywords and then adjusted by portion size. These values are directional for comparison, not medical nutrition advice.

  • Base estimate: item-name tokens (for example burger, fries, salad, pizza, shake) map to baseline calorie ranges.
  • Portion weighting: ounce and gram values adjust the estimate (about 8 oz = 1.0x, about 230 g = 1.0x), then the value is capped within a safe range.
  • Size modifiers: small/kids items apply a lower multiplier, while large/xl/family/double items apply a higher multiplier.
  • Final output: estimates are rounded to whole calories and shown as Estimated in the source column.

O'Shay's Calories — Frequently Asked Questions

Questions about calorie values, estimates, and nutrition coverage.

How many O'Shay's items have calorie data?
O'Shay's currently has calorie values for 47 of 47 menu items (100% coverage). We first use official nutrition sources when available, then apply estimation fallback for unresolved items.

What is the lowest-calorie item at O'Shay's?
The lightest item currently tracked is Side Salad at approximately 20 kcal. Use the ranked table to find other low-calorie meal choices.

Are O'Shay's calorie values official or estimated?
This page uses a hybrid model: 28 items use USDA database estimates, while 19 items are algorithmic estimates. Both are directional for comparison, not medical guidance.

Where can I compare calories and prices together?
Use the O'Shay's full menu prices page for price-focused browsing and the cheapest menu items page for budget picks. This calories page is built for nutrition-first filtering.

How to Use This Calories Page

Use this page to compare low-calorie and high-calorie items quickly before ordering. Official values are used where available, and estimated values fill the coverage gap for broad menu discovery.

Estimated values are directional and may vary by location, preparation style, and serving size. For strict dietary planning, cross-check with the official restaurant nutrition statement when available.