Although not mentioned in the Domesday Book, the land of the present day village was recorded as being granted to the Abbey of St Werburgh by Hugh Lupus in 1093.

They removed the brick base first, resulting in the whole structure becoming dangerously unsafe and crashing to the ground, narrowly avoiding injury or loss of life.

The higher prominence of Thurstaston Hill is at 90 metres (300 ft) above sea level, 1 kilometre (1,100 yd) to the west.

Meanwhile, Irby is bounded to the north, east and south by part of the field drainage which forms Arrowe Brook.

Irby has a temperate maritime climate (Köppen: Cfb), similar to much of the rest of the United Kingdom.

The nearest official weather station, as the crow flies, is at Hall Road in Crosby,[18] which is about 10.4 miles (16.7 km) to the north.

Despite the typically suburban character of most of its neighbourhoods, Irby is surrounded on all sides by a large amount of green belt and woodland.

Historically within the county of Cheshire, Irby was formerly a township in the Thurstaston and Woodchurch parishes[22] of the Wirral Hundred.

[24] Further changes occurred on 1 April 1974, when local government reorganisation resulted in most of Wirral, including Irby, transfer from Cheshire to the newly formed metropolitan county of Merseyside.

Irby's small shopping area has a Morrisons local convenience store, which includes a branch of the Post Office.

Arrowe Park Hospital is about a mile from the centre of the village, and includes an Accident and Emergency department.

[30] Irby has a village hall, situated on Thingwall Road, which hosted a performance by The Beatles on 7 September 1962.

[35] Irby Library is on Thurstaston Road and was built in the late 1960s on the site of the 18th century Manor Farm.

[36][37] The Anchor Inn is one of the oldest buildings in Irby,[38] and, according to an entry in the BBC Domesday Project, was built as a cottage in the 17th century.

[10][41] Arrowe Park is approximately 1 mile (1.6 km) east of the village, and Thurstaston Common is a few hundred metres to the west.

Irby has a cricket club situated on Mill Hill Road, which was established in 1948 and promoted to the Cheshire County League in 2001.

In earlier years Irby North End, playing at Seaview, enjoyed some success in the national John White League from 1972 to 1977.

From Irby, accessing the station is difficult via other public transport, and it is approximately a 45-minute walk away and offers only hourly services.

Alternatively, buses may be used exclusively or to travel to West Kirby station, which is on the Wirral line of the high-frequency Merseyrail network.