see Poland Street number not known in London Addresses dataset
Daily Advertiser 7.2.1778 John Brickland journeyman carpenter age 28 of Little Poland St deserted wife and family ad for his whereabouts by St Geo Han Sq workhouse / John Brickland = St Martin i t Fields 31.5.1778 Mary Wilson botp banns wits Thos & Jane Camm / John son of John & Mary Brickland born about 22.11.1778 bapt 3.12.1778 Lying In Hospital / Ann dau of John & Mary Brickland (from Workhouse) born 8.11.1779 bapt 28.11.1779 St Bride / John Brickland age 1 yr of Christchurch Newgate bur 26.3.1780 at Spa Fields / Carpenters Company Thomas Brickland carpenter of Holly St Clare Market 1770 / note the desertion above was dated before the marriage. I'm not sure what Little and Great Poland St referred to