According to the letter of Alexander Galloway to Richard Hodgson in Paris 24.12.1801 (Nat Arch PC 1/3535 "Ben Binns is married to my old sweetheart Charlotte Tallboys, I am sorry to say they are much distressed". I found no record of this marriage. According to the Dictionary of Irish Biography entry for John Binns, his brother Benjamin returned to Ireland about 1803 and was a plumber at Bray, co. Wicklow, then joined his brother in Philadelphia about 1817.
So who was Charlotte Tallboys? Galloway was born in London. There was a Charlotte Ann Tallboys born 9.5.1779 and bapt 29.7.1779 at Tetbury, Glos dau of Thomas & Henrietta but the Tetbury Tallboys were relatively prosperous and even gentlemanly. The only Charlotte Tallboys I found in London died at 1½ years old but it's possible a sister of hers 'took over' her name. They were children of James Tallboys, hairdresser who married at St Bride 24.4.1763 Margaret Alexander (bach & sp, botp, banns). Their children James born 1764, kept cold bath in Strand Lane, died 1815, Martha born 1766 died 1787 of consumption, Ann Elizabeth born 1768. Gazetteer 14.10.1769 house of Mr Talboy haircutter in Star Court, Butcher Row burnt down. Talboys ratebooks St Clement Danes £29 Strand 1767 to 1803. More children Harriet Sophia born 1770, William born 1771 died 1772, William born 1773 died 1775 of smallpox, Clarissa born 1775 died 1791 of consumption, Thomas born 1777 died 1832, Henry William born 1780 died 1786 of consumption, Samuel born 1781 died 1783, Samuel born 1784 died 1785, Charlotte Sophia born 1788 died 1789. In 1773 at the Old Bailey James and Margaret Talboys prosecuted a lodger for theft (hiding their possessions under her bed), and in 1779 at the Old Bailey they were witnesses in a case against a lodger of theirs who was sentenced to death for forgery. In 1781 at the Old Bailey James Talboys was a witness in the trial of William Ballard hatter of 302 Strand whose hair he dressed and who was acquitted of setting fire to his own house. James Tallboys peruke maker of Strand voted Percy 1774, of Strand voted Lincoln 1780, victualler of Strand voted Hood 1788. From 1784 till his death aged 61 in 1803 James Talboys was a beadle or constable of St Clement Danes parish. His four storey house was no. 269 Strand opposite Arundel St, his wife Margaret died in 1818 aged 73, all baptisms and burials above at St Clement Danes. Other Tallboys in London at the time were William Talboys painter Water St, St Clement Danes voted Townshend 1788, SunFire 1789 chandler 5 Water St, shopkeeper Water St voted Fox 1790. Sarah Talboys buried St Clement Danes 26.11.1813 age 61 from the Almshouses. Abraham Tallboys coffeeman of Fulwoods Rents Holborn stood bail 1772, will PCC 1798 victualler of Bermondsey mentioned wife Elizabeth but no children. Esther Talboy singlewoman removed 1790 Clapham to St Michael, Crooked Lane