In the organization of the British army over the years, they formed Regiments. Some regiments were selected to guard the King/Queen and were called Guards. Units formed from local militia were Yeomanry units. The equivalent in the US is National Guard units.
Imperial Yeomanry was created in 1899.
Imperial Yeomanry ended in 1908.
Staffordshire Yeomanry was created in 1794.
Staffordshire Yeomanry ended in 1973.
Warwickshire Yeomanry was created in 1794.
Bedfordshire Yeomanry was created in 1797.
Leicestershire Yeomanry was created in 1794.
Lincolnshire Yeomanry was created in 1794.
Lincolnshire Yeomanry ended in 1920.
Lanarkshire Yeomanry was created in 1819.
Essex Yeomanry was created in 1797.
Norfolk Yeomanry was created in 1901.