However, since the rhyme refers to bells in the City of London and St Martins-in-the-Fields is in the City of Westminster, the line more likely refers to St Martin Orgar, near Cannon Street, which no longer exists.
Swan Lake | Black Swan | Swan Hill | Whooper Swan | Swan River | Swan | Jingle Bells | Swan River (Western Australia) | Swan River Colony | Tubular Bells | Swan Racing | Chrissie Swan | Broken Bells | bells | Swan Goose | Swan Districts Football Club | swan | Nautor's Swan | Mute Swan | Wayne Swan | Trevor Swan | The Bells of St. Mary's | The Bells of Rhymney | Swan River Honeyeater | Joseph Swan | John Swan | I Heard the Bells on Christmas Day | Daniel C. Swan | Black Swan (film) | Tubular Bells II |