Photo Mary Ann Wall (nee Finch) – also known as Polly 1877–1947 ← Previous photoAnn Elizabeth Ayres, born in Helmdon in 1857. She married Timothy Mayor and they had 5…4 of 274Next photo →The Helmdon Cabin… the signal box for the Great Central line Mary Ann Wall (nee Finch) – also known as Polly. Mary Ann was born in Helmdon on 10th April 1877 and died about 1947. More photos Mary Wall TopicsPicture gallery: People ← Previous photoAnn Elizabeth Ayres, born in Helmdon in 1857. She married Timothy Mayor and they had 5…4 of 274Next photo →The Helmdon Cabin… the signal box for the Great Central line