Claimants
- Aashead
- Abbott
- Ackroyd
- Adams
- Adderley
- Aherne
- Alder
- Alexander
- Alford
- Allan
- Allard
- Allardyce
- Allen
- Allison
- Amsdorf
- Anaspie
- Anchincloss
- Anderson
- Andrews
- Annesley Walker
- Archdall
- Archer
- Archibald
- Ardilaun
- Aries
- Arkle
- Armit
- Armour
- Armstrong
- Arthur
- Arthurs
- Arundel
- Ashby
- Ashford
- Ashton
- Askin
- Atkin
- Atkins
- Atkinson
- Atteridge
- Audley
- Aukett
- Austin
- Ayres