--- 
- ata
- atack
- ataide
- atala
- atalla
- atallah
- atamanczyk
- atamian
- atanacio
- atanasio
- atanasoff
- atanassov
- atangan
- atassi
- atay
- ataya
- atayde
- atcher
- atcherson
- atcheson
- atchinson
- atchison
- atchity
- atchley
- atchue
- atcitty
- atehortua
- atempa
- aten
- atencio
- atenco
- atene
- atengco
- ater
- ates
- ath
- atha
- athalone
- athan
- athanas
- athanasiadis
- athanasiou
- athanasopoulos
- athans
- athar
- athas
- athay
- athayde
- athearn
- athen
- athens
- ather
- atherholt
- atherley
- atherly
- atherton
- athey
- athman
- athmann
- athmer
- athon
- athwal
- athy
- atia
- atieh
- atienza
- atienzo
- atik
- atilano
- atiles
- atis
- atiya
- atiyeh
- atkerson
- atkeson
- atkin
- atkins
- atkinson
- atkison
- atkisson
- atlas
- atlee
- atleh
- atler
- atley
- atluri
- atma
- atmore
- atnip
- atoe
- atoigue
- aton
- atondo
- ator
- atri
- atria
- atrian
- atta
- attakai
- attal
- attalla
- attallah
- attanasio
- attar
- attard
- attardi
- attardo
- attarian
- attaway
- attaya
- attea
- atteberry
- attebery
- atteburg
- attebury
- attema
- attenberger
- attenborough
- atter
- atterberry
- atterbury
- atterholt
- atterson
- atterton
- atthowe
- atti
- attia
- attianese
- attias
- attie
- attig
- attilio
- attinello
- attinger
- attisha
- attix
- attkisson
- attles
- attleson
- atto
- attoe
- atton
- attridge
- attwell
- attwood
- atty
- atuatasi
- atwal
- atwater
- atwell
- atwill
- atwood
- atz
- atzert
- atzhorn
- atzinger