Globally, Shailo (Shailo 
) is quite a common primarily feminine, but very seldom boy's given name. The forename Shailo is characteristic of Southern Asia, particularly India, where it is a rare principally feminine, but very seldom masculine name.
Kar, Oraon, Weiss, Yadav, Mandal, Mahato, Santar, Sharma, Edevi, Barman, Kunwar, Kumari, Prasad, Premji, Harijan, Spinella, Eggleston, Khatun, Novak, Lopez, Ghosh, Ram, Ray, Rao, Roy, Das, Jha, Bala, Raut, Rose, Devi, Debi, Dyee, Malik, Singh, Silva, Croft, Doyle, Verstuyft, and Rasanayakam