How can I set up my icloud email account on my husband’s iPad?

Hello Charkbytes55,

Welcome to Apple Support Communities!

We can help you get the email account added to the iPad. You'll want to use these steps to add the account:

"How to set up your email account automatically

If you use an email provider like iCloud, Google, or Yahoo, Mail can automatically set up your email account with just your email address and password. Here's how:

1. Go to Settings > Mail, then tap Accounts.
2. Tap Add Account, then select your email provider.
3. Enter your email address and password.
4. If you see Next, tap Next and wait for Mail to verify your account.
5. If you see Save, tap Save.

If you don't see your email provider, tap Other to add your account manually."

This Apple Support page has the full details: Add an email account to your iPhone, iPad, or iPod touch - Apple Support

This should help you to access your iCloud email from his device by adding the account.

Please let us know if you have further questions.

Cheers!