Question

Is it possible to add Latting to the list or related surnames for Lattin?

Answer 1

It's possible. Surnamedb.com has Lattin and variations. They don't mention Latting, but after the list of variations they say "and others."

They don't have anything on Latting if you try to look it up there.

Answer 2

https://www.ancestry.com/name-origin?surname=latting

Latting Family Origin

• Germany (6)
• England (5)
• Hamburg (1)

from the New York Passengers List

 

https://www.ancestry.com/name-origin?surname=lattin

Lattin Family Origin

• France (3)
• Germany (2)
• Italy (2)
• England (1)
• Ireland (1)
• Preussen (1)

from the New York Passengers List

Comments

https://www.ancestry.com/name-origin?surname=latting

If you click on ENGLAND & WALES there are some counties in England that have Lattings. 

 

https://www.ancestry.com/name-origin?surname=lattin

If you click on ENGLAND & WALES in the case of the Lattin surname, they seem to be more abundant than Lattings. 

 

Answer 3

Add the alternate spelling into the Other Names field of one of your profiles. This should do the trick, but it may not do it instantaneously. Some of the indexes that wikitree has are only updated once a week