m On our way home. Should be there about 830 lin n jeff
from a 312 phone number, Saturday, July 16, 7:28 PM EST

m We r home finally thx for watching lacy will catch up w u tomorrow lin n jeff
from a 312 phone number, Saturday, July 16, 11:42 PM EST

So I think that Lin and Jeff are a couple, and Lacy is a dog, and Leila was watching her while Lin and Jeff were on vacation. Option B: Lacy is a cat.