William Waterhouse had a "Black servant" residing with him in Kennebunk in 1860.

The 1860 Census for Kennebunk listed Philip Lynch as 20, Black, servant, place of birth: Boston. He was residing in the household of William L and Oreville A Waterhouse, with 3 children aged 9, 11 and 15. William was listed as 36, a farm laborer, born in Kennebunk.

The 1870 Census for Kennebunk listed Philip Lynch as 34, Black, a Seaman, place of birth: Mass., residing in the household of William L and Oreville A Waterhouse, with family members aged 19, 21 and 24. William was listed as 46, a farmer, born in Maine.

Bibliography:

1860 US Census for Kennebunk

1870 US Census for Kennebunk