help tracing a boxer and travel records

[B17_Fan]

yeah, strange though it's a henry and joseph thatcher travelling together

[a-l]

I don't think it was unusual to sail from Liverpool, my ancestors did the same.
They were from Cambs ,  journeys varied from Southampton and Liverpool with their travels at the same time frame as your family.

[chempat]

From National Museums Liverpool:

'Such were the numbers of emigrants, that it has been estimated that between 1830 and 1930 over nine million emigrants sailed from Liverpool bound for a new life in the US, Canada and Australia. For much of this period Liverpool was, by far, the most important port of departure for emigrants from Europe because, as well as its established transatlantic links, Liverpool was well placed to receive the many emigrants from the countries of north western Europe'