The origins of the bride's father paying for the wedding dates back to a time when daughters were something you had to pay someone to take off your hands.
The bride's father pays for:
Engagement announcement in newspaper.
Stationery, printing and postage expenses.
Bride's and bridesmaids' dresses and accessories.
Page boy outfit.
His own suit and bride's mother's outfit.
Cars other than for the groom and best man.
Bouquets for the bride and bridesmaids.
Flowers for church and reception
Buttonholes for participants and guests.
Photographer and/or videographer.
Wedding Cake.
Reception and all associated expenses.
Wedding Insurance.
Wedding present for his daughter and her new husband.
The groom's parents pay for:
The parents' meeting following the engagement announcement.
Their own outfits.
Wedding present for the newly-weds.
The bride pays for:
Hen party.
Groom's ring.
Something old, new, borrowed and blue.
Hairdresser and beautician on the day.
Her going-away outfit.
Present for groom.
The groom pays for:
Engagement ring.
Stag party.
Bride's wedding ring.
Hiring of his own, best man's and ushers' suits.
Transport for best man and himself to ceremony venue.
Civil or church ceremony fees and expenses.
Buttonholes for him, the best man, ushers and guests.
Presents for the bride, bridesmaids, pages, ushers and best man.
His going-away outfit.
Transport away from reception venue for himself and his new wife.