As others have said, the question about what other people have as family income is completely irrelevant here.
What you need to look at is where on earth all your money is going.
Each month, I'm guessing a £60K salary must bring best part of £3k into the bank account ??? (don't know, I'e never earned that sort of money)
Your mortgage is £550
SO you need to go through all your other bills...Council tax; water; elec / gas (or oil); broadband; mobile phones; insurances (life, buildings, contents, pets, income protection, maybe mobile phone, car) any TV packages you have.
Remember to include things that might seem 'little' amounts - Netflix / Amazon Prime etc
Then transport - train tickets or car costs - factor in depreciation and MOTs and replacing tyres or wipers occasionally and bigger repair bils if you have older cars. Car Tax. Insurance
Remember then to think about annual costs and divide them by 12. Include things like spending on Christmas presents and Birthday presents.
Then your supermarket shop
Your 'things you have to buy or spend on now and then' (replacing shoes or underwear or getting a haircut)
Then the 'things you like to treat yourself with' - be that subscriptions or memberships, or getting fancy hairdos or nails done or buying coffees out or getting yourselves takeaways or bottles of wine or whatever. Everyone need some treats in their life.
Then you have an "outgoings" column
You then need to think about holidays. About longer term savings - at some point you'll need to replace the boiler or the carpet or the fridge or the car or your Winter coat or you might want to move somewhere bigger.
Separately, think about what you want to do.
You've worked for a qualification. You are fortunate in that you can probably opt to work part time - keep your hand in, get some adult company two or three days a week.
You might prefer to keep working full time. Being at home all day long with a baby isn't for everyone.
You might prefer to stay at home - think about the long term implications of that in terms of your qualification and in terms of your pension, not just in terms of the next two years.